    // Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Zig --internal-static --public-function-case camelCase --private-function-case camelCase --public-type-case UpperCamelCase --private-type-case UpperCamelCase --no-prefix-fiat --package-name p384_scalar '' 64 '2^384 - 1388124618062372383947042015309946732620727252194336364173' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp

    // curve description (via package name): p384_scalar

    // machine_wordsize = 64 (from "64")

    // requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp

    // m = 0xffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973 (from "2^384 - 1388124618062372383947042015309946732620727252194336364173")

    //

    // NOTE: In addition to the bounds specified above each function, all

    //   functions synthesized for this Montgomery arithmetic require the

    //   input to be strictly less than the prime modulus (m), and also

    //   require the input to be in the unique saturated representation.

    //   All functions also ensure that these two properties are true of

    //   return values.

    //

    // Computed values:

    //   eval z = z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) + (z[4] << 256) + (z[5] << 0x140)

    //   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248) + (z[32] << 256) + (z[33] << 0x108) + (z[34] << 0x110) + (z[35] << 0x118) + (z[36] << 0x120) + (z[37] << 0x128) + (z[38] << 0x130) + (z[39] << 0x138) + (z[40] << 0x140) + (z[41] << 0x148) + (z[42] << 0x150) + (z[43] << 0x158) + (z[44] << 0x160) + (z[45] << 0x168) + (z[46] << 0x170) + (z[47] << 0x178)

    //   twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) + (z[4] << 256) + (z[5] << 0x140) in

    //                            if x1 & (2^384-1) < 2^383 then x1 & (2^384-1) else (x1 & (2^384-1)) - 2^384

    const std = @import("std");
    const mode = @import("builtin").mode; // Checked arithmetic is disabled in non-debug modes to avoid side channels

    // The type MontgomeryDomainFieldElement is a field element in the Montgomery domain.

    // Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]

    pub const MontgomeryDomainFieldElement = [6]u64;

    // The type NonMontgomeryDomainFieldElement is a field element NOT in the Montgomery domain.

    // Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]

    pub const NonMontgomeryDomainFieldElement = [6]u64;

    /// The function addcarryxU64 is an addition with carry.
    ///
    /// Postconditions:
    ///   out1 = (arg1 + arg2 + arg3) mod 2^64
    ///   out2 = ⌊(arg1 + arg2 + arg3) / 2^64⌋
    ///
    /// Input Bounds:
    ///   arg1: [0x0 ~> 0x1]
    ///   arg2: [0x0 ~> 0xffffffffffffffff]
    ///   arg3: [0x0 ~> 0xffffffffffffffff]
    /// Output Bounds:
    ///   out1: [0x0 ~> 0xffffffffffffffff]
    ///   out2: [0x0 ~> 0x1]
    inline fn addcarryxU64(out1: *u64, out2: *u1, arg1: u1, arg2: u64, arg3: u64) void {
        @setRuntimeSafety(mode == .Debug);

        const ov1 = @addWithOverflow(arg2, arg3);
        const ov2 = @addWithOverflow(ov1[0], arg1);
        out1.* = ov2[0];
        out2.* = ov1[1] | ov2[1];
    }

    /// The function subborrowxU64 is a subtraction with borrow.
    ///
    /// Postconditions:
    ///   out1 = (-arg1 + arg2 + -arg3) mod 2^64
    ///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^64⌋
    ///
    /// Input Bounds:
    ///   arg1: [0x0 ~> 0x1]
    ///   arg2: [0x0 ~> 0xffffffffffffffff]
    ///   arg3: [0x0 ~> 0xffffffffffffffff]
    /// Output Bounds:
    ///   out1: [0x0 ~> 0xffffffffffffffff]
    ///   out2: [0x0 ~> 0x1]
    inline fn subborrowxU64(out1: *u64, out2: *u1, arg1: u1, arg2: u64, arg3: u64) void {
        @setRuntimeSafety(mode == .Debug);

        const ov1 = @subWithOverflow(arg2, arg3);
        const ov2 = @subWithOverflow(ov1[0], arg1);
        out1.* = ov2[0];
        out2.* = ov1[1] | ov2[1];
    }

    /// The function mulxU64 is a multiplication, returning the full double-width result.
    ///
    /// Postconditions:
    ///   out1 = (arg1 * arg2) mod 2^64
    ///   out2 = ⌊arg1 * arg2 / 2^64⌋
    ///
    /// Input Bounds:
    ///   arg1: [0x0 ~> 0xffffffffffffffff]
    ///   arg2: [0x0 ~> 0xffffffffffffffff]
    /// Output Bounds:
    ///   out1: [0x0 ~> 0xffffffffffffffff]
    ///   out2: [0x0 ~> 0xffffffffffffffff]
    inline fn mulxU64(out1: *u64, out2: *u64, arg1: u64, arg2: u64) void {
        @setRuntimeSafety(mode == .Debug);

        const x = @as(u128, arg1) * @as(u128, arg2);
        out1.* = @as(u64, @truncate(x));
        out2.* = @as(u64, @truncate(x >> 64));
    }

    /// The function cmovznzU64 is a single-word conditional move.
    ///
    /// Postconditions:
    ///   out1 = (if arg1 = 0 then arg2 else arg3)
    ///
    /// Input Bounds:
    ///   arg1: [0x0 ~> 0x1]
    ///   arg2: [0x0 ~> 0xffffffffffffffff]
    ///   arg3: [0x0 ~> 0xffffffffffffffff]
    /// Output Bounds:
    ///   out1: [0x0 ~> 0xffffffffffffffff]
    inline fn cmovznzU64(out1: *u64, arg1: u1, arg2: u64, arg3: u64) void {
        @setRuntimeSafety(mode == .Debug);

        const mask = 0 -% @as(u64, arg1);
        out1.* = (mask & arg3) | ((~mask) & arg2);
    }

