//! Autogenerated: fiat-crypto word-by-word-montgomery --lang Rust --inline bignp256 64 '2^256 - 189' mul square add sub opp from_montgomery to_montgomery selectznz msat divstep divstep_precomp
//! curve description: bignp256
//! machine_wordsize = 64 (from "64")
//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, selectznz, msat, divstep, divstep_precomp
//! m = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff43 (from "2^256 - 189")
//!
//! 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)
//! 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)
//! twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) in
//! if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
#![allow(unused_parens)]
#![allow(non_camel_case_types)]
/// Since `Index` and `IndexMut` aren't callable in `const` contexts yet, this helper type helps unify
/// arrays and user-defined array-wrapper types into a single type which can be indexed in `const`
/// contexts. Once `const trait`s are stabilized this type can go away
struct IndexConst<T: ?Sized>(T);
impl<'a, T, const N: usize> IndexConst<&'a [T; N]> {
#[inline(always)]
#[allow(unused)]
const fn index(self, i: usize) -> &'a T {
&self.0[i]
}
}
impl<'a, 'b, T, const N: usize> IndexConst<&'a mut &'b mut [T; N]> {
#[inline(always)]
#[allow(unused)]
const fn index_mut(self, i: usize) -> &'a mut T {
&mut self.0[i]
}
}
/** fiat_bignp256_u1 represents values of 1 bits, stored in one byte. */
pub type fiat_bignp256_u1 = u8;
/** fiat_bignp256_i1 represents values of 1 bits, stored in one byte. */
pub type fiat_bignp256_i1 = i8;
/** fiat_bignp256_u2 represents values of 2 bits, stored in one byte. */
pub type fiat_bignp256_u2 = u8;
/** fiat_bignp256_i2 represents values of 2 bits, stored in one byte. */
pub type fiat_bignp256_i2 = i8;
/** The type fiat_bignp256_montgomery_domain_field_element is a field element in the Montgomery domain. */
/** Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
#[derive(Clone, Copy)]
pub struct fiat_bignp256_montgomery_domain_field_element(pub [u64; 4]);
impl core::ops::Index<usize> for fiat_bignp256_montgomery_domain_field_element {
type Output = u64;
#[inline]
fn index(&self, index: usize) -> &Self::Output {
&self.0[index]
}
}
impl core::ops::IndexMut<usize> for fiat_bignp256_montgomery_domain_field_element {
#[inline]
fn index_mut(&mut self, index: usize) -> &mut Self::Output {
&mut self.0[index]
}
}
impl<'a> IndexConst<&'a fiat_bignp256_montgomery_domain_field_element> {
#[allow(unused)]
#[inline(always)]
const fn index(self, i: usize) -> &'a u64 {
&self.0.0[i]
}
}
impl<'a, 'b> IndexConst<&'a mut &'b mut fiat_bignp256_montgomery_domain_field_element> {
#[allow(unused)]
#[inline(always)]
const fn index_mut(self, i: usize) -> &'a mut u64 {
&mut self.0.0[i]
}
}
/** The type fiat_bignp256_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
/** Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
#[derive(Clone, Copy)]
pub struct fiat_bignp256_non_montgomery_domain_field_element(pub [u64; 4]);
impl core::ops::Index<usize> for fiat_bignp256_non_montgomery_domain_field_element {
type Output = u64;
#[inline]
fn index(&self, index: usize) -> &Self::Output {
&self.0[index]
}
}
impl core::ops::IndexMut<usize> for fiat_bignp256_non_montgomery_domain_field_element {
#[inline]
fn index_mut(&mut self, index: usize) -> &mut Self::Output {
&mut self.0[index]
}
}
impl<'a> IndexConst<&'a fiat_bignp256_non_montgomery_domain_field_element> {
#[allow(unused)]
#[inline(always)]
const fn index(self, i: usize) -> &'a u64 {
&self.0.0[i]
}
}
impl<'a, 'b> IndexConst<&'a mut &'b mut fiat_bignp256_non_montgomery_domain_field_element> {
#[allow(unused)]
#[inline(always)]
const fn index_mut(self, i: usize) -> &'a mut u64 {
&mut self.0.0[i]
}
}
/// The function fiat_bignp256_addcarryx_u64 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]
pub const fn fiat_bignp256_addcarryx_u64(
out1: &mut u64,
out2: &mut fiat_bignp256_u1,
arg1: fiat_bignp256_u1,
arg2: u64,
arg3: u64,
) {
let x1: u128 = (((arg1 as u128) + (arg2 as u128)) + (arg3 as u128));
let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
let x3: fiat_bignp256_u1 = ((x1 >> 64) as fiat_bignp256_u1);
*out1 = x2;
*out2 = x3;
}
/// The function fiat_bignp256_subborrowx_u64 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]
pub const fn fiat_bignp256_subborrowx_u64(
out1: &mut u64,
out2: &mut fiat_bignp256_u1,
arg1: fiat_bignp256_u1,
arg2: u64,
arg3: u64,
) {
let x1: i128 = (((arg2 as i128) - (arg1 as i128)) - (arg3 as i128));
let x2: fiat_bignp256_i1 = ((x1 >> 64) as fiat_bignp256_i1);
let x3: u64 = ((x1 & (0xffffffffffffffff as i128)) as u64);
*out1 = x3;
*out2 = (((0x0 as fiat_bignp256_i2) - (x2 as fiat_bignp256_i2)) as fiat_bignp256_u1);
}
/// The function fiat_bignp256_mulx_u64 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]
pub const fn fiat_bignp256_mulx_u64(out1: &mut u64, out2: &mut u64, arg1: u64, arg2: u64) {
let x1: u128 = ((arg1 as u128) * (arg2 as u128));
let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
let x3: u64 = ((x1 >> 64) as u64);
*out1 = x2;
*out2 = x3;
}
/// The function fiat_bignp256_cmovznz_u64 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]
pub const fn fiat_bignp256_cmovznz_u64(
out1: &mut u64,
arg1: fiat_bignp256_u1,
arg2: u64,
arg3: u64,
) {
let x1: fiat_bignp256_u1 = (!(!arg1));
let x2: u64 = ((((((0x0 as fiat_bignp256_i2) - (x1 as fiat_bignp256_i2)) as fiat_bignp256_i1)
as i128)
& (0xffffffffffffffff as i128)) as u64);
let x3: u64 = ((x2 & arg3) | ((!x2) & arg2));
*out1 = x3;
}
/// The function fiat_bignp256_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
///
#[inline]
pub const fn fiat_bignp256_mul(
mut out1: &mut fiat_bignp256_montgomery_domain_field_element,
arg1: &fiat_bignp256_montgomery