    /// The function mul multiplies two field elements in the Montgomery domain.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    ///   0 ≤ eval arg2 < m
    /// Postconditions:
    ///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldElement, arg2: MontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        const x1 = (arg1[1]);
        const x2 = (arg1[2]);
        const x3 = (arg1[3]);
        const x4 = (arg1[4]);
        const x5 = (arg1[5]);
        const x6 = (arg1[0]);
        var x7: u64 = undefined;
        var x8: u64 = undefined;
        mulxU64(&x7, &x8, x6, (arg2[5]));
        var x9: u64 = undefined;
        var x10: u64 = undefined;
        mulxU64(&x9, &x10, x6, (arg2[4]));
        var x11: u64 = undefined;
        var x12: u64 = undefined;
        mulxU64(&x11, &x12, x6, (arg2[3]));
        var x13: u64 = undefined;
        var x14: u64 = undefined;
        mulxU64(&x13, &x14, x6, (arg2[2]));
        var x15: u64 = undefined;
        var x16: u64 = undefined;
        mulxU64(&x15, &x16, x6, (arg2[1]));
        var x17: u64 = undefined;
        var x18: u64 = undefined;
        mulxU64(&x17, &x18, x6, (arg2[0]));
        var x19: u64 = undefined;
        var x20: u1 = undefined;
        addcarryxU64(&x19, &x20, 0x0, x18, x15);
        var x21: u64 = undefined;
        var x22: u1 = undefined;
        addcarryxU64(&x21, &x22, x20, x16, x13);
        var x23: u64 = undefined;
        var x24: u1 = undefined;
        addcarryxU64(&x23, &x24, x22, x14, x11);
        var x25: u64 = undefined;
        var x26: u1 = undefined;
        addcarryxU64(&x25, &x26, x24, x12, x9);
        var x27: u64 = undefined;
        var x28: u1 = undefined;
        addcarryxU64(&x27, &x28, x26, x10, x7);
        const x29 = (@as(u64, x28) + x8);
        var x30: u64 = undefined;
        var x31: u64 = undefined;
        mulxU64(&x30, &x31, x17, 0x6ed46089e88fdc45);
        var x32: u64 = undefined;
        var x33: u64 = undefined;
        mulxU64(&x32, &x33, x30, 0xffffffffffffffff);
        var x34: u64 = undefined;
        var x35: u64 = undefined;
        mulxU64(&x34, &x35, x30, 0xffffffffffffffff);
        var x36: u64 = undefined;
        var x37: u64 = undefined;
        mulxU64(&x36, &x37, x30, 0xffffffffffffffff);
        var x38: u64 = undefined;
        var x39: u64 = undefined;
        mulxU64(&x38, &x39, x30, 0xc7634d81f4372ddf);
        var x40: u64 = undefined;
        var x41: u64 = undefined;
        mulxU64(&x40, &x41, x30, 0x581a0db248b0a77a);
        var x42: u64 = undefined;
        var x43: u64 = undefined;
        mulxU64(&x42, &x43, x30, 0xecec196accc52973);
        var x44: u64 = undefined;
        var x45: u1 = undefined;
        addcarryxU64(&x44, &x45, 0x0, x43, x40);
        var x46: u64 = undefined;
        var x47: u1 = undefined;
        addcarryxU64(&x46, &x47, x45, x41, x38);
        var x48: u64 = undefined;
        var x49: u1 = undefined;
        addcarryxU64(&x48, &x49, x47, x39, x36);
        var x50: u64 = undefined;
        var x51: u1 = undefined;
        addcarryxU64(&x50, &x51, x49, x37, x34);
        var x52: u64 = undefined;
        var x53: u1 = undefined;
        addcarryxU64(&x52, &x53, x51, x35, x32);
        const x54 = (@as(u64, x53) + x33);
        var x55: u64 = undefined;
        var x56: u1 = undefined;
        addcarryxU64(&x55, &x56, 0x0, x17, x42);
        var x57: u64 = undefined;
        var x58: u1 = undefined;
        addcarryxU64(&x57, &x58, x56, x19, x44);
        var x59: u64 = undefined;
        var x60: u1 = undefined;
        addcarryxU64(&x59, &x60, x58, x21, x46);
        var x61: u64 = undefined;
        var x62: u1 = undefined;
        addcarryxU64(&x61, &x62, x60, x23, x48);
        var x63: u64 = undefined;
        var x64: u1 = undefined;
        addcarryxU64(&x63, &x64, x62, x25, x50);
        var x65: u64 = undefined;
        var x66: u1 = undefined;
        addcarryxU64(&x65, &x66, x64, x27, x52);
        var x67: u64 = undefined;
        var x68: u1 = undefined;
        addcarryxU64(&x67, &x68, x66, x29, x54);
        var x69: u64 = undefined;
        var x70: u64 = undefined;
        mulxU64(&x69, &x70, x1, (arg2[5]));
        var x71: u64 = undefined;
        var x72: u64 = undefined;
        mulxU64(&x71, &x72, x1, (arg2[4]));
        var x73: u64 = undefined;
        var x74: u64 = undefined;
        mulxU64(&x73, &x74, x1, (arg2[3]));
        var x75: u64 = undefined;
        var x76: u64 = undefined;
        mulxU64(&x75, &x76, x1, (arg2[2]));
        var x77: u64 = undefined;
        var x78: u64 = undefined;
        mulxU64(&x77, &x78, x1, (arg2[1]));
        var x79: u64 = undefined;
        var x80: u64 = undefined;
        mulxU64(&x79, &x80, x1, (arg2[0]));
        var x81: u64 = undefined;
        var x82: u1 = undefined;
        addcarryxU64(&x81, &x82, 0x0, x80, x77);
        var x83: u64 = undefined;
        var x84: u1 = undefined;
        addcarryxU64(&x83, &x84, x82, x78, x75);
        var x85: u64 = undefined;
        var x86: u1 = undefined;
        addcarryxU64(&x85, &x86, x84, x76, x73);
        var x87: u64 = undefined;
        var x88: u1 = undefined;
        addcarryxU64(&x87, &x88, x86, x74, x71);
        var x89: u64 = undefined;
        var x90: u1 = undefined;
        addcarryxU64(&x89, &x90, x88, x72, x69);
        const x91 = (@as(u64, x90) + x70);
        var x92: u64 = undefined;
        var x93: u1 = undefined;
        addcarryxU64(&x92, &x93, 0x0, x57, x79);
        var x94: u64 = undefined;
        var x95: u1 = undefined;
        addcarryxU64(&x94, &x95, x93, x59, x81);
        var x96: u64 = undefined;
        var x97: u1 = undefined;
        addcarryxU64(&x96, &x97, x95, x61, x83);
        var x98: u64 = undefined;
        var x99: u1 = undefined;
        addcarryxU64(&x98, &x99, x97, x63, x85);
        var x100: u64 = undefined;
        var x101: u1 = undefined;
        addcarryxU64(&x100, &x101, x99, x65, x87);
        var x102: u64 = undefined;
        var x103: u1 = undefined;
        addcarryxU64(&x102, &x103, x101, x67, x89);
        var x104: u64 = undefined;
        var x105: u1 = undefined;
        addcarryxU64(&x104, &x105, x103, @as(u64, x68), x91);
        var x106: u64 = undefined;
        var x107: u64 = undefined;
        mulxU64(&x106, &x107, x92, 0x6ed46089e88fdc45);
        var x108: u64 = undefined;
        var x109: u64 = undefined;
        mulxU64(&x108, &x109, x106, 0xffffffffffffffff);
        var x110: u64 = undefined;
        var x111: u64 = undefined;
        mulxU64(&x110, &x111, x106, 0xffffffffffffffff);
        var x112: u64 = undefined;
        var x113: u64 = undefined;
        mulxU64(&x112, &x113, x106, 0xffffffffffffffff);
        var x114: u64 = undefined;
        var x115: u64 = undefined;
        mulxU64(&x114, &x115, x106, 0xc7634d81f4372ddf);
        var x116: u64 = undefined;
        var x117: u64 = undefined;
        mulxU64(&x116, &x117, x106, 0x581a0db248b0a77a);
        var x118: u64 = undefined;
        var x119: u64 = undefined;
        mulxU64(&x118, &x119, x106, 0xecec196accc52973);
        var x120: u64 = undefined;
        var x121: u1 = undefined;
        addcarryxU64(&x120, &x121, 0x0, x119, x116);
        var x122: u64 = undefined;
        var x123: u1 = undefined;
        addcarryxU64(&x122, &x123, x121, x117, x114);
        var x124: u64 = undefined;
        var x125: u1 = undefined;
        addcarryxU64(&x124, &x125, x123, x115, x112);
        var x126: u64 = undefined;
        var x127: u1 = undefined;
        addcarryxU64(&x126, &x127, x125, x113, x110);
        var x128: u64 = undefined;
        var x129: u1 = undefined;
        addcarryxU64(&x128, &x129, x127, x111, x108);
        const x130 = (@as(u64, x129) + x109);
        var x131: u64 = undefined;
        var x132: u1 = undefined;
        addcarryxU64(&x131, &x132, 0x0, x92, x118);
        var x133: u64 = undefined;
        var x134: u1 = undefined;
        addcarryxU64(&x133, &x134, x132, x94, x120);
        var x135: u64 = undefined;
        var x136: u1 = undefined;
        addcarryxU64(&x135, &x136, x134, x96, x122);
        var x137: u64 = undefined;
        var x138: u1 = undefined;
        addcarryxU64(&x137, &x138, x136, x98, x124);
        var x139: u64 = undefined;
        var x140: u1 = undefined;
        addcarryxU64(&x139, &x140, x138, x100, x126);
        var x141: u64 = undefined;
        var x142: u1 = undefined;
        addcarryxU64(&x141, &x142, x140, x102, x128);
        var x143: u64 = undefined;
        var x144: u1 = undefined;
        addcarryxU64(&x143, &x144, x142, x104, x130);
        const x145 = (@as(u64, x144) + @as(u64, x105));
        var x146: u64 = undefined;
        var x147: u64 = undefined;
        mulxU64(&x146, &x147, x2, (arg2[5]));
        var x148: u64 = undefined;
        var x149: u64 = undefined;
        mulxU64(&x148, &x149, x2, (arg2[4]));
        var x150: u64 = undefined;
        var x151: u64 = undefined;
        mulxU64(&x150, &x151, x2, (arg2[3]));
        var x152: u64 = undefined;
        var x153: u64 = undefined;
        mulxU64(&x152, &x153, x2, (arg2[2]));
        var x154: u64 = undefined;
        var x155: u64 = undefined;
        mulxU64(&x154, &x155, x2, (arg2[1]));
        var x156: u64 = undefined;
        var x157: u64 = undefined;
        mulxU64(&x156, &x157, x2, (arg2[0]));
        var x158: u64 = undefined;
        var x159: u1 = undefined;
        addcarryxU64(&x158, &x159, 0x0, x157, x154);
        var x160: u64 = undefined;
        var x161: u1 = undefined;
        addcarryxU64(&x160, &x161, x159, x155, x152);
        var x162: u64 = undefined;
        var x163: u1 = undefined;
        addcarryxU64(&x162, &x163, x161, x153, x150);
        var x164: u64 = undefined;
        var x165: u1 = undefined;
        addcarryxU64(&x164, &x165, x163, x151, x148);
        var x166: u64 = undefined;
        var x167: u1 = undefined;
        addcarryxU64(&x166, &x167, x165, x149, x146);
        const x168 = (@as(u64, x167) + x147);
        var x169: u64 = undefined;
        var x170: u1 = undefined;
        addcarryxU64(&x169, &x170, 0x0, x133, x156);
        var x171: u64 = undefined;
        var x172: u1 = undefined;
        addcarryxU64(&x171, &x172, x170, x135, x158);
        var x173: u64 = undefined;
        var x174: u1 = undefined;
        addcarryxU64(&x173, &x174, x172, x137, x160);
        var x175: u64 = undefined;
        var x176: u1 = undefined;
        addcarryxU64(&x175, &x176, x174, x139, x162);
        var x177: u64 = undefined;
        var x178: u1 = undefined;
        addcarryxU64(&x177, &x178, x176, x141, x164);
        var x179: u64 = undefined;
        var x180: u1 = undefined;
        addcarryxU64(&x179, &x180, x178, x143, x166);
        var x181: u64 = undefined;
        var x182: u1 = undefined;
        addcarryxU64(&x181, &x182, x180, x145, x168);
        var x183: u64 = undefined;
        var x184: u64 = undefined;
        mulxU64(&x183, &x184, x169, 0x6ed46089e88fdc45);
        var x185: u64 = undefined;
        var x186: u64 = undefined;
        mulxU64(&x185, &x186, x183, 0xffffffffffffffff);
        var x187: u64 = undefined;
        var x188: u64 = undefined;
        mulxU64(&x187, &x188, x183, 0xffffffffffffffff);
        var x189: u64 = undefined;
        var x190: u64 = undefined;
        mulxU64(&x189, &x190, x183, 0xffffffffffffffff);
        var x191: u64 = undefined;
        var x192: u64 = undefined;
        mulxU64(&x191, &x192, x183, 0xc7634d81f4372ddf);
        var x193: u64 = undefined;
        var x194: u64 = undefined;
        mulxU64(&x193, &x194, x183, 0x581a0db248b0a77a);
        var x195: u64 = undefined;
        var x196: u64 = undefined;
        mulxU64(&x195, &x196, x183, 0xecec196accc52973);
        var x197: u64 = undefined;
        var x198: u1 = undefined;
        addcarryxU64(&x197, &x198, 0x0, x196, x193);
        var x199: u64 = undefined;
        var x200: u1 = undefined;
        addcarryxU64(&x199, &x200, x198, x194, x191);
        var x201: u64 = undefined;
        var x202: u1 = undefined;
        addcarryxU64(&x201, &x202, x200, x192, x189);
        var x203: u64 = undefined;
        var x204: u1 = undefined;
        addcarryxU64(&x203, &x204, x202, x190, x187);
        var x205: u64 = undefined;
        var x206: u1 = undefined;
        addcarryxU64(&x205, &x206, x204, x188, x185);
        const x207 = (@as(u64, x206) + x186);
        var x208: u64 = undefined;
        var x209: u1 = undefined;
        addcarryxU64(&x208, &x209, 0x0, x169, x195);
        var x210: u64 = undefined;
        var x211: u1 = undefined;
        addcarryxU64(&x210, &x211, x209, x171, x197);
        var x212: u64 = undefined;
        var x213: u1 = undefined;
        addcarryxU64(&x212, &x213, x211, x173, x199);
        var x214: u64 = undefined;
        var x215: u1 = undefined;
        addcarryxU64(&x214, &x215, x213, x175, x201);
        var x216: u64 = undefined;
        var x217: u1 = undefined;
        addcarryxU64(&x216, &x217, x215, x177, x203);
        var x218: u64 = undefined;
        var x219: u1 = undefined;
        addcarryxU64(&x218, &x219, x217, x179, x205);
        var x220: u64 = undefined;
        var x221: u1 = undefined;
        addcarryxU64(&x220, &x221, x219, x181, x207);
        const x222 = (@as(u64, x221) + @as(u64, x182));
        var x223: u64 = undefined;
        var x224: u64 = undefined;
        mulxU64(&x223, &x224, x3, (arg2[5]));
        var x225: u64 = undefined;
        var x226: u64 = undefined;
        mulxU64(&x225, &x226, x3, (arg2[4]));
        var x227: u64 = undefined;
        var x228: u64 = undefined;
        mulxU64(&x227, &x228, x3, (arg2[3]));
        var x229: u64 = undefined;
        var x230: u64 = undefined;
        mulxU64(&x229, &x230, x3, (arg2[2]));
        var x231: u64 = undefined;
        var x232: u64 = undefined;
        mulxU64(&x231, &x232, x3, (arg2[1]));
        var x233: u64 = undefined;
        var x234: u64 = undefined;
        mulxU64(&x233, &x234, x3, (arg2[0]));
        var x235: u64 = undefined;
        var x236: u1 = undefined;
        addcarryxU64(&x235, &x236, 0x0, x234, x231);
        var x237: u64 = undefined;
        var x238: u1 = undefined;
        addcarryxU64(&x237, &x238, x236, x232, x229);
        var x239: u64 = undefined;
        var x240: u1 = undefined;
        addcarryxU64(&x239, &x240, x238, x230, x227);
        var x241: u64 = undefined;
        var x242: u1 = undefined;
        addcarryxU64(&x241, &x242, x240, x228, x225);
        var x243: u64 = undefined;
        var x244: u1 = undefined;
        addcarryxU64(&x243, &x244, x242, x226, x223);
        const x245 = (@as(u64, x244) + x224);
        var x246: u64 = undefined;
        var x247: u1 = undefined;
        addcarryxU64(&x246, &x247, 0x0, x210, x233);
        var x248: u64 = undefined;
        var x249: u1 = undefined;
        addcarryxU64(&x248, &x249, x247, x212, x235);
        var x250: u64 = undefined;
        var x251: u1 = undefined;
        addcarryxU64(&x250, &x251, x249, x214, x237);
        var x252: u64 = undefined;
        var x253: u1 = undefined;
        addcarryxU64(&x252, &x253, x251, x216, x239);
        var x254: u64 = undefined;
        var x255: u1 = undefined;
        addcarryxU64(&x254, &x255, x253, x218, x241);
        var x256: u64 = undefined;
        var x257: u1 = undefined;
        addcarryxU64(&x256, &x257, x255, x220, x243);
        var x258: u64 = undefined;
        var x259: u1 = undefined;
        addcarryxU64(&x258, &x259, x257, x222, x245);
        var x260: u64 = undefined;
        var x261: u64 = undefined;
        mulxU64(&x260, &x261, x246, 0x6ed46089e88fdc45);
        var x262: u64 = undefined;
        var x263: u64 = undefined;
        mulxU64(&x262, &x263, x260, 0xffffffffffffffff);
        var x264: u64 = undefined;
        var x265: u64 = undefined;
        mulxU64(&x264, &x265, x260, 0xffffffffffffffff);
        var x266: u64 = undefined;
        var x267: u64 = undefined;
        mulxU64(&x266, &x267, x260, 0xffffffffffffffff);
        var x268: u64 = undefined;
        var x269: u64 = undefined;
        mulxU64(&x268, &x269, x260, 0xc7634d81f4372ddf);
        var x270: u64 = undefined;
        var x271: u64 = undefined;
        mulxU64(&x270, &x271, x260, 0x581a0db248b0a77a);
        var x272: u64 = undefined;
        var x273: u64 = undefined;
        mulxU64(&x272, &x273, x260, 0xecec196accc52973);
        var x274: u64 = undefined;
        var x275: u1 = undefined;
        addcarryxU64(&x274, &x275, 0x0, x273, x270);
        var x276: u64 = undefined;
        var x277: u1 = undefined;
        addcarryxU64(&x276, &x277, x275, x271, x268);
        var x278: u64 = undefined;
        var x279: u1 = undefined;
        addcarryxU64(&x278, &x279, x277, x269, x266);
        var x280: u64 = undefined;
        var x281: u1 = undefined;
        addcarryxU64(&x280, &x281, x279, x267, x264);
        var x282: u64 = undefined;
        var x283: u1 = undefined;
        addcarryxU64(&x282, &x283, x281, x265, x262);
        const x284 = (@as(u64, x283) + x263);
        var x285: u64 = undefined;
        var x286: u1 = undefined;
        addcarryxU64(&x285, &x286, 0x0, x246, x272);
        var x287: u64 = undefined;
        var x288: u1 = undefined;
        addcarryxU64(&x287, &x288, x286, x248, x274);
        var x289: u64 = undefined;
        var x290: u1 = undefined;
        addcarryxU64(&x289, &x290, x288, x250, x276);
        var x291: u64 = undefined;
        var x292: u1 = undefined;
        addcarryxU64(&x291, &x292, x290, x252, x278);
        var x293: u64 = undefined;
        var x294: u1 = undefined;
        addcarryxU64(&x293, &x294, x292, x254, x280);
        var x295: u64 = undefined;
        var x296: u1 = undefined;
        addcarryxU64(&x295, &x296, x294, x256, x282);
        var x297: u64 = undefined;
        var x298: u1 = undefined;
        addcarryxU64(&x297, &x298, x296, x258, x284);
        const x299 = (@as(u64, x298) + @as(u64, x259));
        var x300: u64 = undefined;
        var x301: u64 = undefined;
        mulxU64(&x300, &x301, x4, (arg2[5]));
        var x302: u64 = undefined;
        var x303: u64 = undefined;
        mulxU64(&x302, &x303, x4, (arg2[4]));
        var x304: u64 = undefined;
        var x305: u64 = undefined;
        mulxU64(&x304, &x305, x4, (arg2[3]));
        var x306: u64 = undefined;
        var x307: u64 = undefined;
        mulxU64(&x306, &x307, x4, (arg2[2]));
        var x308: u64 = undefined;
        var x309: u64 = undefined;
        mulxU64(&x308, &x309, x4, (arg2[1]));
        var x310: u64 = undefined;
        var x311: u64 = undefined;
        mulxU64(&x310, &x311, x4, (arg2[0]));
        var x312: u64 = undefined;
        var x313: u1 = undefined;
        addcarryxU64(&x312, &x313, 0x0, x311, x308);
        var x314: u64 = undefined;
        var x315: u1 = undefined;
        addcarryxU64(&x314, &x315, x313, x309, x306);
        var x316: u64 = undefined;
        var x317: u1 = undefined;
        addcarryxU64(&x316, &x317, x315, x307, x304);
        var x318: u64 = undefined;
        var x319: u1 = undefined;
        addcarryxU64(&x318, &x319, x317, x305, x302);
        var x320: u64 = undefined;
        var x321: u1 = undefined;
        addcarryxU64(&x320, &x321, x319, x303, x300);
        const x322 = (@as(u64, x321) + x301);
        var x323: u64 = undefined;
        var x324: u1 = undefined;
        addcarryxU64(&x323, &x324, 0x0, x287, x310);
        var x325: u64 = undefined;
        var x326: u1 = undefined;
        addcarryxU64(&x325, &x326, x324, x289, x312);
        var x327: u64 = undefined;
        var x328: u1 = undefined;
        addcarryxU64(&x327, &x328, x326, x291, x314);
        var x329: u64 = undefined;
        var x330: u1 = undefined;
        addcarryxU64(&x329, &x330, x328, x293, x316);
        var x331: u64 = undefined;
        var x332: u1 = undefined;
        addcarryxU64(&x331, &x332, x330, x295, x318);
        var x333: u64 = undefined;
        var x334: u1 = undefined;
        addcarryxU64(&x333, &x334, x332, x297, x320);
        var x335: u64 = undefined;
        var x336: u1 = undefined;
        addcarryxU64(&x335, &x336, x334, x299, x322);
        var x337: u64 = undefined;
        var x338: u64 = undefined;
        mulxU64(&x337, &x338, x323, 0x6ed46089e88fdc45);
        var x339: u64 = undefined;
        var x340: u64 = undefined;
        mulxU64(&x339, &x340, x337, 0xffffffffffffffff);
        var x341: u64 = undefined;
        var x342: u64 = undefined;
        mulxU64(&x341, &x342, x337, 0xffffffffffffffff);
        var x343: u64 = undefined;
        var x344: u64 = undefined;
        mulxU64(&x343, &x344, x337, 0xffffffffffffffff);
        var x345: u64 = undefined;
        var x346: u64 = undefined;
        mulxU64(&x345, &x346, x337, 0xc7634d81f4372ddf);
        var x347: u64 = undefined;
        var x348: u64 = undefined;
        mulxU64(&x347, &x348, x337, 0x581a0db248b0a77a);
        var x349: u64 = undefined;
        var x350: u64 = undefined;
        mulxU64(&x349, &x350, x337, 0xecec196accc52973);
        var x351: u64 = undefined;
        var x352: u1 = undefined;
        addcarryxU64(&x351, &x352, 0x0, x350, x347);
        var x353: u64 = undefined;
        var x354: u1 = undefined;
        addcarryxU64(&x353, &x354, x352, x348, x345);
        var x355: u64 = undefined;
        var x356: u1 = undefined;
        addcarryxU64(&x355, &x356, x354, x346, x343);
        var x357: u64 = undefined;
        var x358: u1 = undefined;
        addcarryxU64(&x357, &x358, x356, x344, x341);
        var x359: u64 = undefined;
        var x360: u1 = undefined;
        addcarryxU64(&x359, &x360, x358, x342, x339);
        const x361 = (@as(u64, x360) + x340);
        var x362: u64 = undefined;
        var x363: u1 = undefined;
        addcarryxU64(&x362, &x363, 0x0, x323, x349);
        var x364: u64 = undefined;
        var x365: u1 = undefined;
        addcarryxU64(&x364, &x365, x363, x325, x351);
        var x366: u64 = undefined;
        var x367: u1 = undefined;
        addcarryxU64(&x366, &x367, x365, x327, x353);
        var x368: u64 = undefined;
        var x369: u1 = undefined;
        addcarryxU64(&x368, &x369, x367, x329, x355);
        var x370: u64 = undefined;
        var x371: u1 = undefined;
        addcarryxU64(&x370, &x371, x369, x331, x357);
        var x372: u64 = undefined;
        var x373: u1 = undefined;
        addcarryxU64(&x372, &x373, x371, x333, x359);
        var x374: u64 = undefined;
        var x375: u1 = undefined;
        addcarryxU64(&x374, &x375, x373, x335, x361);
        const x376 = (@as(u64, x375) + @as(u64, x336));
        var x377: u64 = undefined;
        var x378: u64 = undefined;
        mulxU64(&x377, &x378, x5, (arg2[5]));
        var x379: u64 = undefined;
        var x380: u64 = undefined;
        mulxU64(&x379, &x380, x5, (arg2[4]));
        var x381: u64 = undefined;
        var x382: u64 = undefined;
        mulxU64(&x381, &x382, x5, (arg2[3]));
        var x383: u64 = undefined;
        var x384: u64 = undefined;
        mulxU64(&x383, &x384, x5, (arg2[2]));
        var x385: u64 = undefined;
        var x386: u64 = undefined;
        mulxU64(&x385, &x386, x5, (arg2[1]));
        var x387: u64 = undefined;
        var x388: u64 = undefined;
        mulxU64(&x387, &x388, x5, (arg2[0]));
        var x389: u64 = undefined;
        var x390: u1 = undefined;
        addcarryxU64(&x389, &x390, 0x0, x388, x385);
        var x391: u64 = undefined;
        var x392: u1 = undefined;
        addcarryxU64(&x391, &x392, x390, x386, x383);
        var x393: u64 = undefined;
        var x394: u1 = undefined;
        addcarryxU64(&x393, &x394, x392, x384, x381);
        var x395: u64 = undefined;
        var x396: u1 = undefined;
        addcarryxU64(&x395, &x396, x394, x382, x379);
        var x397: u64 = undefined;
        var x398: u1 = undefined;
        addcarryxU64(&x397, &x398, x396, x380, x377);
        const x399 = (@as(u64, x398) + x378);
        var x400: u64 = undefined;
        var x401: u1 = undefined;
        addcarryxU64(&x400, &x401, 0x0, x364, x387);
        var x402: u64 = undefined;
        var x403: u1 = undefined;
        addcarryxU64(&x402, &x403, x401, x366, x389);
        var x404: u64 = undefined;
        var x405: u1 = undefined;
        addcarryxU64(&x404, &x405, x403, x368, x391);
        var x406: u64 = undefined;
        var x407: u1 = undefined;
        addcarryxU64(&x406, &x407, x405, x370, x393);
        var x408: u64 = undefined;
        var x409: u1 = undefined;
        addcarryxU64(&x408, &x409, x407, x372, x395);
        var x410: u64 = undefined;
        var x411: u1 = undefined;
        addcarryxU64(&x410, &x411, x409, x374, x397);
        var x412: u64 = undefined;
        var x413: u1 = undefined;
        addcarryxU64(&x412, &x413, x411, x376, x399);
        var x414: u64 = undefined;
        var x415: u64 = undefined;
        mulxU64(&x414, &x415, x400, 0x6ed46089e88fdc45);
        var x416: u64 = undefined;
        var x417: u64 = undefined;
        mulxU64(&x416, &x417, x414, 0xffffffffffffffff);
        var x418: u64 = undefined;
        var x419: u64 = undefined;
        mulxU64(&x418, &x419, x414, 0xffffffffffffffff);
        var x420: u64 = undefined;
        var x421: u64 = undefined;
        mulxU64(&x420, &x421, x414, 0xffffffffffffffff);
        var x422: u64 = undefined;
        var x423: u64 = undefined;
        mulxU64(&x422, &x423, x414, 0xc7634d81f4372ddf);
        var x424: u64 = undefined;
        var x425: u64 = undefined;
        mulxU64(&x424, &x425, x414, 0x581a0db248b0a77a);
        var x426: u64 = undefined;
        var x427: u64 = undefined;
        mulxU64(&x426, &x427, x414, 0xecec196accc52973);
        var x428: u64 = undefined;
        var x429: u1 = undefined;
        addcarryxU64(&x428, &x429, 0x0, x427, x424);
        var x430: u64 = undefined;
        var x431: u1 = undefined;
        addcarryxU64(&x430, &x431, x429, x425, x422);
        var x432: u64 = undefined;
        var x433: u1 = undefined;
        addcarryxU64(&x432, &x433, x431, x423, x420);
        var x434: u64 = undefined;
        var x435: u1 = undefined;
        addcarryxU64(&x434, &x435, x433, x421, x418);
        var x436: u64 = undefined;
        var x437: u1 = undefined;
        addcarryxU64(&x436, &x437, x435, x419, x416);
        const x438 = (@as(u64, x437) + x417);
        var x439: u64 = undefined;
        var x440: u1 = undefined;
        addcarryxU64(&x439, &x440, 0x0, x400, x426);
        var x441: u64 = undefined;
        var x442: u1 = undefined;
        addcarryxU64(&x441, &x442, x440, x402, x428);
        var x443: u64 = undefined;
        var x444: u1 = undefined;
        addcarryxU64(&x443, &x444, x442, x404, x430);
        var x445: u64 = undefined;
        var x446: u1 = undefined;
        addcarryxU64(&x445, &x446, x444, x406, x432);
        var x447: u64 = undefined;
        var x448: u1 = undefined;
        addcarryxU64(&x447, &x448, x446, x408, x434);
        var x449: u64 = undefined;
        var x450: u1 = undefined;
        addcarryxU64(&x449, &x450, x448, x410, x436);
        var x451: u64 = undefined;
        var x452: u1 = undefined;
        addcarryxU64(&x451, &x452, x450, x412, x438);
        const x453 = (@as(u64, x452) + @as(u64, x413));
        var x454: u64 = undefined;
        var x455: u1 = undefined;
        subborrowxU64(&x454, &x455, 0x0, x441, 0xecec196accc52973);
        var x456: u64 = undefined;
        var x457: u1 = undefined;
        subborrowxU64(&x456, &x457, x455, x443, 0x581a0db248b0a77a);
        var x458: u64 = undefined;
        var x459: u1 = undefined;
        subborrowxU64(&x458, &x459, x457, x445, 0xc7634d81f4372ddf);
        var x460: u64 = undefined;
        var x461: u1 = undefined;
        subborrowxU64(&x460, &x461, x459, x447, 0xffffffffffffffff);
        var x462: u64 = undefined;
        var x463: u1 = undefined;
        subborrowxU64(&x462, &x463, x461, x449, 0xffffffffffffffff);
        var x464: u64 = undefined;
        var x465: u1 = undefined;
        subborrowxU64(&x464, &x465, x463, x451, 0xffffffffffffffff);
        var x466: u64 = undefined;
        var x467: u1 = undefined;
        subborrowxU64(&x466, &x467, x465, x453, 0x0);
        var x468: u64 = undefined;
        cmovznzU64(&x468, x467, x454, x441);
        var x469: u64 = undefined;
        cmovznzU64(&x469, x467, x456, x443);
        var x470: u64 = undefined;
        cmovznzU64(&x470, x467, x458, x445);
        var x471: u64 = undefined;
        cmovznzU64(&x471, x467, x460, x447);
        var x472: u64 = undefined;
        cmovznzU64(&x472, x467, x462, x449);
        var x473: u64 = undefined;
        cmovznzU64(&x473, x467, x464, x451);
        out1[0] = x468;
        out1[1] = x469;
        out1[2] = x470;
        out1[3] = x471;
        out1[4] = x472;
        out1[5] = x473;
    }

    /// The function square squares a field element in the Montgomery domain.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    /// Postconditions:
    ///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        const x1 = (arg1[1]);
        const x2 = (arg1[2]);
        const x3 = (arg1[3]);
        const x4 = (arg1[4]);
        const x5 = (arg1[5]);
        const x6 = (arg1[0]);
        var x7: u64 = undefined;
        var x8: u64 = undefined;
        mulxU64(&x7, &x8, x6, (arg1[5]));
        var x9: u64 = undefined;
        var x10: u64 = undefined;
        mulxU64(&x9, &x10, x6, (arg1[4]));
        var x11: u64 = undefined;
        var x12: u64 = undefined;
        mulxU64(&x11, &x12, x6, (arg1[3]));
        var x13: u64 = undefined;
        var x14: u64 = undefined;
        mulxU64(&x13, &x14, x6, (arg1[2]));
        var x15: u64 = undefined;
        var x16: u64 = undefined;
        mulxU64(&x15, &x16, x6, (arg1[1]));
        var x17: u64 = undefined;
        var x18: u64 = undefined;
        mulxU64(&x17, &x18, x6, (arg1[0]));
        var x19: u64 = undefined;
        var x20: u1 = undefined;
        addcarryxU64(&x19, &x20, 0x0, x18, x15);
        var x21: u64 = undefined;
        var x22: u1 = undefined;
        addcarryxU64(&x21, &x22, x20, x16, x13);
        var x23: u64 = undefined;
        var x24: u1 = undefined;
        addcarryxU64(&x23, &x24, x22, x14, x11);
        var x25: u64 = undefined;
        var x26: u1 = undefined;
        addcarryxU64(&x25, &x26, x24, x12, x9);
        var x27: u64 = undefined;
        var x28: u1 = undefined;
        addcarryxU64(&x27, &x28, x26, x10, x7);
        const x29 = (@as(u64, x28) + x8);
        var x30: u64 = undefined;
        var x31: u64 = undefined;
        mulxU64(&x30, &x31, x17, 0x6ed46089e88fdc45);
        var x32: u64 = undefined;
        var x33: u64 = undefined;
        mulxU64(&x32, &x33, x30, 0xffffffffffffffff);
        var x34: u64 = undefined;
        var x35: u64 = undefined;
        mulxU64(&x34, &x35, x30, 0xffffffffffffffff);
        var x36: u64 = undefined;
        var x37: u64 = undefined;
        mulxU64(&x36, &x37, x30, 0xffffffffffffffff);
        var x38: u64 = undefined;
        var x39: u64 = undefined;
        mulxU64(&x38, &x39, x30, 0xc7634d81f4372ddf);
        var x40: u64 = undefined;
        var x41: u64 = undefined;
        mulxU64(&x40, &x41, x30, 0x581a0db248b0a77a);
        var x42: u64 = undefined;
        var x43: u64 = undefined;
        mulxU64(&x42, &x43, x30, 0xecec196accc52973);
        var x44: u64 = undefined;
        var x45: u1 = undefined;
        addcarryxU64(&x44, &x45, 0x0, x43, x40);
        var x46: u64 = undefined;
        var x47: u1 = undefined;
        addcarryxU64(&x46, &x47, x45, x41, x38);
        var x48: u64 = undefined;
        var x49: u1 = undefined;
        addcarryxU64(&x48, &x49, x47, x39, x36);
        var x50: u64 = undefined;
        var x51: u1 = undefined;
        addcarryxU64(&x50, &x51, x49, x37, x34);
        var x52: u64 = undefined;
        var x53: u1 = undefined;
        addcarryxU64(&x52, &x53, x51, x35, x32);
        const x54 = (@as(u64, x53) + x33);
        var x55: u64 = undefined;
        var x56: u1 = undefined;
        addcarryxU64(&x55, &x56, 0x0, x17, x42);
        var x57: u64 = undefined;
        var x58: u1 = undefined;
        addcarryxU64(&x57, &x58, x56, x19, x44);
        var x59: u64 = undefined;
        var x60: u1 = undefined;
        addcarryxU64(&x59, &x60, x58, x21, x46);
        var x61: u64 = undefined;
        var x62: u1 = undefined;
        addcarryxU64(&x61, &x62, x60, x23, x48);
        var x63: u64 = undefined;
        var x64: u1 = undefined;
        addcarryxU64(&x63, &x64, x62, x25, x50);
        var x65: u64 = undefined;
        var x66: u1 = undefined;
        addcarryxU64(&x65, &x66, x64, x27, x52);
        var x67: u64 = undefined;
        var x68: u1 = undefined;
        addcarryxU64(&x67, &x68, x66, x29, x54);
        var x69: u64 = undefined;
        var x70: u64 = undefined;
        mulxU64(&x69, &x70, x1, (arg1[5]));
        var x71: u64 = undefined;
        var x72: u64 = undefined;
        mulxU64(&x71, &x72, x1, (arg1[4]));
        var x73: u64 = undefined;
        var x74: u64 = undefined;
        mulxU64(&x73, &x74, x1, (arg1[3]));
        var x75: u64 = undefined;
        var x76: u64 = undefined;
        mulxU64(&x75, &x76, x1, (arg1[2]));
        var x77: u64 = undefined;
        var x78: u64 = undefined;
        mulxU64(&x77, &x78, x1, (arg1[1]));
        var x79: u64 = undefined;
        var x80: u64 = undefined;
        mulxU64(&x79, &x80, x1, (arg1[0]));
        var x81: u64 = undefined;
        var x82: u1 = undefined;
        addcarryxU64(&x81, &x82, 0x0, x80, x77);
        var x83: u64 = undefined;
        var x84: u1 = undefined;
        addcarryxU64(&x83, &x84, x82, x78, x75);
        var x85: u64 = undefined;
        var x86: u1 = undefined;
        addcarryxU64(&x85, &x86, x84, x76, x73);
        var x87: u64 = undefined;
        var x88: u1 = undefined;
        addcarryxU64(&x87, &x88, x86, x74, x71);
        var x89: u64 = undefined;
        var x90: u1 = undefined;
        addcarryxU64(&x89, &x90, x88, x72, x69);
        const x91 = (@as(u64, x90) + x70);
        var x92: u64 = undefined;
        var x93: u1 = undefined;
        addcarryxU64(&x92, &x93, 0x0, x57, x79);
        var x94: u64 = undefined;
        var x95: u1 = undefined;
        addcarryxU64(&x94, &x95, x93, x59, x81);
        var x96: u64 = undefined;
        var x97: u1 = undefined;
        addcarryxU64(&x96, &x97, x95, x61, x83);
        var x98: u64 = undefined;
        var x99: u1 = undefined;
        addcarryxU64(&x98, &x99, x97, x63, x85);
        var x100: u64 = undefined;
        var x101: u1 = undefined;
        addcarryxU64(&x100, &x101, x99, x65, x87);
        var x102: u64 = undefined;
        var x103: u1 = undefined;
        addcarryxU64(&x102, &x103, x101, x67, x89);
        var x104: u64 = undefined;
        var x105: u1 = undefined;
        addcarryxU64(&x104, &x105, x103, @as(u64, x68), x91);
        var x106: u64 = undefined;
        var x107: u64 = undefined;
        mulxU64(&x106, &x107, x92, 0x6ed46089e88fdc45);
        var x108: u64 = undefined;
        var x109: u64 = undefined;
        mulxU64(&x108, &x109, x106, 0xffffffffffffffff);
        var x110: u64 = undefined;
        var x111: u64 = undefined;
        mulxU64(&x110, &x111, x106, 0xffffffffffffffff);
        var x112: u64 = undefined;
        var x113: u64 = undefined;
        mulxU64(&x112, &x113, x106, 0xffffffffffffffff);
        var x114: u64 = undefined;
        var x115: u64 = undefined;
        mulxU64(&x114, &x115, x106, 0xc7634d81f4372ddf);
        var x116: u64 = undefined;
        var x117: u64 = undefined;
        mulxU64(&x116, &x117, x106, 0x581a0db248b0a77a);
        var x118: u64 = undefined;
        var x119: u64 = undefined;
        mulxU64(&x118, &x119, x106, 0xecec196accc52973);
        var x120: u64 = undefined;
        var x121: u1 = undefined;
        addcarryxU64(&x120, &x121, 0x0, x119, x116);
        var x122: u64 = undefined;
        var x123: u1 = undefined;
        addcarryxU64(&x122, &x123, x121, x117, x114);
        var x124: u64 = undefined;
        var x125: u1 = undefined;
        addcarryxU64(&x124, &x125, x123, x115, x112);
        var x126: u64 = undefined;
        var x127: u1 = undefined;
        addcarryxU64(&x126, &x127, x125, x113, x110);
        var x128: u64 = undefined;
        var x129: u1 = undefined;
        addcarryxU64(&x128, &x129, x127, x111, x108);
        const x130 = (@as(u64, x129) + x109);
        var x131: u64 = undefined;
        var x132: u1 = undefined;
        addcarryxU64(&x131, &x132, 0x0, x92, x118);
        var x133: u64 = undefined;
        var x134: u1 = undefined;
        addcarryxU64(&x133, &x134, x132, x94, x120);
        var x135: u64 = undefined;
        var x136: u1 = undefined;
        addcarryxU64(&x135, &x136, x134, x96, x122);
        var x137: u64 = undefined;
        var x138: u1 = undefined;
        addcarryxU64(&x137, &x138, x136, x98, x124);
        var x139: u64 = undefined;
        var x140: u1 = undefined;
        addcarryxU64(&x139, &x140, x138, x100, x126);
        var x141: u64 = undefined;
        var x142: u1 = undefined;
        addcarryxU64(&x141, &x142, x140, x102, x128);
        var x143: u64 = undefined;
        var x144: u1 = undefined;
        addcarryxU64(&x143, &x144, x142, x104, x130);
        const x145 = (@as(u64, x144) + @as(u64, x105));
        var x146: u64 = undefined;
        var x147: u64 = undefined;
        mulxU64(&x146, &x147, x2, (arg1[5]));
        var x148: u64 = undefined;
        var x149: u64 = undefined;
        mulxU64(&x148, &x149, x2, (arg1[4]));
        var x150: u64 = undefined;
        var x151: u64 = undefined;
        mulxU64(&x150, &x151, x2, (arg1[3]));
        var x152: u64 = undefined;
        var x153: u64 = undefined;
        mulxU64(&x152, &x153, x2, (arg1[2]));
        var x154: u64 = undefined;
        var x155: u64 = undefined;
        mulxU64(&x154, &x155, x2, (arg1[1]));
        var x156: u64 = undefined;
        var x157: u64 = undefined;
        mulxU64(&x156, &x157, x2, (arg1[0]));
        var x158: u64 = undefined;
        var x159: u1 = undefined;
        addcarryxU64(&x158, &x159, 0x0, x157, x154);
        var x160: u64 = undefined;
        var x161: u1 = undefined;
        addcarryxU64(&x160, &x161, x159, x155, x152);
        var x162: u64 = undefined;
        var x163: u1 = undefined;
        addcarryxU64(&x162, &x163, x161, x153, x150);
        var x164: u64 = undefined;
        var x165: u1 = undefined;
        addcarryxU64(&x164, &x165, x163, x151, x148);
        var x166: u64 = undefined;
        var x167: u1 = undefined;
        addcarryxU64(&x166, &x167, x165, x149, x146);
        const x168 = (@as(u64, x167) + x147);
        var x169: u64 = undefined;
        var x170: u1 = undefined;
        addcarryxU64(&x169, &x170, 0x0, x133, x156);
        var x171: u64 = undefined;
        var x172: u1 = undefined;
        addcarryxU64(&x171, &x172, x170, x135, x158);
        var x173: u64 = undefined;
        var x174: u1 = undefined;
        addcarryxU64(&x173, &x174, x172, x137, x160);
        var x175: u64 = undefined;
        var x176: u1 = undefined;
        addcarryxU64(&x175, &x176, x174, x139, x162);
        var x177: u64 = undefined;
        var x178: u1 = undefined;
        addcarryxU64(&x177, &x178, x176, x141, x164);
        var x179: u64 = undefined;
        var x180: u1 = undefined;
        addcarryxU64(&x179, &x180, x178, x143, x166);
        var x181: u64 = undefined;
        var x182: u1 = undefined;
        addcarryxU64(&x181, &x182, x180, x145, x168);
        var x183: u64 = undefined;
        var x184: u64 = undefined;
        mulxU64(&x183, &x184, x169, 0x6ed46089e88fdc45);
        var x185: u64 = undefined;
        var x186: u64 = undefined;
        mulxU64(&x185, &x186, x183, 0xffffffffffffffff);
        var x187: u64 = undefined;
        var x188: u64 = undefined;
        mulxU64(&x187, &x188, x183, 0xffffffffffffffff);
        var x189: u64 = undefined;
        var x190: u64 = undefined;
        mulxU64(&x189, &x190, x183, 0xffffffffffffffff);
        var x191: u64 = undefined;
        var x192: u64 = undefined;
        mulxU64(&x191, &x192, x183, 0xc7634d81f4372ddf);
        var x193: u64 = undefined;
        var x194: u64 = undefined;
        mulxU64(&x193, &x194, x183, 0x581a0db248b0a77a);
        var x195: u64 = undefined;
        var x196: u64 = undefined;
        mulxU64(&x195, &x196, x183, 0xecec196accc52973);
        var x197: u64 = undefined;
        var x198: u1 = undefined;
        addcarryxU64(&x197, &x198, 0x0, x196, x193);
        var x199: u64 = undefined;
        var x200: u1 = undefined;
        addcarryxU64(&x199, &x200, x198, x194, x191);
        var x201: u64 = undefined;
        var x202: u1 = undefined;
        addcarryxU64(&x201, &x202, x200, x192, x189);
        var x203: u64 = undefined;
        var x204: u1 = undefined;
        addcarryxU64(&x203, &x204, x202, x190, x187);
        var x205: u64 = undefined;
        var x206: u1 = undefined;
        addcarryxU64(&x205, &x206, x204, x188, x185);
        const x207 = (@as(u64, x206) + x186);
        var x208: u64 = undefined;
        var x209: u1 = undefined;
        addcarryxU64(&x208, &x209, 0x0, x169, x195);
        var x210: u64 = undefined;
        var x211: u1 = undefined;
        addcarryxU64(&x210, &x211, x209, x171, x197);
        var x212: u64 = undefined;
        var x213: u1 = undefined;
        addcarryxU64(&x212, &x213, x211, x173, x199);
        var x214: u64 = undefined;
        var x215: u1 = undefined;
        addcarryxU64(&x214, &x215, x213, x175, x201);
        var x216: u64 = undefined;
        var x217: u1 = undefined;
        addcarryxU64(&x216, &x217, x215, x177, x203);
        var x218: u64 = undefined;
        var x219: u1 = undefined;
        addcarryxU64(&x218, &x219, x217, x179, x205);
        var x220: u64 = undefined;
        var x221: u1 = undefined;
        addcarryxU64(&x220, &x221, x219, x181, x207);
        const x222 = (@as(u64, x221) + @as(u64, x182));
        var x223: u64 = undefined;
        var x224: u64 = undefined;
        mulxU64(&x223, &x224, x3, (arg1[5]));
        var x225: u64 = undefined;
        var x226: u64 = undefined;
        mulxU64(&x225, &x226, x3, (arg1[4]));
        var x227: u64 = undefined;
        var x228: u64 = undefined;
        mulxU64(&x227, &x228, x3, (arg1[3]));
        var x229: u64 = undefined;
        var x230: u64 = undefined;
        mulxU64(&x229, &x230, x3, (arg1[2]));
        var x231: u64 = undefined;
        var x232: u64 = undefined;
        mulxU64(&x231, &x232, x3, (arg1[1]));
        var x233: u64 = undefined;
        var x234: u64 = undefined;
        mulxU64(&x233, &x234, x3, (arg1[0]));
        var x235: u64 = undefined;
        var x236: u1 = undefined;
        addcarryxU64(&x235, &x236, 0x0, x234, x231);
        var x237: u64 = undefined;
        var x238: u1 = undefined;
        addcarryxU64(&x237, &x238, x236, x232, x229);
        var x239: u64 = undefined;
        var x240: u1 = undefined;
        addcarryxU64(&x239, &x240, x238, x230, x227);
        var x241: u64 = undefined;
        var x242: u1 = undefined;
        addcarryxU64(&x241, &x242, x240, x228, x225);
        var x243: u64 = undefined;
        var x244: u1 = undefined;
        addcarryxU64(&x243, &x244, x242, x226, x223);
        const x245 = (@as(u64, x244) + x224);
        var x246: u64 = undefined;
        var x247: u1 = undefined;
        addcarryxU64(&x246, &x247, 0x0, x210, x233);
        var x248: u64 = undefined;
        var x249: u1 = undefined;
        addcarryxU64(&x248, &x249, x247, x212, x235);
        var x250: u64 = undefined;
        var x251: u1 = undefined;
        addcarryxU64(&x250, &x251, x249, x214, x237);
        var x252: u64 = undefined;
        var x253: u1 = undefined;
        addcarryxU64(&x252, &x253, x251, x216, x239);
        var x254: u64 = undefined;
        var x255: u1 = undefined;
        addcarryxU64(&x254, &x255, x253, x218, x241);
        var x256: u64 = undefined;
        var x257: u1 = undefined;
        addcarryxU64(&x256, &x257, x255, x220, x243);
        var x258: u64 = undefined;
        var x259: u1 = undefined;
        addcarryxU64(&x258, &x259, x257, x222, x245);
        var x260: u64 = undefined;
        var x261: u64 = undefined;
        mulxU64(&x260, &x261, x246, 0x6ed46089e88fdc45);
        var x262: u64 = undefined;
        var x263: u64 = undefined;
        mulxU64(&x262, &x263, x260, 0xffffffffffffffff);
        var x264: u64 = undefined;
        var x265: u64 = undefined;
        mulxU64(&x264, &x265, x260, 0xffffffffffffffff);
        var x266: u64 = undefined;
        var x267: u64 = undefined;
        mulxU64(&x266, &x267, x260, 0xffffffffffffffff);
        var x268: u64 = undefined;
        var x269: u64 = undefined;
        mulxU64(&x268, &x269, x260, 0xc7634d81f4372ddf);
        var x270: u64 = undefined;
        var x271: u64 = undefined;
        mulxU64(&x270, &x271, x260, 0x581a0db248b0a77a);
        var x272: u64 = undefined;
        var x273: u64 = undefined;
        mulxU64(&x272, &x273, x260, 0xecec196accc52973);
        var x274: u64 = undefined;
        var x275: u1 = undefined;
        addcarryxU64(&x274, &x275, 0x0, x273, x270);
        var x276: u64 = undefined;
        var x277: u1 = undefined;
        addcarryxU64(&x276, &x277, x275, x271, x268);
        var x278: u64 = undefined;
        var x279: u1 = undefined;
        addcarryxU64(&x278, &x279, x277, x269, x266);
        var x280: u64 = undefined;
        var x281: u1 = undefined;
        addcarryxU64(&x280, &x281, x279, x267, x264);
        var x282: u64 = undefined;
        var x283: u1 = undefined;
        addcarryxU64(&x282, &x283, x281, x265, x262);
        const x284 = (@as(u64, x283) + x263);
        var x285: u64 = undefined;
        var x286: u1 = undefined;
        addcarryxU64(&x285, &x286, 0x0, x246, x272);
        var x287: u64 = undefined;
        var x288: u1 = undefined;
        addcarryxU64(&x287, &x288, x286, x248, x274);
        var x289: u64 = undefined;
        var x290: u1 = undefined;
        addcarryxU64(&x289, &x290, x288, x250, x276);
        var x291: u64 = undefined;
        var x292: u1 = undefined;
        addcarryxU64(&x291, &x292, x290, x252, x278);
        var x293: u64 = undefined;
        var x294: u1 = undefined;
        addcarryxU64(&x293, &x294, x292, x254, x280);
        var x295: u64 = undefined;
        var x296: u1 = undefined;
        addcarryxU64(&x295, &x296, x294, x256, x282);
        var x297: u64 = undefined;
        var x298: u1 = undefined;
        addcarryxU64(&x297, &x298, x296, x258, x284);
        const x299 = (@as(u64, x298) + @as(u64, x259));
        var x300: u64 = undefined;
        var x301: u64 = undefined;
        mulxU64(&x300, &x301, x4, (arg1[5]));
        var x302: u64 = undefined;
        var x303: u64 = undefined;
        mulxU64(&x302, &x303, x4, (arg1[4]));
        var x304: u64 = undefined;
        var x305: u64 = undefined;
        mulxU64(&x304, &x305, x4, (arg1[3]));
        var x306: u64 = undefined;
        var x307: u64 = undefined;
        mulxU64(&x306, &x307, x4, (arg1[2]));
        var x308: u64 = undefined;
        var x309: u64 = undefined;
        mulxU64(&x308, &x309, x4, (arg1[1]));
        var x310: u64 = undefined;
        var x311: u64 = undefined;
        mulxU64(&x310, &x311, x4, (arg1[0]));
        var x312: u64 = undefined;
        var x313: u1 = undefined;
        addcarryxU64(&x312, &x313, 0x0, x311, x308);
        var x314: u64 = undefined;
        var x315: u1 = undefined;
        addcarryxU64(&x314, &x315, x313, x309, x306);
        var x316: u64 = undefined;
        var x317: u1 = undefined;
        addcarryxU64(&x316, &x317, x315, x307, x304);
        var x318: u64 = undefined;
        var x319: u1 = undefined;
        addcarryxU64(&x318, &x319, x317, x305, x302);
        var x320: u64 = undefined;
        var x321: u1 = undefined;
        addcarryxU64(&x320, &x321, x319, x303, x300);
        const x322 = (@as(u64, x321) + x301);
        var x323: u64 = undefined;
        var x324: u1 = undefined;
        addcarryxU64(&x323, &x324, 0x0, x287, x310);
        var x325: u64 = undefined;
        var x326: u1 = undefined;
        addcarryxU64(&x325, &x326, x324, x289, x312);
        var x327: u64 = undefined;
        var x328: u1 = undefined;
        addcarryxU64(&x327, &x328, x326, x291, x314);
        var x329: u64 = undefined;
        var x330: u1 = undefined;
        addcarryxU64(&x329, &x330, x328, x293, x316);
        var x331: u64 = undefined;
        var x332: u1 = undefined;
        addcarryxU64(&x331, &x332, x330, x295, x318);
        var x333: u64 = undefined;
        var x334: u1 = undefined;
        addcarryxU64(&x333, &x334, x332, x297, x320);
        var x335: u64 = undefined;
        var x336: u1 = undefined;
        addcarryxU64(&x335, &x336, x334, x299, x322);
        var x337: u64 = undefined;
        var x338: u64 = undefined;
        mulxU64(&x337, &x338, x323, 0x6ed46089e88fdc45);
        var x339: u64 = undefined;
        var x340: u64 = undefined;
        mulxU64(&x339, &x340, x337, 0xffffffffffffffff);
        var x341: u64 = undefined;
        var x342: u64 = undefined;
        mulxU64(&x341, &x342, x337, 0xffffffffffffffff);
        var x343: u64 = undefined;
        var x344: u64 = undefined;
        mulxU64(&x343, &x344, x337, 0xffffffffffffffff);
        var x345: u64 = undefined;
        var x346: u64 = undefined;
        mulxU64(&x345, &x346, x337, 0xc7634d81f4372ddf);
        var x347: u64 = undefined;
        var x348: u64 = undefined;
        mulxU64(&x347, &x348, x337, 0x581a0db248b0a77a);
        var x349: u64 = undefined;
        var x350: u64 = undefined;
        mulxU64(&x349, &x350, x337, 0xecec196accc52973);
        var x351: u64 = undefined;
        var x352: u1 = undefined;
        addcarryxU64(&x351, &x352, 0x0, x350, x347);
        var x353: u64 = undefined;
        var x354: u1 = undefined;
        addcarryxU64(&x353, &x354, x352, x348, x345);
        var x355: u64 = undefined;
        var x356: u1 = undefined;
        addcarryxU64(&x355, &x356, x354, x346, x343);
        var x357: u64 = undefined;
        var x358: u1 = undefined;
        addcarryxU64(&x357, &x358, x356, x344, x341);
        var x359: u64 = undefined;
        var x360: u1 = undefined;
        addcarryxU64(&x359, &x360, x358, x342, x339);
        const x361 = (@as(u64, x360) + x340);
        var x362: u64 = undefined;
        var x363: u1 = undefined;
        addcarryxU64(&x362, &x363, 0x0, x323, x349);
        var x364: u64 = undefined;
        var x365: u1 = undefined;
        addcarryxU64(&x364, &x365, x363, x325, x351);
        var x366: u64 = undefined;
        var x367: u1 = undefined;
        addcarryxU64(&x366, &x367, x365, x327, x353);
        var x368: u64 = undefined;
        var x369: u1 = undefined;
        addcarryxU64(&x368, &x369, x367, x329, x355);
        var x370: u64 = undefined;
        var x371: u1 = undefined;
        addcarryxU64(&x370, &x371, x369, x331, x357);
        var x372: u64 = undefined;
        var x373: u1 = undefined;
        addcarryxU64(&x372, &x373, x371, x333, x359);
        var x374: u64 = undefined;
        var x375: u1 = undefined;
        addcarryxU64(&x374, &x375, x373, x335, x361);
        const x376 = (@as(u64, x375) + @as(u64, x336));
        var x377: u64 = undefined;
        var x378: u64 = undefined;
        mulxU64(&x377, &x378, x5, (arg1[5]));
        var x379: u64 = undefined;
        var x380: u64 = undefined;
        mulxU64(&x379, &x380, x5, (arg1[4]));
        var x381: u64 = undefined;
        var x382: u64 = undefined;
        mulxU64(&x381, &x382, x5, (arg1[3]));
        var x383: u64 = undefined;
        var x384: u64 = undefined;
        mulxU64(&x383, &x384, x5, (arg1[2]));
        var x385: u64 = undefined;
        var x386: u64 = undefined;
        mulxU64(&x385, &x386, x5, (arg1[1]));
        var x387: u64 = undefined;
        var x388: u64 = undefined;
        mulxU64(&x387, &x388, x5, (arg1[0]));
        var x389: u64 = undefined;
        var x390: u1 = undefined;
        addcarryxU64(&x389, &x390, 0x0, x388, x385);
        var x391: u64 = undefined;
        var x392: u1 = undefined;
        addcarryxU64(&x391, &x392, x390, x386, x383);
        var x393: u64 = undefined;
        var x394: u1 = undefined;
        addcarryxU64(&x393, &x394, x392, x384, x381);
        var x395: u64 = undefined;
        var x396: u1 = undefined;
        addcarryxU64(&x395, &x396, x394, x382, x379);
        var x397: u64 = undefined;
        var x398: u1 = undefined;
        addcarryxU64(&x397, &x398, x396, x380, x377);
        const x399 = (@as(u64, x398) + x378);
        var x400: u64 = undefined;
        var x401: u1 = undefined;
        addcarryxU64(&x400, &x401, 0x0, x364, x387);
        var x402: u64 = undefined;
        var x403: u1 = undefined;
        addcarryxU64(&x402, &x403, x401, x366, x389);
        var x404: u64 = undefined;
        var x405: u1 = undefined;
        addcarryxU64(&x404, &x405, x403, x368, x391);
        var x406: u64 = undefined;
        var x407: u1 = undefined;
        addcarryxU64(&x406, &x407, x405, x370, x393);
        var x408: u64 = undefined;
        var x409: u1 = undefined;
        addcarryxU64(&x408, &x409, x407, x372, x395);
        var x410: u64 = undefined;
        var x411: u1 = undefined;
        addcarryxU64(&x410, &x411, x409, x374, x397);
        var x412: u64 = undefined;
        var x413: u1 = undefined;
        addcarryxU64(&x412, &x413, x411, x376, x399);
        var x414: u64 = undefined;
        var x415: u64 = undefined;
        mulxU64(&x414, &x415, x400, 0x6ed46089e88fdc45);
        var x416: u64 = undefined;
        var x417: u64 = undefined;
        mulxU64(&x416, &x417, x414, 0xffffffffffffffff);
        var x418: u64 = undefined;
        var x419: u64 = undefined;
        mulxU64(&x418, &x419, x414, 0xffffffffffffffff);
        var x420: u64 = undefined;
        var x421: u64 = undefined;
        mulxU64(&x420, &x421, x414, 0xffffffffffffffff);
        var x422: u64 = undefined;
        var x423: u64 = undefined;
        mulxU64(&x422, &x423, x414, 0xc7634d81f4372ddf);
        var x424: u64 = undefined;
        var x425: u64 = undefined;
        mulxU64(&x424, &x425, x414, 0x581a0db248b0a77a);
        var x426: u64 = undefined;
        var x427: u64 = undefined;
        mulxU64(&x426, &x427, x414, 0xecec196accc52973);
        var x428: u64 = undefined;
        var x429: u1 = undefined;
        addcarryxU64(&x428, &x429, 0x0, x427, x424);
        var x430: u64 = undefined;
        var x431: u1 = undefined;
        addcarryxU64(&x430, &x431, x429, x425, x422);
        var x432: u64 = undefined;
        var x433: u1 = undefined;
        addcarryxU64(&x432, &x433, x431, x423, x420);
        var x434: u64 = undefined;
        var x435: u1 = undefined;
        addcarryxU64(&x434, &x435, x433, x421, x418);
        var x436: u64 = undefined;
        var x437: u1 = undefined;
        addcarryxU64(&x436, &x437, x435, x419, x416);
        const x438 = (@as(u64, x437) + x417);
        var x439: u64 = undefined;
        var x440: u1 = undefined;
        addcarryxU64(&x439, &x440, 0x0, x400, x426);
        var x441: u64 = undefined;
        var x442: u1 = undefined;
        addcarryxU64(&x441, &x442, x440, x402, x428);
        var x443: u64 = undefined;
        var x444: u1 = undefined;
        addcarryxU64(&x443, &x444, x442, x404, x430);
        var x445: u64 = undefined;
        var x446: u1 = undefined;
        addcarryxU64(&x445, &x446, x444, x406, x432);
        var x447: u64 = undefined;
        var x448: u1 = undefined;
        addcarryxU64(&x447, &x448, x446, x408, x434);
        var x449: u64 = undefined;
        var x450: u1 = undefined;
        addcarryxU64(&x449, &x450, x448, x410, x436);
        var x451: u64 = undefined;
        var x452: u1 = undefined;
        addcarryxU64(&x451, &x452, x450, x412, x438);
        const x453 = (@as(u64, x452) + @as(u64, x413));
        var x454: u64 = undefined;
        var x455: u1 = undefined;
        subborrowxU64(&x454, &x455, 0x0, x441, 0xecec196accc52973);
        var x456: u64 = undefined;
        var x457: u1 = undefined;
        subborrowxU64(&x456, &x457, x455, x443, 0x581a0db248b0a77a);
        var x458: u64 = undefined;
        var x459: u1 = undefined;
        subborrowxU64(&x458, &x459, x457, x445, 0xc7634d81f4372ddf);
        var x460: u64 = undefined;
        var x461: u1 = undefined;
        subborrowxU64(&x460, &x461, x459, x447, 0xffffffffffffffff);
        var x462: u64 = undefined;
        var x463: u1 = undefined;
        subborrowxU64(&x462, &x463, x461, x449, 0xffffffffffffffff);
        var x464: u64 = undefined;
        var x465: u1 = undefined;
        subborrowxU64(&x464, &x465, x463, x451, 0xffffffffffffffff);
        var x466: u64 = undefined;
        var x467: u1 = undefined;
        subborrowxU64(&x466, &x467, x465, x453, 0x0);
        var x468: u64 = undefined;
        cmovznzU64(&x468, x467, x454, x441);
        var x469: u64 = undefined;
        cmovznzU64(&x469, x467, x456, x443);
        var x470: u64 = undefined;
        cmovznzU64(&x470, x467, x458, x445);
        var x471: u64 = undefined;
        cmovznzU64(&x471, x467, x460, x447);
        var x472: u64 = undefined;
        cmovznzU64(&x472, x467, x462, x449);
        var x473: u64 = undefined;
        cmovznzU64(&x473, x467, x464, x451);
        out1[0] = x468;
        out1[1] = x469;
        out1[2] = x470;
        out1[3] = x471;
        out1[4] = x472;
        out1[5] = x473;
    }

    /// The function add adds two field elements in the Montgomery domain.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    ///   0 ≤ eval arg2 < m
    /// Postconditions:
    ///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn add(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldElement, arg2: MontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        var x1: u64 = undefined;
        var x2: u1 = undefined;
        addcarryxU64(&x1, &x2, 0x0, (arg1[0]), (arg2[0]));
        var x3: u64 = undefined;
        var x4: u1 = undefined;
        addcarryxU64(&x3, &x4, x2, (arg1[1]), (arg2[1]));
        var x5: u64 = undefined;
        var x6: u1 = undefined;
        addcarryxU64(&x5, &x6, x4, (arg1[2]), (arg2[2]));
        var x7: u64 = undefined;
        var x8: u1 = undefined;
        addcarryxU64(&x7, &x8, x6, (arg1[3]), (arg2[3]));
        var x9: u64 = undefined;
        var x10: u1 = undefined;
        addcarryxU64(&x9, &x10, x8, (arg1[4]), (arg2[4]));
        var x11: u64 = undefined;
        var x12: u1 = undefined;
        addcarryxU64(&x11, &x12, x10, (arg1[5]), (arg2[5]));
        var x13: u64 = undefined;
        var x14: u1 = undefined;
        subborrowxU64(&x13, &x14, 0x0, x1, 0xecec196accc52973);
        var x15: u64 = undefined;
        var x16: u1 = undefined;
        subborrowxU64(&x15, &x16, x14, x3, 0x581a0db248b0a77a);
        var x17: u64 = undefined;
        var x18: u1 = undefined;
        subborrowxU64(&x17, &x18, x16, x5, 0xc7634d81f4372ddf);
        var x19: u64 = undefined;
        var x20: u1 = undefined;
        subborrowxU64(&x19, &x20, x18, x7, 0xffffffffffffffff);
        var x21: u64 = undefined;
        var x22: u1 = undefined;
        subborrowxU64(&x21, &x22, x20, x9, 0xffffffffffffffff);
        var x23: u64 = undefined;
        var x24: u1 = undefined;
        subborrowxU64(&x23, &x24, x22, x11, 0xffffffffffffffff);
        var x25: u64 = undefined;
        var x26: u1 = undefined;
        subborrowxU64(&x25, &x26, x24, @as(u64, x12), 0x0);
        var x27: u64 = undefined;
        cmovznzU64(&x27, x26, x13, x1);
        var x28: u64 = undefined;
        cmovznzU64(&x28, x26, x15, x3);
        var x29: u64 = undefined;
        cmovznzU64(&x29, x26, x17, x5);
        var x30: u64 = undefined;
        cmovznzU64(&x30, x26, x19, x7);
        var x31: u64 = undefined;
        cmovznzU64(&x31, x26, x21, x9);
        var x32: u64 = undefined;
        cmovznzU64(&x32, x26, x23, x11);
        out1[0] = x27;
        out1[1] = x28;
        out1[2] = x29;
        out1[3] = x30;
        out1[4] = x31;
        out1[5] = x32;
    }

    /// The function sub subtracts two field elements in the Montgomery domain.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    ///   0 ≤ eval arg2 < m
    /// Postconditions:
    ///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn sub(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldElement, arg2: MontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        var x1: u64 = undefined;
        var x2: u1 = undefined;
        subborrowxU64(&x1, &x2, 0x0, (arg1[0]), (arg2[0]));
        var x3: u64 = undefined;
        var x4: u1 = undefined;
        subborrowxU64(&x3, &x4, x2, (arg1[1]), (arg2[1]));
        var x5: u64 = undefined;
        var x6: u1 = undefined;
        subborrowxU64(&x5, &x6, x4, (arg1[2]), (arg2[2]));
        var x7: u64 = undefined;
        var x8: u1 = undefined;
        subborrowxU64(&x7, &x8, x6, (arg1[3]), (arg2[3]));
        var x9: u64 = undefined;
        var x10: u1 = undefined;
        subborrowxU64(&x9, &x10, x8, (arg1[4]), (arg2[4]));
        var x11: u64 = undefined;
        var x12: u1 = undefined;
        subborrowxU64(&x11, &x12, x10, (arg1[5]), (arg2[5]));
        var x13: u64 = undefined;
        cmovznzU64(&x13, x12, 0x0, 0xffffffffffffffff);
        var x14: u64 = undefined;
        var x15: u1 = undefined;
        addcarryxU64(&x14, &x15, 0x0, x1, (x13 & 0xecec196accc52973));
        var x16: u64 = undefined;
        var x17: u1 = undefined;
        addcarryxU64(&x16, &x17, x15, x3, (x13 & 0x581a0db248b0a77a));
        var x18: u64 = undefined;
        var x19: u1 = undefined;
        addcarryxU64(&x18, &x19, x17, x5, (x13 & 0xc7634d81f4372ddf));
        var x20: u64 = undefined;
        var x21: u1 = undefined;
        addcarryxU64(&x20, &x21, x19, x7, x13);
        var x22: u64 = undefined;
        var x23: u1 = undefined;
        addcarryxU64(&x22, &x23, x21, x9, x13);
        var x24: u64 = undefined;
        var x25: u1 = undefined;
        addcarryxU64(&x24, &x25, x23, x11, x13);
        out1[0] = x14;
        out1[1] = x16;
        out1[2] = x18;
        out1[3] = x20;
        out1[4] = x22;
        out1[5] = x24;
    }

    /// The function opp negates a field element in the Montgomery domain.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    /// Postconditions:
    ///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn opp(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        var x1: u64 = undefined;
        var x2: u1 = undefined;
        subborrowxU64(&x1, &x2, 0x0, 0x0, (arg1[0]));
        var x3: u64 = undefined;
        var x4: u1 = undefined;
        subborrowxU64(&x3, &x4, x2, 0x0, (arg1[1]));
        var x5: u64 = undefined;
        var x6: u1 = undefined;
        subborrowxU64(&x5, &x6, x4, 0x0, (arg1[2]));
        var x7: u64 = undefined;
        var x8: u1 = undefined;
        subborrowxU64(&x7, &x8, x6, 0x0, (arg1[3]));
        var x9: u64 = undefined;
        var x10: u1 = undefined;
        subborrowxU64(&x9, &x10, x8, 0x0, (arg1[4]));
        var x11: u64 = undefined;
        var x12: u1 = undefined;
        subborrowxU64(&x11, &x12, x10, 0x0, (arg1[5]));
        var x13: u64 = undefined;
        cmovznzU64(&x13, x12, 0x0, 0xffffffffffffffff);
        var x14: u64 = undefined;
        var x15: u1 = undefined;
        addcarryxU64(&x14, &x15, 0x0, x1, (x13 & 0xecec196accc52973));
        var x16: u64 = undefined;
        var x17: u1 = undefined;
        addcarryxU64(&x16, &x17, x15, x3, (x13 & 0x581a0db248b0a77a));
        var x18: u64 = undefined;
        var x19: u1 = undefined;
        addcarryxU64(&x18, &x19, x17, x5, (x13 & 0xc7634d81f4372ddf));
        var x20: u64 = undefined;
        var x21: u1 = undefined;
        addcarryxU64(&x20, &x21, x19, x7, x13);
        var x22: u64 = undefined;
        var x23: u1 = undefined;
        addcarryxU64(&x22, &x23, x21, x9, x13);
        var x24: u64 = undefined;
        var x25: u1 = undefined;
        addcarryxU64(&x24, &x25, x23, x11, x13);
        out1[0] = x14;
        out1[1] = x16;
        out1[2] = x18;
        out1[3] = x20;
        out1[4] = x22;
        out1[5] = x24;
    }

    /// The function fromMontgomery translates a field element out of the Montgomery domain.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    /// Postconditions:
    ///   eval out1 mod m = (eval arg1 * ((2^64)⁻¹ mod m)^6) mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        const x1 = (arg1[0]);
        var x2: u64 = undefined;
        var x3: u64 = undefined;
        mulxU64(&x2, &x3, x1, 0x6ed46089e88fdc45);
        var x4: u64 = undefined;
        var x5: u64 = undefined;
        mulxU64(&x4, &x5, x2, 0xffffffffffffffff);
        var x6: u64 = undefined;
        var x7: u64 = undefined;
        mulxU64(&x6, &x7, x2, 0xffffffffffffffff);
        var x8: u64 = undefined;
        var x9: u64 = undefined;
        mulxU64(&x8, &x9, x2, 0xffffffffffffffff);
        var x10: u64 = undefined;
        var x11: u64 = undefined;
        mulxU64(&x10, &x11, x2, 0xc7634d81f4372ddf);
        var x12: u64 = undefined;
        var x13: u64 = undefined;
        mulxU64(&x12, &x13, x2, 0x581a0db248b0a77a);
        var x14: u64 = undefined;
        var x15: u64 = undefined;
        mulxU64(&x14, &x15, x2, 0xecec196accc52973);
        var x16: u64 = undefined;
        var x17: u1 = undefined;
        addcarryxU64(&x16, &x17, 0x0, x15, x12);
        var x18: u64 = undefined;
        var x19: u1 = undefined;
        addcarryxU64(&x18, &x19, x17, x13, x10);
        var x20: u64 = undefined;
        var x21: u1 = undefined;
        addcarryxU64(&x20, &x21, x19, x11, x8);
        var x22: u64 = undefined;
        var x23: u1 = undefined;
        addcarryxU64(&x22, &x23, x21, x9, x6);
        var x24: u64 = undefined;
        var x25: u1 = undefined;
        addcarryxU64(&x24, &x25, x23, x7, x4);
        var x26: u64 = undefined;
        var x27: u1 = undefined;
        addcarryxU64(&x26, &x27, 0x0, x1, x14);
        var x28: u64 = undefined;
        var x29: u1 = undefined;
        addcarryxU64(&x28, &x29, x27, 0x0, x16);
        var x30: u64 = undefined;
        var x31: u1 = undefined;
        addcarryxU64(&x30, &x31, x29, 0x0, x18);
        var x32: u64 = undefined;
        var x33: u1 = undefined;
        addcarryxU64(&x32, &x33, x31, 0x0, x20);
        var x34: u64 = undefined;
        var x35: u1 = undefined;
        addcarryxU64(&x34, &x35, x33, 0x0, x22);
        var x36: u64 = undefined;
        var x37: u1 = undefined;
        addcarryxU64(&x36, &x37, x35, 0x0, x24);
        var x38: u64 = undefined;
        var x39: u1 = undefined;
        addcarryxU64(&x38, &x39, x37, 0x0, (@as(u64, x25) + x5));
        var x40: u64 = undefined;
        var x41: u1 = undefined;
        addcarryxU64(&x40, &x41, 0x0, x28, (arg1[1]));
        var x42: u64 = undefined;
        var x43: u1 = undefined;
        addcarryxU64(&x42, &x43, x41, x30, 0x0);
        var x44: u64 = undefined;
        var x45: u1 = undefined;
        addcarryxU64(&x44, &x45, x43, x32, 0x0);
        var x46: u64 = undefined;
        var x47: u1 = undefined;
        addcarryxU64(&x46, &x47, x45, x34, 0x0);
        var x48: u64 = undefined;
        var x49: u1 = undefined;
        addcarryxU64(&x48, &x49, x47, x36, 0x0);
        var x50: u64 = undefined;
        var x51: u1 = undefined;
        addcarryxU64(&x50, &x51, x49, x38, 0x0);
        var x52: u64 = undefined;
        var x53: u64 = undefined;
        mulxU64(&x52, &x53, x40, 0x6ed46089e88fdc45);
        var x54: u64 = undefined;
        var x55: u64 = undefined;
        mulxU64(&x54, &x55, x52, 0xffffffffffffffff);
        var x56: u64 = undefined;
        var x57: u64 = undefined;
        mulxU64(&x56, &x57, x52, 0xffffffffffffffff);
        var x58: u64 = undefined;
        var x59: u64 = undefined;
        mulxU64(&x58, &x59, x52, 0xffffffffffffffff);
        var x60: u64 = undefined;
        var x61: u64 = undefined;
        mulxU64(&x60, &x61, x52, 0xc7634d81f4372ddf);
        var x62: u64 = undefined;
        var x63: u64 = undefined;
        mulxU64(&x62, &x63, x52, 0x581a0db248b0a77a);
        var x64: u64 = undefined;
        var x65: u64 = undefined;
        mulxU64(&x64, &x65, x52, 0xecec196accc52973);
        var x66: u64 = undefined;
        var x67: u1 = undefined;
        addcarryxU64(&x66, &x67, 0x0, x65, x62);
        var x68: u64 = undefined;
        var x69: u1 = undefined;
        addcarryxU64(&x68, &x69, x67, x63, x60);
        var x70: u64 = undefined;
        var x71: u1 = undefined;
        addcarryxU64(&x70, &x71, x69, x61, x58);
        var x72: u64 = undefined;
        var x73: u1 = undefined;
        addcarryxU64(&x72, &x73, x71, x59, x56);
        var x74: u64 = undefined;
        var x75: u1 = undefined;
        addcarryxU64(&x74, &x75, x73, x57, x54);
        var x76: u64 = undefined;
        var x77: u1 = undefined;
        addcarryxU64(&x76, &x77, 0x0, x40, x64);
        var x78: u64 = undefined;
        var x79: u1 = undefined;
        addcarryxU64(&x78, &x79, x77, x42, x66);
        var x80: u64 = undefined;
        var x81: u1 = undefined;
        addcarryxU64(&x80, &x81, x79, x44, x68);
        var x82: u64 = undefined;
        var x83: u1 = undefined;
        addcarryxU64(&x82, &x83, x81, x46, x70);
        var x84: u64 = undefined;
        var x85: u1 = undefined;
        addcarryxU64(&x84, &x85, x83, x48, x72);
        var x86: u64 = undefined;
        var x87: u1 = undefined;
        addcarryxU64(&x86, &x87, x85, x50, x74);
        var x88: u64 = undefined;
        var x89: u1 = undefined;
        addcarryxU64(&x88, &x89, x87, (@as(u64, x51) + @as(u64, x39)), (@as(u64, x75) + x55));
        var x90: u64 = undefined;
        var x91: u1 = undefined;
        addcarryxU64(&x90, &x91, 0x0, x78, (arg1[2]));
        var x92: u64 = undefined;
        var x93: u1 = undefined;
        addcarryxU64(&x92, &x93, x91, x80, 0x0);
        var x94: u64 = undefined;
        var x95: u1 = undefined;
        addcarryxU64(&x94, &x95, x93, x82, 0x0);
        var x96: u64 = undefined;
        var x97: u1 = undefined;
        addcarryxU64(&x96, &x97, x95, x84, 0x0);
        var x98: u64 = undefined;
        var x99: u1 = undefined;
        addcarryxU64(&x98, &x99, x97, x86, 0x0);
        var x100: u64 = undefined;
        var x101: u1 = undefined;
        addcarryxU64(&x100, &x101, x99, x88, 0x0);
        var x102: u64 = undefined;
        var x103: u64 = undefined;
        mulxU64(&x102, &x103, x90, 0x6ed46089e88fdc45);
        var x104: u64 = undefined;
        var x105: u64 = undefined;
        mulxU64(&x104, &x105, x102, 0xffffffffffffffff);
        var x106: u64 = undefined;
        var x107: u64 = undefined;
        mulxU64(&x106, &x107, x102, 0xffffffffffffffff);
        var x108: u64 = undefined;
        var x109: u64 = undefined;
        mulxU64(&x108, &x109, x102, 0xffffffffffffffff);
        var x110: u64 = undefined;
        var x111: u64 = undefined;
        mulxU64(&x110, &x111, x102, 0xc7634d81f4372ddf);
        var x112: u64 = undefined;
        var x113: u64 = undefined;
        mulxU64(&x112, &x113, x102, 0x581a0db248b0a77a);
        var x114: u64 = undefined;
        var x115: u64 = undefined;
        mulxU64(&x114, &x115, x102, 0xecec196accc52973);
        var x116: u64 = undefined;
        var x117: u1 = undefined;
        addcarryxU64(&x116, &x117, 0x0, x115, x112);
        var x118: u64 = undefined;
        var x119: u1 = undefined;
        addcarryxU64(&x118, &x119, x117, x113, x110);
        var x120: u64 = undefined;
        var x121: u1 = undefined;
        addcarryxU64(&x120, &x121, x119, x111, x108);
        var x122: u64 = undefined;
        var x123: u1 = undefined;
        addcarryxU64(&x122, &x123, x121, x109, x106);
        var x124: u64 = undefined;
        var x125: u1 = undefined;
        addcarryxU64(&x124, &x125, x123, x107, x104);
        var x126: u64 = undefined;
        var x127: u1 = undefined;
        addcarryxU64(&x126, &x127, 0x0, x90, x114);
        var x128: u64 = undefined;
        var x129: u1 = undefined;
        addcarryxU64(&x128, &x129, x127, x92, x116);
        var x130: u64 = undefined;
        var x131: u1 = undefined;
        addcarryxU64(&x130, &x131, x129, x94, x118);
        var x132: u64 = undefined;
        var x133: u1 = undefined;
        addcarryxU64(&x132, &x133, x131, x96, x120);
        var x134: u64 = undefined;
        var x135: u1 = undefined;
        addcarryxU64(&x134, &x135, x133, x98, x122);
        var x136: u64 = undefined;
        var x137: u1 = undefined;
        addcarryxU64(&x136, &x137, x135, x100, x124);
        var x138: u64 = undefined;
        var x139: u1 = undefined;
        addcarryxU64(&x138, &x139, x137, (@as(u64, x101) + @as(u64, x89)), (@as(u64, x125) + x105));
        var x140: u64 = undefined;
        var x141: u1 = undefined;
        addcarryxU64(&x140, &x141, 0x0, x128, (arg1[3]));
        var x142: u64 = undefined;
        var x143: u1 = undefined;
        addcarryxU64(&x142, &x143, x141, x130, 0x0);
        var x144: u64 = undefined;
        var x145: u1 = undefined;
        addcarryxU64(&x144, &x145, x143, x132, 0x0);
        var x146: u64 = undefined;
        var x147: u1 = undefined;
        addcarryxU64(&x146, &x147, x145, x134, 0x0);
        var x148: u64 = undefined;
        var x149: u1 = undefined;
        addcarryxU64(&x148, &x149, x147, x136, 0x0);
        var x150: u64 = undefined;
        var x151: u1 = undefined;
        addcarryxU64(&x150, &x151, x149, x138, 0x0);
        var x152: u64 = undefined;
        var x153: u64 = undefined;
        mulxU64(&x152, &x153, x140, 0x6ed46089e88fdc45);
        var x154: u64 = undefined;
        var x155: u64 = undefined;
        mulxU64(&x154, &x155, x152, 0xffffffffffffffff);
        var x156: u64 = undefined;
        var x157: u64 = undefined;
        mulxU64(&x156, &x157, x152, 0xffffffffffffffff);
        var x158: u64 = undefined;
        var x159: u64 = undefined;
        mulxU64(&x158, &x159, x152, 0xffffffffffffffff);
        var x160: u64 = undefined;
        var x161: u64 = undefined;
        mulxU64(&x160, &x161, x152, 0xc7634d81f4372ddf);
        var x162: u64 = undefined;
        var x163: u64 = undefined;
        mulxU64(&x162, &x163, x152, 0x581a0db248b0a77a);
        var x164: u64 = undefined;
        var x165: u64 = undefined;
        mulxU64(&x164, &x165, x152, 0xecec196accc52973);
        var x166: u64 = undefined;
        var x167: u1 = undefined;
        addcarryxU64(&x166, &x167, 0x0, x165, x162);
        var x168: u64 = undefined;
        var x169: u1 = undefined;
        addcarryxU64(&x168, &x169, x167, x163, x160);
        var x170: u64 = undefined;
        var x171: u1 = undefined;
        addcarryxU64(&x170, &x171, x169, x161, x158);
        var x172: u64 = undefined;
        var x173: u1 = undefined;
        addcarryxU64(&x172, &x173, x171, x159, x156);
        var x174: u64 = undefined;
        var x175: u1 = undefined;
        addcarryxU64(&x174, &x175, x173, x157, x154);
        var x176: u64 = undefined;
        var x177: u1 = undefined;
        addcarryxU64(&x176, &x177, 0x0, x140, x164);
        var x178: u64 = undefined;
        var x179: u1 = undefined;
        addcarryxU64(&x178, &x179, x177, x142, x166);
        var x180: u64 = undefined;
        var x181: u1 = undefined;
        addcarryxU64(&x180, &x181, x179, x144, x168);
        var x182: u64 = undefined;
        var x183: u1 = undefined;
        addcarryxU64(&x182, &x183, x181, x146, x170);
        var x184: u64 = undefined;
        var x185: u1 = undefined;
        addcarryxU64(&x184, &x185, x183, x148, x172);
        var x186: u64 = undefined;
        var x187: u1 = undefined;
        addcarryxU64(&x186, &x187, x185, x150, x174);
        var x188: u64 = undefined;
        var x189: u1 = undefined;
        addcarryxU64(&x188, &x189, x187, (@as(u64, x151) + @as(u64, x139)), (@as(u64, x175) + x155));
        var x190: u64 = undefined;
        var x191: u1 = undefined;
        addcarryxU64(&x190, &x191, 0x0, x178, (arg1[4]));
        var x192: u64 = undefined;
        var x193: u1 = undefined;
        addcarryxU64(&x192, &x193, x191, x180, 0x0);
        var x194: u64 = undefined;
        var x195: u1 = undefined;
        addcarryxU64(&x194, &x195, x193, x182, 0x0);
        var x196: u64 = undefined;
        var x197: u1 = undefined;
        addcarryxU64(&x196, &x197, x195, x184, 0x0);
        var x198: u64 = undefined;
        var x199: u1 = undefined;
        addcarryxU64(&x198, &x199, x197, x186, 0x0);
        var x200: u64 = undefined;
        var x201: u1 = undefined;
        addcarryxU64(&x200, &x201, x199, x188, 0x0);
        var x202: u64 = undefined;
        var x203: u64 = undefined;
        mulxU64(&x202, &x203, x190, 0x6ed46089e88fdc45);
        var x204: u64 = undefined;
        var x205: u64 = undefined;
        mulxU64(&x204, &x205, x202, 0xffffffffffffffff);
        var x206: u64 = undefined;
        var x207: u64 = undefined;
        mulxU64(&x206, &x207, x202, 0xffffffffffffffff);
        var x208: u64 = undefined;
        var x209: u64 = undefined;
        mulxU64(&x208, &x209, x202, 0xffffffffffffffff);
        var x210: u64 = undefined;
        var x211: u64 = undefined;
        mulxU64(&x210, &x211, x202, 0xc7634d81f4372ddf);
        var x212: u64 = undefined;
        var x213: u64 = undefined;
        mulxU64(&x212, &x213, x202, 0x581a0db248b0a77a);
        var x214: u64 = undefined;
        var x215: u64 = undefined;
        mulxU64(&x214, &x215, x202, 0xecec196accc52973);
        var x216: u64 = undefined;
        var x217: u1 = undefined;
        addcarryxU64(&x216, &x217, 0x0, x215, x212);
        var x218: u64 = undefined;
        var x219: u1 = undefined;
        addcarryxU64(&x218, &x219, x217, x213, x210);
        var x220: u64 = undefined;
        var x221: u1 = undefined;
        addcarryxU64(&x220, &x221, x219, x211, x208);
        var x222: u64 = undefined;
        var x223: u1 = undefined;
        addcarryxU64(&x222, &x223, x221, x209, x206);
        var x224: u64 = undefined;
        var x225: u1 = undefined;
        addcarryxU64(&x224, &x225, x223, x207, x204);
        var x226: u64 = undefined;
        var x227: u1 = undefined;
        addcarryxU64(&x226, &x227, 0x0, x190, x214);
        var x228: u64 = undefined;
        var x229: u1 = undefined;
        addcarryxU64(&x228, &x229, x227, x192, x216);
        var x230: u64 = undefined;
        var x231: u1 = undefined;
        addcarryxU64(&x230, &x231, x229, x194, x218);
        var x232: u64 = undefined;
        var x233: u1 = undefined;
        addcarryxU64(&x232, &x233, x231, x196, x220);
        var x234: u64 = undefined;
        var x235: u1 = undefined;
        addcarryxU64(&x234, &x235, x233, x198, x222);
        var x236: u64 = undefined;
        var x237: u1 = undefined;
        addcarryxU64(&x236, &x237, x235, x200, x224);
        var x238: u64 = undefined;
        var x239: u1 = undefined;
        addcarryxU64(&x238, &x239, x237, (@as(u64, x201) + @as(u64, x189)), (@as(u64, x225) + x205));
        var x240: u64 = undefined;
        var x241: u1 = undefined;
        addcarryxU64(&x240, &x241, 0x0, x228, (arg1[5]));
        var x242: u64 = undefined;
        var x243: u1 = undefined;
        addcarryxU64(&x242, &x243, x241, x230, 0x0);
        var x244: u64 = undefined;
        var x245: u1 = undefined;
        addcarryxU64(&x244, &x245, x243, x232, 0x0);
        var x246: u64 = undefined;
        var x247: u1 = undefined;
        addcarryxU64(&x246, &x247, x245, x234, 0x0);
        var x248: u64 = undefined;
        var x249: u1 = undefined;
        addcarryxU64(&x248, &x249, x247, x236, 0x0);
        var x250: u64 = undefined;
        var x251: u1 = undefined;
        addcarryxU64(&x250, &x251, x249, x238, 0x0);
        var x252: u64 = undefined;
        var x253: u64 = undefined;
        mulxU64(&x252, &x253, x240, 0x6ed46089e88fdc45);
        var x254: u64 = undefined;
        var x255: u64 = undefined;
        mulxU64(&x254, &x255, x252, 0xffffffffffffffff);
        var x256: u64 = undefined;
        var x257: u64 = undefined;
        mulxU64(&x256, &x257, x252, 0xffffffffffffffff);
        var x258: u64 = undefined;
        var x259: u64 = undefined;
        mulxU64(&x258, &x259, x252, 0xffffffffffffffff);
        var x260: u64 = undefined;
        var x261: u64 = undefined;
        mulxU64(&x260, &x261, x252, 0xc7634d81f4372ddf);
        var x262: u64 = undefined;
        var x263: u64 = undefined;
        mulxU64(&x262, &x263, x252, 0x581a0db248b0a77a);
        var x264: u64 = undefined;
        var x265: u64 = undefined;
        mulxU64(&x264, &x265, x252, 0xecec196accc52973);
        var x266: u64 = undefined;
        var x267: u1 = undefined;
        addcarryxU64(&x266, &x267, 0x0, x265, x262);
        var x268: u64 = undefined;
        var x269: u1 = undefined;
        addcarryxU64(&x268, &x269, x267, x263, x260);
        var x270: u64 = undefined;
        var x271: u1 = undefined;
        addcarryxU64(&x270, &x271, x269, x261, x258);
        var x272: u64 = undefined;
        var x273: u1 = undefined;
        addcarryxU64(&x272, &x273, x271, x259, x256);
        var x274: u64 = undefined;
        var x275: u1 = undefined;
        addcarryxU64(&x274, &x275, x273, x257, x254);
        var x276: u64 = undefined;
        var x277: u1 = undefined;
        addcarryxU64(&x276, &x277, 0x0, x240, x264);
        var x278: u64 = undefined;
        var x279: u1 = undefined;
        addcarryxU64(&x278, &x279, x277, x242, x266);
        var x280: u64 = undefined;
        var x281: u1 = undefined;
        addcarryxU64(&x280, &x281, x279, x244, x268);
        var x282: u64 = undefined;
        var x283: u1 = undefined;
        addcarryxU64(&x282, &x283, x281, x246, x270);
        var x284: u64 = undefined;
        var x285: u1 = undefined;
        addcarryxU64(&x284, &x285, x283, x248, x272);
        var x286: u64 = undefined;
        var x287: u1 = undefined;
        addcarryxU64(&x286, &x287, x285, x250, x274);
        var x288: u64 = undefined;
        var x289: u1 = undefined;
        addcarryxU64(&x288, &x289, x287, (@as(u64, x251) + @as(u64, x239)), (@as(u64, x275) + x255));
        var x290: u64 = undefined;
        var x291: u1 = undefined;
        subborrowxU64(&x290, &x291, 0x0, x278, 0xecec196accc52973);
        var x292: u64 = undefined;
        var x293: u1 = undefined;
        subborrowxU64(&x292, &x293, x291, x280, 0x581a0db248b0a77a);
        var x294: u64 = undefined;
        var x295: u1 = undefined;
        subborrowxU64(&x294, &x295, x293, x282, 0xc7634d81f4372ddf);
        var x296: u64 = undefined;
        var x297: u1 = undefined;
        subborrowxU64(&x296, &x297, x295, x284, 0xffffffffffffffff);
        var x298: u64 = undefined;
        var x299: u1 = undefined;
        subborrowxU64(&x298, &x299, x297, x286, 0xffffffffffffffff);
        var x300: u64 = undefined;
        var x301: u1 = undefined;
        subborrowxU64(&x300, &x301, x299, x288, 0xffffffffffffffff);
        var x302: u64 = undefined;
        var x303: u1 = undefined;
        subborrowxU64(&x302, &x303, x301, @as(u64, x289), 0x0);
        var x304: u64 = undefined;
        cmovznzU64(&x304, x303, x290, x278);
        var x305: u64 = undefined;
        cmovznzU64(&x305, x303, x292, x280);
        var x306: u64 = undefined;
        cmovznzU64(&x306, x303, x294, x282);
        var x307: u64 = undefined;
        cmovznzU64(&x307, x303, x296, x284);
        var x308: u64 = undefined;
        cmovznzU64(&x308, x303, x298, x286);
        var x309: u64 = undefined;
        cmovznzU64(&x309, x303, x300, x288);
        out1[0] = x304;
        out1[1] = x305;
        out1[2] = x306;
        out1[3] = x307;
        out1[4] = x308;
        out1[5] = x309;
    }

    /// The function toMontgomery translates a field element into the Montgomery domain.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    /// Postconditions:
    ///   eval (from_montgomery out1) mod m = eval arg1 mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        const x1 = (arg1[1]);
        const x2 = (arg1[2]);
        const x3 = (arg1[3]);
        const x4 = (arg1[4]);
        const x5 = (arg1[5]);
        const x6 = (arg1[0]);
        var x7: u64 = undefined;
        var x8: u64 = undefined;
        mulxU64(&x7, &x8, x6, 0xc84ee012b39bf21);
        var x9: u64 = undefined;
        var x10: u64 = undefined;
        mulxU64(&x9, &x10, x6, 0x3fb05b7a28266895);
        var x11: u64 = undefined;
        var x12: u64 = undefined;
        mulxU64(&x11, &x12, x6, 0xd40d49174aab1cc5);
        var x13: u64 = undefined;
        var x14: u64 = undefined;
        mulxU64(&x13, &x14, x6, 0xbc3e483afcb82947);
        var x15: u64 = undefined;
        var x16: u64 = undefined;
        mulxU64(&x15, &x16, x6, 0xff3d81e5df1aa419);
        var x17: u64 = undefined;
        var x18: u64 = undefined;
        mulxU64(&x17, &x18, x6, 0x2d319b2419b409a9);
        var x19: u64 = undefined;
        var x20: u1 = undefined;
        addcarryxU64(&x19, &x20, 0x0, x18, x15);
        var x21: u64 = undefined;
        var x22: u1 = undefined;
        addcarryxU64(&x21, &x22, x20, x16, x13);
        var x23: u64 = undefined;
        var x24: u1 = undefined;
        addcarryxU64(&x23, &x24, x22, x14, x11);
        var x25: u64 = undefined;
        var x26: u1 = undefined;
        addcarryxU64(&x25, &x26, x24, x12, x9);
        var x27: u64 = undefined;
        var x28: u1 = undefined;
        addcarryxU64(&x27, &x28, x26, x10, x7);
        var x29: u64 = undefined;
        var x30: u64 = undefined;
        mulxU64(&x29, &x30, x17, 0x6ed46089e88fdc45);
        var x31: u64 = undefined;
        var x32: u64 = undefined;
        mulxU64(&x31, &x32, x29, 0xffffffffffffffff);
        var x33: u64 = undefined;
        var x34: u64 = undefined;
        mulxU64(&x33, &x34, x29, 0xffffffffffffffff);
        var x35: u64 = undefined;
        var x36: u64 = undefined;
        mulxU64(&x35, &x36, x29, 0xffffffffffffffff);
        var x37: u64 = undefined;
        var x38: u64 = undefined;
        mulxU64(&x37, &x38, x29, 0xc7634d81f4372ddf);
        var x39: u64 = undefined;
        var x40: u64 = undefined;
        mulxU64(&x39, &x40, x29, 0x581a0db248b0a77a);
        var x41: u64 = undefined;
        var x42: u64 = undefined;
        mulxU64(&x41, &x42, x29, 0xecec196accc52973);
        var x43: u64 = undefined;
        var x44: u1 = undefined;
        addcarryxU64(&x43, &x44, 0x0, x42, x39);
        var x45: u64 = undefined;
        var x46: u1 = undefined;
        addcarryxU64(&x45, &x46, x44, x40, x37);
        var x47: u64 = undefined;
        var x48: u1 = undefined;
        addcarryxU64(&x47, &x48, x46, x38, x35);
        var x49: u64 = undefined;
        var x50: u1 = undefined;
        addcarryxU64(&x49, &x50, x48, x36, x33);
        var x51: u64 = undefined;
        var x52: u1 = undefined;
        addcarryxU64(&x51, &x52, x50, x34, x31);
        var x53: u64 = undefined;
        var x54: u1 = undefined;
        addcarryxU64(&x53, &x54, 0x0, x17, x41);
        var x55: u64 = undefined;
        var x56: u1 = undefined;
        addcarryxU64(&x55, &x56, x54, x19, x43);
        var x57: u64 = undefined;
        var x58: u1 = undefined;
        addcarryxU64(&x57, &x58, x56, x21, x45);
        var x59: u64 = undefined;
        var x60: u1 = undefined;
        addcarryxU64(&x59, &x60, x58, x23, x47);
        var x61: u64 = undefined;
        var x62: u1 = undefined;
        addcarryxU64(&x61, &x62, x60, x25, x49);
        var x63: u64 = undefined;
        var x64: u1 = undefined;
        addcarryxU64(&x63, &x64, x62, x27, x51);
        var x65: u64 = undefined;
        var x66: u1 = undefined;
        addcarryxU64(&x65, &x66, x64, (@as(u64, x28) + x8), (@as(u64, x52) + x32));
        var x67: u64 = undefined;
        var x68: u64 = undefined;
        mulxU64(&x67, &x68, x1, 0xc84ee012b39bf21);
        var x69: u64 = undefined;
        var x70: u64 = undefined;
        mulxU64(&x69, &x70, x1, 0x3fb05b7a28266895);
        var x71: u64 = undefined;
        var x72: u64 = undefined;
        mulxU64(&x71, &x72, x1, 0xd40d49174aab1cc5);
        var x73: u64 = undefined;
        var x74: u64 = undefined;
        mulxU64(&x73, &x74, x1, 0xbc3e483afcb82947);
        var x75: u64 = undefined;
        var x76: u64 = undefined;
        mulxU64(&x75, &x76, x1, 0xff3d81e5df1aa419);
        var x77: u64 = undefined;
        var x78: u64 = undefined;
        mulxU64(&x77, &x78, x1, 0x2d319b2419b409a9);
        var x79: u64 = undefined;
        var x80: u1 = undefined;
        addcarryxU64(&x79, &x80, 0x0, x78, x75);
        var x81: u64 = undefined;
        var x82: u1 = undefined;
        addcarryxU64(&x81, &x82, x80, x76, x73);
        var x83: u64 = undefined;
        var x84: u1 = undefined;
        addcarryxU64(&x83, &x84, x82, x74, x71);
        var x85: u64 = undefined;
        var x86: u1 = undefined;
        addcarryxU64(&x85, &x86, x84, x72, x69);
        var x87: u64 = undefined;
        var x88: u1 = undefined;
        addcarryxU64(&x87, &x88, x86, x70, x67);
        var x89: u64 = undefined;
        var x90: u1 = undefined;
        addcarryxU64(&x89, &x90, 0x0, x55, x77);
        var x91: u64 = undefined;
        var x92: u1 = undefined;
        addcarryxU64(&x91, &x92, x90, x57, x79);
        var x93: u64 = undefined;
        var x94: u1 = undefined;
        addcarryxU64(&x93, &x94, x92, x59, x81);
        var x95: u64 = undefined;
        var x96: u1 = undefined;
        addcarryxU64(&x95, &x96, x94, x61, x83);
        var x97: u64 = undefined;
        var x98: u1 = undefined;
        addcarryxU64(&x97, &x98, x96, x63, x85);
        var x99: u64 = undefined;
        var x100: u1 = undefined;
        addcarryxU64(&x99, &x100, x98, x65, x87);
        var x101: u64 = undefined;
        var x102: u64 = undefined;
        mulxU64(&x101, &x102, x89, 0x6ed46089e88fdc45);
        var x103: u64 = undefined;
        var x104: u64 = undefined;
        mulxU64(&x103, &x104, x101, 0xffffffffffffffff);
        var x105: u64 = undefined;
        var x106: u64 = undefined;
        mulxU64(&x105, &x106, x101, 0xffffffffffffffff);
        var x107: u64 = undefined;
        var x108: u64 = undefined;
        mulxU64(&x107, &x108, x101, 0xffffffffffffffff);
        var x109: u64 = undefined;
        var x110: u64 = undefined;
        mulxU64(&x109, &x110, x101, 0xc7634d81f4372ddf);
        var x111: u64 = undefined;
        var x112: u64 = undefined;
        mulxU64(&x111, &x112, x101, 0x581a0db248b0a77a);
        var x113: u64 = undefined;
        var x114: u64 = undefined;
        mulxU64(&x113, &x114, x101, 0xecec196accc52973);
        var x115: u64 = undefined;
        var x116: u1 = undefined;
        addcarryxU64(&x115, &x116, 0x0, x114, x111);
        var x117: u64 = undefined;
        var x118: u1 = undefined;
        addcarryxU64(&x117, &x118, x116, x112, x109);
        var x119: u64 = undefined;
        var x120: u1 = undefined;
        addcarryxU64(&x119, &x120, x118, x110, x107);
        var x121: u64 = undefined;
        var x122: u1 = undefined;
        addcarryxU64(&x121, &x122, x120, x108, x105);
        var x123: u64 = undefined;
        var x124: u1 = undefined;
        addcarryxU64(&x123, &x124, x122, x106, x103);
        var x125: u64 = undefined;
        var x126: u1 = undefined;
        addcarryxU64(&x125, &x126, 0x0, x89, x113);
        var x127: u64 = undefined;
        var x128: u1 = undefined;
        addcarryxU64(&x127, &x128, x126, x91, x115);
        var x129: u64 = undefined;
        var x130: u1 = undefined;
        addcarryxU64(&x129, &x130, x128, x93, x117);
        var x131: u64 = undefined;
        var x132: u1 = undefined;
        addcarryxU64(&x131, &x132, x130, x95, x119);
        var x133: u64 = undefined;
        var x134: u1 = undefined;
        addcarryxU64(&x133, &x134, x132, x97, x121);
        var x135: u64 = undefined;
        var x136: u1 = undefined;
        addcarryxU64(&x135, &x136, x134, x99, x123);
        var x137: u64 = undefined;
        var x138: u1 = undefined;
        addcarryxU64(&x137, &x138, x136, ((@as(u64, x100) + @as(u64, x66)) + (@as(u64, x88) + x68)), (@as(u64, x124) + x104));
        var x139: u64 = undefined;
        var x140: u64 = undefined;
        mulxU64(&x139, &x140, x2, 0xc84ee012b39bf21);
        var x141: u64 = undefined;
        var x142: u64 = undefined;
        mulxU64(&x141, &x142, x2, 0x3fb05b7a28266895);
        var x143: u64 = undefined;
        var x144: u64 = undefined;
        mulxU64(&x143, &x144, x2, 0xd40d49174aab1cc5);
        var x145: u64 = undefined;
        var x146: u64 = undefined;
        mulxU64(&x145, &x146, x2, 0xbc3e483afcb82947);
        var x147: u64 = undefined;
        var x148: u64 = undefined;
        mulxU64(&x147, &x148, x2, 0xff3d81e5df1aa419);
        var x149: u64 = undefined;
        var x150: u64 = undefined;
        mulxU64(&x149, &x150, x2, 0x2d319b2419b409a9);
        var x151: u64 = undefined;
        var x152: u1 = undefined;
        addcarryxU64(&x151, &x152, 0x0, x150, x147);
        var x153: u64 = undefined;
        var x154: u1 = undefined;
        addcarryxU64(&x153, &x154, x152, x148, x145);
        var x155: u64 = undefined;
        var x156: u1 = undefined;
        addcarryxU64(&x155, &x156, x154, x146, x143);
        var x157: u64 = undefined;
        var x158: u1 = undefined;
        addcarryxU64(&x157, &x158, x156, x144, x141);
        var x159: u64 = undefined;
        var x160: u1 = undefined;
        addcarryxU64(&x159, &x160, x158, x142, x139);
        var x161: u64 = undefined;
        var x162: u1 = undefined;
        addcarryxU64(&x161, &x162, 0x0, x127, x149);
        var x163: u64 = undefined;
        var x164: u1 = undefined;
        addcarryxU64(&x163, &x164, x162, x129, x151);
        var x165: u64 = undefined;
        var x166: u1 = undefined;
        addcarryxU64(&x165, &x166, x164, x131, x153);
        var x167: u64 = undefined;
        var x168: u1 = undefined;
        addcarryxU64(&x167, &x168, x166, x133, x155);
        var x169: u64 = undefined;
        var x170: u1 = undefined;
        addcarryxU64(&x169, &x170, x168, x135, x157);
        var x171: u64 = undefined;
        var x172: u1 = undefined;
        addcarryxU64(&x171, &x172, x170, x137, x159);
        var x173: u64 = undefined;
        var x174: u64 = undefined;
        mulxU64(&x173, &x174, x161, 0x6ed46089e88fdc45);
        var x175: u64 = undefined;
        var x176: u64 = undefined;
        mulxU64(&x175, &x176, x173, 0xffffffffffffffff);
        var x177: u64 = undefined;
        var x178: u64 = undefined;
        mulxU64(&x177, &x178, x173, 0xffffffffffffffff);
        var x179: u64 = undefined;
        var x180: u64 = undefined;
        mulxU64(&x179, &x180, x173, 0xffffffffffffffff);
        var x181: u64 = undefined;
        var x182: u64 = undefined;
        mulxU64(&x181, &x182, x173, 0xc7634d81f4372ddf);
        var x183: u64 = undefined;
        var x184: u64 = undefined;
        mulxU64(&x183, &x184, x173, 0x581a0db248b0a77a);
        var x185: u64 = undefined;
        var x186: u64 = undefined;
        mulxU64(&x185, &x186, x173, 0xecec196accc52973);
        var x187: u64 = undefined;
        var x188: u1 = undefined;
        addcarryxU64(&x187, &x188, 0x0, x186, x183);
        var x189: u64 = undefined;
        var x190: u1 = undefined;
        addcarryxU64(&x189, &x190, x188, x184, x181);
        var x191: u64 = undefined;
        var x192: u1 = undefined;
        addcarryxU64(&x191, &x192, x190, x182, x179);
        var x193: u64 = undefined;
        var x194: u1 = undefined;
        addcarryxU64(&x193, &x194, x192, x180, x177);
        var x195: u64 = undefined;
        var x196: u1 = undefined;
        addcarryxU64(&x195, &x196, x194, x178, x175);
        var x197: u64 = undefined;
        var x198: u1 = undefined;
        addcarryxU64(&x197, &x198, 0x0, x161, x185);
        var x199: u64 = undefined;
        var x200: u1 = undefined;
        addcarryxU64(&x199, &x200, x198, x163, x187);
        var x201: u64 = undefined;
        var x202: u1 = undefined;
        addcarryxU64(&x201, &x202, x200, x165, x189);
        var x203: u64 = undefined;
        var x204: u1 = undefined;
        addcarryxU64(&x203, &x204, x202, x167, x191);
        var x205: u64 = undefined;
        var x206: u1 = undefined;
        addcarryxU64(&x205, &x206, x204, x169, x193);
        var x207: u64 = undefined;
        var x208: u1 = undefined;
        addcarryxU64(&x207, &x208, x206, x171, x195);
        var x209: u64 = undefined;
        var x210: u1 = undefined;
        addcarryxU64(&x209, &x210, x208, ((@as(u64, x172) + @as(u64, x138)) + (@as(u64, x160) + x140)), (@as(u64, x196) + x176));
        var x211: u64 = undefined;
        var x212: u64 = undefined;
        mulxU64(&x211, &x212, x3, 0xc84ee012b39bf21);
        var x213: u64 = undefined;
        var x214: u64 = undefined;
        mulxU64(&x213, &x214, x3, 0x3fb05b7a28266895);
        var x215: u64 = undefined;
        var x216: u64 = undefined;
        mulxU64(&x215, &x216, x3, 0xd40d49174aab1cc5);
        var x217: u64 = undefined;
        var x218: u64 = undefined;
        mulxU64(&x217, &x218, x3, 0xbc3e483afcb82947);
        var x219: u64 = undefined;
        var x220: u64 = undefined;
        mulxU64(&x219, &x220, x3, 0xff3d81e5df1aa419);
        var x221: u64 = undefined;
        var x222: u64 = undefined;
        mulxU64(&x221, &x222, x3, 0x2d319b2419b409a9);
        var x223: u64 = undefined;
        var x224: u1 = undefined;
        addcarryxU64(&x223, &x224, 0x0, x222, x219);
        var x225: u64 = undefined;
        var x226: u1 = undefined;
        addcarryxU64(&x225, &x226, x224, x220, x217);
        var x227: u64 = undefined;
        var x228: u1 = undefined;
        addcarryxU64(&x227, &x228, x226, x218, x215);
        var x229: u64 = undefined;
        var x230: u1 = undefined;
        addcarryxU64(&x229, &x230, x228, x216, x213);
        var x231: u64 = undefined;
        var x232: u1 = undefined;
        addcarryxU64(&x231, &x232, x230, x214, x211);
        var x233: u64 = undefined;
        var x234: u1 = undefined;
        addcarryxU64(&x233, &x234, 0x0, x199, x221);
        var x235: u64 = undefined;
        var x236: u1 = undefined;
        addcarryxU64(&x235, &x236, x234, x201, x223);
        var x237: u64 = undefined;
        var x238: u1 = undefined;
        addcarryxU64(&x237, &x238, x236, x203, x225);
        var x239: u64 = undefined;
        var x240: u1 = undefined;
        addcarryxU64(&x239, &x240, x238, x205, x227);
        var x241: u64 = undefined;
        var x242: u1 = undefined;
        addcarryxU64(&x241, &x242, x240, x207, x229);
        var x243: u64 = undefined;
        var x244: u1 = undefined;
        addcarryxU64(&x243, &x244, x242, x209, x231);
        var x245: u64 = undefined;
        var x246: u64 = undefined;
        mulxU64(&x245, &x246, x233, 0x6ed46089e88fdc45);
        var x247: u64 = undefined;
        var x248: u64 = undefined;
        mulxU64(&x247, &x248, x245, 0xffffffffffffffff);
        var x249: u64 = undefined;
        var x250: u64 = undefined;
        mulxU64(&x249, &x250, x245, 0xffffffffffffffff);
        var x251: u64 = undefined;
        var x252: u64 = undefined;
        mulxU64(&x251, &x252, x245, 0xffffffffffffffff);
        var x253: u64 = undefined;
        var x254: u64 = undefined;
        mulxU64(&x253, &x254, x245, 0xc7634d81f4372ddf);
        var x255: u64 = undefined;
        var x256: u64 = undefined;
        mulxU64(&x255, &x256, x245, 0x581a0db248b0a77a);
        var x257: u64 = undefined;
        var x258: u64 = undefined;
        mulxU64(&x257, &x258, x245, 0xecec196accc52973);
        var x259: u64 = undefined;
        var x260: u1 = undefined;
        addcarryxU64(&x259, &x260, 0x0, x258, x255);
        var x261: u64 = undefined;
        var x262: u1 = undefined;
        addcarryxU64(&x261, &x262, x260, x256, x253);
        var x263: u64 = undefined;
        var x264: u1 = undefined;
        addcarryxU64(&x263, &x264, x262, x254, x251);
        var x265: u64 = undefined;
        var x266: u1 = undefined;
        addcarryxU64(&x265, &x266, x264, x252, x249);
        var x267: u64 = undefined;
        var x268: u1 = undefined;
        addcarryxU64(&x267, &x268, x266, x250, x247);
        var x269: u64 = undefined;
        var x270: u1 = undefined;
        addcarryxU64(&x269, &x270, 0x0, x233, x257);
        var x271: u64 = undefined;
        var x272: u1 = undefined;
        addcarryxU64(&x271, &x272, x270, x235, x259);
        var x273: u64 = undefined;
        var x274: u1 = undefined;
        addcarryxU64(&x273, &x274, x272, x237, x261);
        var x275: u64 = undefined;
        var x276: u1 = undefined;
        addcarryxU64(&x275, &x276, x274, x239, x263);
        var x277: u64 = undefined;
        var x278: u1 = undefined;
        addcarryxU64(&x277, &x278, x276, x241, x265);
        var x279: u64 = undefined;
        var x280: u1 = undefined;
        addcarryxU64(&x279, &x280, x278, x243, x267);
        var x281: u64 = undefined;
        var x282: u1 = undefined;
        addcarryxU64(&x281, &x282, x280, ((@as(u64, x244) + @as(u64, x210)) + (@as(u64, x232) + x212)), (@as(u64, x268) + x248));
        var x283: u64 = undefined;
        var x284: u64 = undefined;
        mulxU64(&x283, &x284, x4, 0xc84ee012b39bf21);
        var x285: u64 = undefined;
        var x286: u64 = undefined;
        mulxU64(&x285, &x286, x4, 0x3fb05b7a28266895);
        var x287: u64 = undefined;
        var x288: u64 = undefined;
        mulxU64(&x287, &x288, x4, 0xd40d49174aab1cc5);
        var x289: u64 = undefined;
        var x290: u64 = undefined;
        mulxU64(&x289, &x290, x4, 0xbc3e483afcb82947);
        var x291: u64 = undefined;
        var x292: u64 = undefined;
        mulxU64(&x291, &x292, x4, 0xff3d81e5df1aa419);
        var x293: u64 = undefined;
        var x294: u64 = undefined;
        mulxU64(&x293, &x294, x4, 0x2d319b2419b409a9);
        var x295: u64 = undefined;
        var x296: u1 = undefined;
        addcarryxU64(&x295, &x296, 0x0, x294, x291);
        var x297: u64 = undefined;
        var x298: u1 = undefined;
        addcarryxU64(&x297, &x298, x296, x292, x289);
        var x299: u64 = undefined;
        var x300: u1 = undefined;
        addcarryxU64(&x299, &x300, x298, x290, x287);
        var x301: u64 = undefined;
        var x302: u1 = undefined;
        addcarryxU64(&x301, &x302, x300, x288, x285);
        var x303: u64 = undefined;
        var x304: u1 = undefined;
        addcarryxU64(&x303, &x304, x302, x286, x283);
        var x305: u64 = undefined;
        var x306: u1 = undefined;
        addcarryxU64(&x305, &x306, 0x0, x271, x293);
        var x307: u64 = undefined;
        var x308: u1 = undefined;
        addcarryxU64(&x307, &x308, x306, x273, x295);
        var x309: u64 = undefined;
        var x310: u1 = undefined;
        addcarryxU64(&x309, &x310, x308, x275, x297);
        var x311: u64 = undefined;
        var x312: u1 = undefined;
        addcarryxU64(&x311, &x312, x310, x277, x299);
        var x313: u64 = undefined;
        var x314: u1 = undefined;
        addcarryxU64(&x313, &x314, x312, x279, x301);
        var x315: u64 = undefined;
        var x316: u1 = undefined;
        addcarryxU64(&x315, &x316, x314, x281, x303);
        var x317: u64 = undefined;
        var x318: u64 = undefined;
        mulxU64(&x317, &x318, x305, 0x6ed46089e88fdc45);
        var x319: u64 = undefined;
        var x320: u64 = undefined;
        mulxU64(&x319, &x320, x317, 0xffffffffffffffff);
        var x321: u64 = undefined;
        var x322: u64 = undefined;
        mulxU64(&x321, &x322, x317, 0xffffffffffffffff);
        var x323: u64 = undefined;
        var x324: u64 = undefined;
        mulxU64(&x323, &x324, x317, 0xffffffffffffffff);
        var x325: u64 = undefined;
        var x326: u64 = undefined;
        mulxU64(&x325, &x326, x317, 0xc7634d81f4372ddf);
        var x327: u64 = undefined;
        var x328: u64 = undefined;
        mulxU64(&x327, &x328, x317, 0x581a0db248b0a77a);
        var x329: u64 = undefined;
        var x330: u64 = undefined;
        mulxU64(&x329, &x330, x317, 0xecec196accc52973);
        var x331: u64 = undefined;
        var x332: u1 = undefined;
        addcarryxU64(&x331, &x332, 0x0, x330, x327);
        var x333: u64 = undefined;
        var x334: u1 = undefined;
        addcarryxU64(&x333, &x334, x332, x328, x325);
        var x335: u64 = undefined;
        var x336: u1 = undefined;
        addcarryxU64(&x335, &x336, x334, x326, x323);
        var x337: u64 = undefined;
        var x338: u1 = undefined;
        addcarryxU64(&x337, &x338, x336, x324, x321);
        var x339: u64 = undefined;
        var x340: u1 = undefined;
        addcarryxU64(&x339, &x340, x338, x322, x319);
        var x341: u64 = undefined;
        var x342: u1 = undefined;
        addcarryxU64(&x341, &x342, 0x0, x305, x329);
        var x343: u64 = undefined;
        var x344: u1 = undefined;
        addcarryxU64(&x343, &x344, x342, x307, x331);
        var x345: u64 = undefined;
        var x346: u1 = undefined;
        addcarryxU64(&x345, &x346, x344, x309, x333);
        var x347: u64 = undefined;
        var x348: u1 = undefined;
        addcarryxU64(&x347, &x348, x346, x311, x335);
        var x349: u64 = undefined;
        var x350: u1 = undefined;
        addcarryxU64(&x349, &x350, x348, x313, x337);
        var x351: u64 = undefined;
        var x352: u1 = undefined;
        addcarryxU64(&x351, &x352, x350, x315, x339);
        var x353: u64 = undefined;
        var x354: u1 = undefined;
        addcarryxU64(&x353, &x354, x352, ((@as(u64, x316) + @as(u64, x282)) + (@as(u64, x304) + x284)), (@as(u64, x340) + x320));
        var x355: u64 = undefined;
        var x356: u64 = undefined;
        mulxU64(&x355, &x356, x5, 0xc84ee012b39bf21);
        var x357: u64 = undefined;
        var x358: u64 = undefined;
        mulxU64(&x357, &x358, x5, 0x3fb05b7a28266895);
        var x359: u64 = undefined;
        var x360: u64 = undefined;
        mulxU64(&x359, &x360, x5, 0xd40d49174aab1cc5);
        var x361: u64 = undefined;
        var x362: u64 = undefined;
        mulxU64(&x361, &x362, x5, 0xbc3e483afcb82947);
        var x363: u64 = undefined;
        var x364: u64 = undefined;
        mulxU64(&x363, &x364, x5, 0xff3d81e5df1aa419);
        var x365: u64 = undefined;
        var x366: u64 = undefined;
        mulxU64(&x365, &x366, x5, 0x2d319b2419b409a9);
        var x367: u64 = undefined;
        var x368: u1 = undefined;
        addcarryxU64(&x367, &x368, 0x0, x366, x363);
        var x369: u64 = undefined;
        var x370: u1 = undefined;
        addcarryxU64(&x369, &x370, x368, x364, x361);
        var x371: u64 = undefined;
        var x372: u1 = undefined;
        addcarryxU64(&x371, &x372, x370, x362, x359);
        var x373: u64 = undefined;
        var x374: u1 = undefined;
        addcarryxU64(&x373, &x374, x372, x360, x357);
        var x375: u64 = undefined;
        var x376: u1 = undefined;
        addcarryxU64(&x375, &x376, x374, x358, x355);
        var x377: u64 = undefined;
        var x378: u1 = undefined;
        addcarryxU64(&x377, &x378, 0x0, x343, x365);
        var x379: u64 = undefined;
        var x380: u1 = undefined;
        addcarryxU64(&x379, &x380, x378, x345, x367);
        var x381: u64 = undefined;
        var x382: u1 = undefined;
        addcarryxU64(&x381, &x382, x380, x347, x369);
        var x383: u64 = undefined;
        var x384: u1 = undefined;
        addcarryxU64(&x383, &x384, x382, x349, x371);
        var x385: u64 = undefined;
        var x386: u1 = undefined;
        addcarryxU64(&x385, &x386, x384, x351, x373);
        var x387: u64 = undefined;
        var x388: u1 = undefined;
        addcarryxU64(&x387, &x388, x386, x353, x375);
        var x389: u64 = undefined;
        var x390: u64 = undefined;
        mulxU64(&x389, &x390, x377, 0x6ed46089e88fdc45);
        var x391: u64 = undefined;
        var x392: u64 = undefined;
        mulxU64(&x391, &x392, x389, 0xffffffffffffffff);
        var x393: u64 = undefined;
        var x394: u64 = undefined;
        mulxU64(&x393, &x394, x389, 0xffffffffffffffff);
        var x395: u64 = undefined;
        var x396: u64 = undefined;
        mulxU64(&x395, &x396, x389, 0xffffffffffffffff);
        var x397: u64 = undefined;
        var x398: u64 = undefined;
        mulxU64(&x397, &x398, x389, 0xc7634d81f4372ddf);
        var x399: u64 = undefined;
        var x400: u64 = undefined;
        mulxU64(&x399, &x400, x389, 0x581a0db248b0a77a);
        var x401: u64 = undefined;
        var x402: u64 = undefined;
        mulxU64(&x401, &x402, x389, 0xecec196accc52973);
        var x403: u64 = undefined;
        var x404: u1 = undefined;
        addcarryxU64(&x403, &x404, 0x0, x402, x399);
        var x405: u64 = undefined;
        var x406: u1 = undefined;
        addcarryxU64(&x405, &x406, x404, x400, x397);
        var x407: u64 = undefined;
        var x408: u1 = undefined;
        addcarryxU64(&x407, &x408, x406, x398, x395);
        var x409: u64 = undefined;
        var x410: u1 = undefined;
        addcarryxU64(&x409, &x410, x408, x396, x393);
        var x411: u64 = undefined;
        var x412: u1 = undefined;
        addcarryxU64(&x411, &x412, x410, x394, x391);
        var x413: u64 = undefined;
        var x414: u1 = undefined;
        addcarryxU64(&x413, &x414, 0x0, x377, x401);
        var x415: u64 = undefined;
        var x416: u1 = undefined;
        addcarryxU64(&x415, &x416, x414, x379, x403);
        var x417: u64 = undefined;
        var x418: u1 = undefined;
        addcarryxU64(&x417, &x418, x416, x381, x405);
        var x419: u64 = undefined;
        var x420: u1 = undefined;
        addcarryxU64(&x419, &x420, x418, x383, x407);
        var x421: u64 = undefined;
        var x422: u1 = undefined;
        addcarryxU64(&x421, &x422, x420, x385, x409);
        var x423: u64 = undefined;
        var x424: u1 = undefined;
        addcarryxU64(&x423, &x424, x422, x387, x411);
        var x425: u64 = undefined;
        var x426: u1 = undefined;
        addcarryxU64(&x425, &x426, x424, ((@as(u64, x388) + @as(u64, x354)) + (@as(u64, x376) + x356)), (@as(u64, x412) + x392));
        var x427: u64 = undefined;
        var x428: u1 = undefined;
        subborrowxU64(&x427, &x428, 0x0, x415, 0xecec196accc52973);
        var x429: u64 = undefined;
        var x430: u1 = undefined;
        subborrowxU64(&x429, &x430, x428, x417, 0x581a0db248b0a77a);
        var x431: u64 = undefined;
        var x432: u1 = undefined;
        subborrowxU64(&x431, &x432, x430, x419, 0xc7634d81f4372ddf);
        var x433: u64 = undefined;
        var x434: u1 = undefined;
        subborrowxU64(&x433, &x434, x432, x421, 0xffffffffffffffff);
        var x435: u64 = undefined;
        var x436: u1 = undefined;
        subborrowxU64(&x435, &x436, x434, x423, 0xffffffffffffffff);
        var x437: u64 = undefined;
        var x438: u1 = undefined;
        subborrowxU64(&x437, &x438, x436, x425, 0xffffffffffffffff);
        var x439: u64 = undefined;
        var x440: u1 = undefined;
        subborrowxU64(&x439, &x440, x438, @as(u64, x426), 0x0);
        var x441: u64 = undefined;
        cmovznzU64(&x441, x440, x427, x415);
        var x442: u64 = undefined;
        cmovznzU64(&x442, x440, x429, x417);
        var x443: u64 = undefined;
        cmovznzU64(&x443, x440, x431, x419);
        var x444: u64 = undefined;
        cmovznzU64(&x444, x440, x433, x421);
        var x445: u64 = undefined;
        cmovznzU64(&x445, x440, x435, x423);
        var x446: u64 = undefined;
        cmovznzU64(&x446, x440, x437, x425);
        out1[0] = x441;
        out1[1] = x442;
        out1[2] = x443;
        out1[3] = x444;
        out1[4] = x445;
        out1[5] = x446;
    }

    /// The function nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    /// Postconditions:
    ///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
    ///
    /// Input Bounds:
    ///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    /// Output Bounds:
    ///   out1: [0x0 ~> 0xffffffffffffffff]
    pub fn nonzero(out1: *u64, arg1: [6]u64) void {
        @setRuntimeSafety(mode == .Debug);

        const x1 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | (arg1[5]))))));
        out1.* = x1;
    }

    /// The function selectznz is a multi-limb conditional select.
    ///
    /// Postconditions:
    ///   out1 = (if arg1 = 0 then arg2 else arg3)
    ///
    /// Input Bounds:
    ///   arg1: [0x0 ~> 0x1]
    ///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    ///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    /// Output Bounds:
    ///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    pub fn selectznz(out1: *[6]u64, arg1: u1, arg2: [6]u64, arg3: [6]u64) void {
        @setRuntimeSafety(mode == .Debug);

        var x1: u64 = undefined;
        cmovznzU64(&x1, arg1, (arg2[0]), (arg3[0]));
        var x2: u64 = undefined;
        cmovznzU64(&x2, arg1, (arg2[1]), (arg3[1]));
        var x3: u64 = undefined;
        cmovznzU64(&x3, arg1, (arg2[2]), (arg3[2]));
        var x4: u64 = undefined;
        cmovznzU64(&x4, arg1, (arg2[3]), (arg3[3]));
        var x5: u64 = undefined;
        cmovznzU64(&x5, arg1, (arg2[4]), (arg3[4]));
        var x6: u64 = undefined;
        cmovznzU64(&x6, arg1, (arg2[5]), (arg3[5]));
        out1[0] = x1;
        out1[1] = x2;
        out1[2] = x3;
        out1[3] = x4;
        out1[4] = x5;
        out1[5] = x6;
    }

    /// The function toBytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg1 < m
    /// Postconditions:
    ///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..47]
    ///
    /// Input Bounds:
    ///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    /// Output Bounds:
    ///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
    pub fn toBytes(out1: *[48]u8, arg1: [6]u64) void {
        @setRuntimeSafety(mode == .Debug);

        const x1 = (arg1[5]);
        const x2 = (arg1[4]);
        const x3 = (arg1[3]);
        const x4 = (arg1[2]);
        const x5 = (arg1[1]);
        const x6 = (arg1[0]);
        const x7 = @as(u8, @truncate((x6 & 0xff)));
        const x8 = (x6 >> 8);
        const x9 = @as(u8, @truncate((x8 & 0xff)));
        const x10 = (x8 >> 8);
        const x11 = @as(u8, @truncate((x10 & 0xff)));
        const x12 = (x10 >> 8);
        const x13 = @as(u8, @truncate((x12 & 0xff)));
        const x14 = (x12 >> 8);
        const x15 = @as(u8, @truncate((x14 & 0xff)));
        const x16 = (x14 >> 8);
        const x17 = @as(u8, @truncate((x16 & 0xff)));
        const x18 = (x16 >> 8);
        const x19 = @as(u8, @truncate((x18 & 0xff)));
        const x20 = @as(u8, @truncate((x18 >> 8)));
        const x21 = @as(u8, @truncate((x5 & 0xff)));
        const x22 = (x5 >> 8);
        const x23 = @as(u8, @truncate((x22 & 0xff)));
        const x24 = (x22 >> 8);
        const x25 = @as(u8, @truncate((x24 & 0xff)));
        const x26 = (x24 >> 8);
        const x27 = @as(u8, @truncate((x26 & 0xff)));
        const x28 = (x26 >> 8);
        const x29 = @as(u8, @truncate((x28 & 0xff)));
        const x30 = (x28 >> 8);
        const x31 = @as(u8, @truncate((x30 & 0xff)));
        const x32 = (x30 >> 8);
        const x33 = @as(u8, @truncate((x32 & 0xff)));
        const x34 = @as(u8, @truncate((x32 >> 8)));
        const x35 = @as(u8, @truncate((x4 & 0xff)));
        const x36 = (x4 >> 8);
        const x37 = @as(u8, @truncate((x36 & 0xff)));
        const x38 = (x36 >> 8);
        const x39 = @as(u8, @truncate((x38 & 0xff)));
        const x40 = (x38 >> 8);
        const x41 = @as(u8, @truncate((x40 & 0xff)));
        const x42 = (x40 >> 8);
        const x43 = @as(u8, @truncate((x42 & 0xff)));
        const x44 = (x42 >> 8);
        const x45 = @as(u8, @truncate((x44 & 0xff)));
        const x46 = (x44 >> 8);
        const x47 = @as(u8, @truncate((x46 & 0xff)));
        const x48 = @as(u8, @truncate((x46 >> 8)));
        const x49 = @as(u8, @truncate((x3 & 0xff)));
        const x50 = (x3 >> 8);
        const x51 = @as(u8, @truncate((x50 & 0xff)));
        const x52 = (x50 >> 8);
        const x53 = @as(u8, @truncate((x52 & 0xff)));
        const x54 = (x52 >> 8);
        const x55 = @as(u8, @truncate((x54 & 0xff)));
        const x56 = (x54 >> 8);
        const x57 = @as(u8, @truncate((x56 & 0xff)));
        const x58 = (x56 >> 8);
        const x59 = @as(u8, @truncate((x58 & 0xff)));
        const x60 = (x58 >> 8);
        const x61 = @as(u8, @truncate((x60 & 0xff)));
        const x62 = @as(u8, @truncate((x60 >> 8)));
        const x63 = @as(u8, @truncate((x2 & 0xff)));
        const x64 = (x2 >> 8);
        const x65 = @as(u8, @truncate((x64 & 0xff)));
        const x66 = (x64 >> 8);
        const x67 = @as(u8, @truncate((x66 & 0xff)));
        const x68 = (x66 >> 8);
        const x69 = @as(u8, @truncate((x68 & 0xff)));
        const x70 = (x68 >> 8);
        const x71 = @as(u8, @truncate((x70 & 0xff)));
        const x72 = (x70 >> 8);
        const x73 = @as(u8, @truncate((x72 & 0xff)));
        const x74 = (x72 >> 8);
        const x75 = @as(u8, @truncate((x74 & 0xff)));
        const x76 = @as(u8, @truncate((x74 >> 8)));
        const x77 = @as(u8, @truncate((x1 & 0xff)));
        const x78 = (x1 >> 8);
        const x79 = @as(u8, @truncate((x78 & 0xff)));
        const x80 = (x78 >> 8);
        const x81 = @as(u8, @truncate((x80 & 0xff)));
        const x82 = (x80 >> 8);
        const x83 = @as(u8, @truncate((x82 & 0xff)));
        const x84 = (x82 >> 8);
        const x85 = @as(u8, @truncate((x84 & 0xff)));
        const x86 = (x84 >> 8);
        const x87 = @as(u8, @truncate((x86 & 0xff)));
        const x88 = (x86 >> 8);
        const x89 = @as(u8, @truncate((x88 & 0xff)));
        const x90 = @as(u8, @truncate((x88 >> 8)));
        out1[0] = x7;
        out1[1] = x9;
        out1[2] = x11;
        out1[3] = x13;
        out1[4] = x15;
        out1[5] = x17;
        out1[6] = x19;
        out1[7] = x20;
        out1[8] = x21;
        out1[9] = x23;
        out1[10] = x25;
        out1[11] = x27;
        out1[12] = x29;
        out1[13] = x31;
        out1[14] = x33;
        out1[15] = x34;
        out1[16] = x35;
        out1[17] = x37;
        out1[18] = x39;
        out1[19] = x41;
        out1[20] = x43;
        out1[21] = x45;
        out1[22] = x47;
        out1[23] = x48;
        out1[24] = x49;
        out1[25] = x51;
        out1[26] = x53;
        out1[27] = x55;
        out1[28] = x57;
        out1[29] = x59;
        out1[30] = x61;
        out1[31] = x62;
        out1[32] = x63;
        out1[33] = x65;
        out1[34] = x67;
        out1[35] = x69;
        out1[36] = x71;
        out1[37] = x73;
        out1[38] = x75;
        out1[39] = x76;
        out1[40] = x77;
        out1[41] = x79;
        out1[42] = x81;
        out1[43] = x83;
        out1[44] = x85;
        out1[45] = x87;
        out1[46] = x89;
        out1[47] = x90;
    }

    /// The function fromBytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
    ///
    /// Preconditions:
    ///   0 ≤ bytes_eval arg1 < m
    /// Postconditions:
    ///   eval out1 mod m = bytes_eval arg1 mod m
    ///   0 ≤ eval out1 < m
    ///
    /// Input Bounds:
    ///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
    /// Output Bounds:
    ///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    pub fn fromBytes(out1: *[6]u64, arg1: [48]u8) void {
        @setRuntimeSafety(mode == .Debug);

        const x1 = (@as(u64, (arg1[47])) << 56);
        const x2 = (@as(u64, (arg1[46])) << 48);
        const x3 = (@as(u64, (arg1[45])) << 40);
        const x4 = (@as(u64, (arg1[44])) << 32);
        const x5 = (@as(u64, (arg1[43])) << 24);
        const x6 = (@as(u64, (arg1[42])) << 16);
        const x7 = (@as(u64, (arg1[41])) << 8);
        const x8 = (arg1[40]);
        const x9 = (@as(u64, (arg1[39])) << 56);
        const x10 = (@as(u64, (arg1[38])) << 48);
        const x11 = (@as(u64, (arg1[37])) << 40);
        const x12 = (@as(u64, (arg1[36])) << 32);
        const x13 = (@as(u64, (arg1[35])) << 24);
        const x14 = (@as(u64, (arg1[34])) << 16);
        const x15 = (@as(u64, (arg1[33])) << 8);
        const x16 = (arg1[32]);
        const x17 = (@as(u64, (arg1[31])) << 56);
        const x18 = (@as(u64, (arg1[30])) << 48);
        const x19 = (@as(u64, (arg1[29])) << 40);
        const x20 = (@as(u64, (arg1[28])) << 32);
        const x21 = (@as(u64, (arg1[27])) << 24);
        const x22 = (@as(u64, (arg1[26])) << 16);
        const x23 = (@as(u64, (arg1[25])) << 8);
        const x24 = (arg1[24]);
        const x25 = (@as(u64, (arg1[23])) << 56);
        const x26 = (@as(u64, (arg1[22])) << 48);
        const x27 = (@as(u64, (arg1[21])) << 40);
        const x28 = (@as(u64, (arg1[20])) << 32);
        const x29 = (@as(u64, (arg1[19])) << 24);
        const x30 = (@as(u64, (arg1[18])) << 16);
        const x31 = (@as(u64, (arg1[17])) << 8);
        const x32 = (arg1[16]);
        const x33 = (@as(u64, (arg1[15])) << 56);
        const x34 = (@as(u64, (arg1[14])) << 48);
        const x35 = (@as(u64, (arg1[13])) << 40);
        const x36 = (@as(u64, (arg1[12])) << 32);
        const x37 = (@as(u64, (arg1[11])) << 24);
        const x38 = (@as(u64, (arg1[10])) << 16);
        const x39 = (@as(u64, (arg1[9])) << 8);
        const x40 = (arg1[8]);
        const x41 = (@as(u64, (arg1[7])) << 56);
        const x42 = (@as(u64, (arg1[6])) << 48);
        const x43 = (@as(u64, (arg1[5])) << 40);
        const x44 = (@as(u64, (arg1[4])) << 32);
        const x45 = (@as(u64, (arg1[3])) << 24);
        const x46 = (@as(u64, (arg1[2])) << 16);
        const x47 = (@as(u64, (arg1[1])) << 8);
        const x48 = (arg1[0]);
        const x49 = (x47 + @as(u64, x48));
        const x50 = (x46 + x49);
        const x51 = (x45 + x50);
        const x52 = (x44 + x51);
        const x53 = (x43 + x52);
        const x54 = (x42 + x53);
        const x55 = (x41 + x54);
        const x56 = (x39 + @as(u64, x40));
        const x57 = (x38 + x56);
        const x58 = (x37 + x57);
        const x59 = (x36 + x58);
        const x60 = (x35 + x59);
        const x61 = (x34 + x60);
        const x62 = (x33 + x61);
        const x63 = (x31 + @as(u64, x32));
        const x64 = (x30 + x63);
        const x65 = (x29 + x64);
        const x66 = (x28 + x65);
        const x67 = (x27 + x66);
        const x68 = (x26 + x67);
        const x69 = (x25 + x68);
        const x70 = (x23 + @as(u64, x24));
        const x71 = (x22 + x70);
        const x72 = (x21 + x71);
        const x73 = (x20 + x72);
        const x74 = (x19 + x73);
        const x75 = (x18 + x74);
        const x76 = (x17 + x75);
        const x77 = (x15 + @as(u64, x16));
        const x78 = (x14 + x77);
        const x79 = (x13 + x78);
        const x80 = (x12 + x79);
        const x81 = (x11 + x80);
        const x82 = (x10 + x81);
        const x83 = (x9 + x82);
        const x84 = (x7 + @as(u64, x8));
        const x85 = (x6 + x84);
        const x86 = (x5 + x85);
        const x87 = (x4 + x86);
        const x88 = (x3 + x87);
        const x89 = (x2 + x88);
        const x90 = (x1 + x89);
        out1[0] = x55;
        out1[1] = x62;
        out1[2] = x69;
        out1[3] = x76;
        out1[4] = x83;
        out1[5] = x90;
    }

    /// The function setOne returns the field element one in the Montgomery domain.
    ///
    /// Postconditions:
    ///   eval (from_montgomery out1) mod m = 1 mod m
    ///   0 ≤ eval out1 < m
    ///
    pub fn setOne(out1: *MontgomeryDomainFieldElement) void {
        @setRuntimeSafety(mode == .Debug);

        out1[0] = 0x1313e695333ad68d;
        out1[1] = 0xa7e5f24db74f5885;
        out1[2] = 0x389cb27e0bc8d220;
        out1[3] = 0x0;
        out1[4] = 0x0;
        out1[5] = 0x0;
    }

    /// The function msat returns the saturated representation of the prime modulus.
    ///
    /// Postconditions:
    ///   twos_complement_eval out1 = m
    ///   0 ≤ eval out1 < m
    ///
    /// Output Bounds:
    ///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    pub fn msat(out1: *[7]u64) void {
        @setRuntimeSafety(mode == .Debug);

        out1[0] = 0xecec196accc52973;
        out1[1] = 0x581a0db248b0a77a;
        out1[2] = 0xc7634d81f4372ddf;
        out1[3] = 0xffffffffffffffff;
        out1[4] = 0xffffffffffffffff;
        out1[5] = 0xffffffffffffffff;
        out1[6] = 0x0;
    }

    /// The function divstep computes a divstep.
    ///
    /// Preconditions:
    ///   0 ≤ eval arg4 < m
    ///   0 ≤ eval arg5 < m
    /// Postconditions:
    ///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
    ///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
    ///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
    ///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
    ///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
    ///   0 ≤ eval out5 < m
    ///   0 ≤ eval out5 < m
    ///   0 ≤ eval out2 < m
    ///   0 ≤ eval out3 < m
    ///
    /// Input Bounds:
    ///   arg1: [0x0 ~> 0xffffffffffffffff]
    ///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    ///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    ///   arg4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    ///   arg5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    /// Output Bounds:
    ///   out1: [0x0 ~> 0xffffffffffffffff]
    ///   out2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    ///   out3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    ///   out4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    ///   out5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    pub fn divstep(out1: *u64, out2: *[7]u64, out3: *[7]u64, out4: *[6]u64, out5: *[6]u64, arg1: u64, arg2: [7]u64, arg3: [7]u64, arg4: [6]u64, arg5: [6]u64) void {
        @setRuntimeSafety(mode == .Debug);

        var x1: u64 = undefined;
        var x2: u1 = undefined;
        addcarryxU64(&x1, &x2, 0x0, (~arg1), 0x1);
        const x3 = (@as(u1, @truncate((x1 >> 63))) & @as(u1, @truncate(((arg3[0]) & 0x1))));
        var x4: u64 = undefined;
        var x5: u1 = undefined;
        addcarryxU64(&x4, &x5, 0x0, (~arg1), 0x1);
        var x6: u64 = undefined;
        cmovznzU64(&x6, x3, arg1, x4);
        var x7: u64 = undefined;
        cmovznzU64(&x7, x3, (arg2[0]), (arg3[0]));
        var x8: u64 = undefined;
        cmovznzU64(&x8, x3, (arg2[1]), (arg3[1]));
        var x9: u64 = undefined;
        cmovznzU64(&x9, x3, (arg2[2]), (arg3[2]));
        var x10: u64 = undefined;
        cmovznzU64(&x10, x3, (arg2[3]), (arg3[3]));
        var x11: u64 = undefined;
        cmovznzU64(&x11, x3, (arg2[4]), (arg3[4]));
        var x12: u64 = undefined;
        cmovznzU64(&x12, x3, (arg2[5]), (arg3[5]));
        var x13: u64 = undefined;
        cmovznzU64(&x13, x3, (arg2[6]), (arg3[6]));
        var x14: u64 = undefined;
        var x15: u1 = undefined;
        addcarryxU64(&x14, &x15, 0x0, 0x1, (~(arg2[0])));
        var x16: u64 = undefined;
        var x17: u1 = undefined;
        addcarryxU64(&x16, &x17, x15, 0x0, (~(arg2[1])));
        var x18: u64 = undefined;
        var x19: u1 = undefined;
        addcarryxU64(&x18, &x19, x17, 0x0, (~(arg2[2])));
        var x20: u64 = undefined;
        var x21: u1 = undefined;
        addcarryxU64(&x20, &x21, x19, 0x0, (~(arg2[3])));
        var x22: u64 = undefined;
        var x23: u1 = undefined;
        addcarryxU64(&x22, &x23, x21, 0x0, (~(arg2[4])));
        var x24: u64 = undefined;
        var x25: u1 = undefined;
        addcarryxU64(&x24, &x25, x23, 0x0, (~(arg2[5])));
        var x26: u64 = undefined;
        var x27: u1 = undefined;
        addcarryxU64(&x26, &x27, x25, 0x0, (~(arg2[6])));
        var x28: u64 = undefined;
        cmovznzU64(&x28, x3, (arg3[0]), x14);
        var x29: u64 = undefined;
        cmovznzU64(&x29, x3, (arg3[1]), x16);
        var x30: u64 = undefined;
        cmovznzU64(&x30, x3, (arg3[2]), x18);
        var x31: u64 = undefined;
        cmovznzU64(&x31, x3, (arg3[3]), x20);
        var x32: u64 = undefined;
        cmovznzU64(&x32, x3, (arg3[4]), x22);
        var x33: u64 = undefined;
        cmovznzU64(&x33, x3, (arg3[5]), x24);
        var x34: u64 = undefined;
        cmovznzU64(&x34, x3, (arg3[6]), x26);
        var x35: u64 = undefined;
        cmovznzU64(&x35, x3, (arg4[0]), (arg5[0]));
        var x36: u64 = undefined;
        cmovznzU64(&x36, x3, (arg4[1]), (arg5[1]));
        var x37: u64 = undefined;
        cmovznzU64(&x37, x3, (arg4[2]), (arg5[2]));
        var x38: u64 = undefined;
        cmovznzU64(&x38, x3, (arg4[3]), (arg5[3]));
        var x39: u64 = undefined;
        cmovznzU64(&x39, x3, (arg4[4]), (arg5[4]));
        var x40: u64 = undefined;
        cmovznzU64(&x40, x3, (arg4[5]), (arg5[5]));
        var x41: u64 = undefined;
        var x42: u1 = undefined;
        addcarryxU64(&x41, &x42, 0x0, x35, x35);
        var x43: u64 = undefined;
        var x44: u1 = undefined;
        addcarryxU64(&x43, &x44, x42, x36, x36);
        var x45: u64 = undefined;
        var x46: u1 = undefined;
        addcarryxU64(&x45, &x46, x44, x37, x37);
        var x47: u64 = undefined;
        var x48: u1 = undefined;
        addcarryxU64(&x47, &x48, x46, x38, x38);
        var x49: u64 = undefined;
        var x50: u1 = undefined;
        addcarryxU64(&x49, &x50, x48, x39, x39);
        var x51: u64 = undefined;
        var x52: u1 = undefined;
        addcarryxU64(&x51, &x52, x50, x40, x40);
        var x53: u64 = undefined;
        var x54: u1 = undefined;
        subborrowxU64(&x53, &x54, 0x0, x41, 0xecec196accc52973);
        var x55: u64 = undefined;
        var x56: u1 = undefined;
        subborrowxU64(&x55, &x56, x54, x43, 0x581a0db248b0a77a);
        var x57: u64 = undefined;
        var x58: u1 = undefined;
        subborrowxU64(&x57, &x58, x56, x45, 0xc7634d81f4372ddf);
        var x59: u64 = undefined;
        var x60: u1 = undefined;
        subborrowxU64(&x59, &x60, x58, x47, 0xffffffffffffffff);
        var x61: u64 = undefined;
        var x62: u1 = undefined;
        subborrowxU64(&x61, &x62, x60, x49, 0xffffffffffffffff);
        var x63: u64 = undefined;
        var x64: u1 = undefined;
        subborrowxU64(&x63, &x64, x62, x51, 0xffffffffffffffff);
        var x65: u64 = undefined;
        var x66: u1 = undefined;
        subborrowxU64(&x65, &x66, x64, @as(u64, x52), 0x0);
        const x67 = (arg4[5]);
        const x68 = (arg4[4]);
        const x69 = (arg4[3]);
        const x70 = (arg4[2]);
        const x71 = (arg4[1]);
        const x72 = (arg4[0]);
        var x73: u64 = undefined;
        var x74: u1 = undefined;
        subborrowxU64(&x73, &x74, 0x0, 0x0, x72);
        var x75: u64 = undefined;
        var x76: u1 = undefined;
        subborrowxU64(&x75, &x76, x74, 0x0, x71);
        var x77: u64 = undefined;
        var x78: u1 = undefined;
        subborrowxU64(&x77, &x78, x76, 0x0, x70);
        var x79: u64 = undefined;
        var x80: u1 = undefined;
        subborrowxU64(&x79, &x80, x78, 0x0, x69);
        var x81: u64 = undefined;
        var x82: u1 = undefined;
        subborrowxU64(&x81, &x82, x80, 0x0, x68);
        var x83: u64 = undefined;
        var x84: u1 = undefined;
        subborrowxU64(&x83, &x84, x82, 0x0, x67);
        var x85: u64 = undefined;
        cmovznzU64(&x85, x84, 0x0, 0xffffffffffffffff);
        var x86: u64 = undefined;
        var x87: u1 = undefined;
        addcarryxU64(&x86, &x87, 0x0, x73, (x85 & 0xecec196accc52973));
        var x88: u64 = undefined;
        var x89: u1 = undefined;
        addcarryxU64(&x88, &x89, x87, x75, (x85 & 0x581a0db248b0a77a));
        var x90: u64 = undefined;
        var x91: u1 = undefined;
        addcarryxU64(&x90, &x91, x89, x77, (x85 & 0xc7634d81f4372ddf));
        var x92: u64 = undefined;
        var x93: u1 = undefined;
        addcarryxU64(&x92, &x93, x91, x79, x85);
        var x94: u64 = undefined;
        var x95: u1 = undefined;
        addcarryxU64(&x94, &x95, x93, x81, x85);
        var x96: u64 = undefined;
        var x97: u1 = undefined;
        addcarryxU64(&x96, &x97, x95, x83, x85);
        var x98: u64 = undefined;
        cmovznzU64(&x98, x3, (arg5[0]), x86);
        var x99: u64 = undefined;
        cmovznzU64(&x99, x3, (arg5[1]), x88);
        var x100: u64 = undefined;
        cmovznzU64(&x100, x3, (arg5[2]), x90);
        var x101: u64 = undefined;
        cmovznzU64(&x101, x3, (arg5[3]), x92);
        var x102: u64 = undefined;
        cmovznzU64(&x102, x3, (arg5[4]), x94);
        var x103: u64 = undefined;
        cmovznzU64(&x103, x3, (arg5[5]), x96);
        const x104 = @as(u1, @truncate((x28 & 0x1)));
        var x105: u64 = undefined;
        cmovznzU64(&x105, x104, 0x0, x7);
        var x106: u64 = undefined;
        cmovznzU64(&x106, x104, 0x0, x8);
        var x107: u64 = undefined;
        cmovznzU64(&x107, x104, 0x0, x9);
        var x108: u64 = undefined;
        cmovznzU64(&x108, x104, 0x0, x10);
        var x109: u64 = undefined;
        cmovznzU64(&x109, x104, 0x0, x11);
        var x110: u64 = undefined;
        cmovznzU64(&x110, x104, 0x0, x12);
        var x111: u64 = undefined;
        cmovznzU64(&x111, x104, 0x0, x13);
        var x112: u64 = undefined;
        var x113: u1 = undefined;
        addcarryxU64(&x112, &x113, 0x0, x28, x105);
        var x114: u64 = undefined;
        var x115: u1 = undefined;
        addcarryxU64(&x114, &x115, x113, x29, x106);
        var x116: u64 = undefined;
        var x117: u1 = undefined;
        addcarryxU64(&x116, &x117, x115, x30, x107);
        var x118: u64 = undefined;
        var x119: u1 = undefined;
        addcarryxU64(&x118, &x119, x117, x31, x108);
        var x120: u64 = undefined;
        var x121: u1 = undefined;
        addcarryxU64(&x120, &x121, x119, x32, x109);
        var x122: u64 = undefined;
        var x123: u1 = undefined;
        addcarryxU64(&x122, &x123, x121, x33, x110);
        var x124: u64 = undefined;
        var x125: u1 = undefined;
        addcarryxU64(&x124, &x125, x123, x34, x111);
        var x126: u64 = undefined;
        cmovznzU64(&x126, x104, 0x0, x35);
        var x127: u64 = undefined;
        cmovznzU64(&x127, x104, 0x0, x36);
        var x128: u64 = undefined;
        cmovznzU64(&x128, x104, 0x0, x37);
        var x129: u64 = undefined;
        cmovznzU64(&x129, x104, 0x0, x38);
        var x130: u64 = undefined;
        cmovznzU64(&x130, x104, 0x0, x39);
        var x131: u64 = undefined;
        cmovznzU64(&x131, x104, 0x0, x40);
        var x132: u64 = undefined;
        var x133: u1 = undefined;
        addcarryxU64(&x132, &x133, 0x0, x98, x126);
        var x134: u64 = undefined;
        var x135: u1 = undefined;
        addcarryxU64(&x134, &x135, x133, x99, x127);
        var x136: u64 = undefined;
        var x137: u1 = undefined;
        addcarryxU64(&x136, &x137, x135, x100, x128);
        var x138: u64 = undefined;
        var x139: u1 = undefined;
        addcarryxU64(&x138, &x139, x137, x101, x129);
        var x140: u64 = undefined;
        var x141: u1 = undefined;
        addcarryxU64(&x140, &x141, x139, x102, x130);
        var x142: u64 = undefined;
        var x143: u1 = undefined;
        addcarryxU64(&x142, &x143, x141, x103, x131);
        var x144: u64 = undefined;
        var x145: u1 = undefined;
        subborrowxU64(&x144, &x145, 0x0, x132, 0xecec196accc52973);
        var x146: u64 = undefined;
        var x147: u1 = undefined;
        subborrowxU64(&x146, &x147, x145, x134, 0x581a0db248b0a77a);
        var x148: u64 = undefined;
        var x149: u1 = undefined;
        subborrowxU64(&x148, &x149, x147, x136, 0xc7634d81f4372ddf);
        var x150: u64 = undefined;
        var x151: u1 = undefined;
        subborrowxU64(&x150, &x151, x149, x138, 0xffffffffffffffff);
        var x152: u64 = undefined;
        var x153: u1 = undefined;
        subborrowxU64(&x152, &x153, x151, x140, 0xffffffffffffffff);
        var x154: u64 = undefined;
        var x155: u1 = undefined;
        subborrowxU64(&x154, &x155, x153, x142, 0xffffffffffffffff);
        var x156: u64 = undefined;
        var x157: u1 = undefined;
        subborrowxU64(&x156, &x157, x155, @as(u64, x143), 0x0);
        var x158: u64 = undefined;
        var x159: u1 = undefined;
        addcarryxU64(&x158, &x159, 0x0, x6, 0x1);
        const x160 = ((x112 >> 1) | ((x114 << 63) & 0xffffffffffffffff));
        const x161 = ((x114 >> 1) | ((x116 << 63) & 0xffffffffffffffff));
        const x162 = ((x116 >> 1) | ((x118 << 63) & 0xffffffffffffffff));
        const x163 = ((x118 >> 1) | ((x120 << 63) & 0xffffffffffffffff));
        const x164 = ((x120 >> 1) | ((x122 << 63) & 0xffffffffffffffff));
        const x165 = ((x122 >> 1) | ((x124 << 63) & 0xffffffffffffffff));
        const x166 = ((x124 & 0x8000000000000000) | (x124 >> 1));
        var x167: u64 = undefined;
        cmovznzU64(&x167, x66, x53, x41);
        var x168: u64 = undefined;
        cmovznzU64(&x168, x66, x55, x43);
        var x169: u64 = undefined;
        cmovznzU64(&x169, x66, x57, x45);
        var x170: u64 = undefined;
        cmovznzU64(&x170, x66, x59, x47);
        var x171: u64 = undefined;
        cmovznzU64(&x171, x66, x61, x49);
        var x172: u64 = undefined;
        cmovznzU64(&x172, x66, x63, x51);
        var x173: u64 = undefined;
        cmovznzU64(&x173, x157, x144, x132);
        var x174: u64 = undefined;
        cmovznzU64(&x174, x157, x146, x134);
        var x175: u64 = undefined;
        cmovznzU64(&x175, x157, x148, x136);
        var x176: u64 = undefined;
        cmovznzU64(&x176, x157, x150, x138);
        var x177: u64 = undefined;
        cmovznzU64(&x177, x157, x152, x140);
        var x178: u64 = undefined;
        cmovznzU64(&x178, x157, x154, x142);
        out1.* = x158;
        out2[0] = x7;
        out2[1] = x8;
        out2[2] = x9;
        out2[3] = x10;
        out2[4] = x11;
        out2[5] = x12;
        out2[6] = x13;
        out3[0] = x160;
        out3[1] = x161;
        out3[2] = x162;
        out3[3] = x163;
        out3[4] = x164;
        out3[5] = x165;
        out3[6] = x166;
        out4[0] = x167;
        out4[1] = x168;
        out4[2] = x169;
        out4[3] = x170;
        out4[4] = x171;
        out4[5] = x172;
        out5[0] = x173;
        out5[1] = x174;
        out5[2] = x175;
        out5[3] = x176;
        out5[4] = x177;
        out5[5] = x178;
    }

    /// The function divstepPrecomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
    ///
    /// Postconditions:
    ///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
    ///   0 ≤ eval out1 < m
    ///
    /// Output Bounds:
    ///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
    pub fn divstepPrecomp(out1: *[6]u64) void {
        @setRuntimeSafety(mode == .Debug);

        out1[0] = 0x49589ae0e6045b6a;
        out1[1] = 0x3c9a5352870040ed;
        out1[2] = 0xdacb097e977dc242;
        out1[3] = 0xb5ab30a6d1ecbe36;
        out1[4] = 0x97d7a1081f959973;
        out1[5] = 0x2ba012f8d27192bc;
    }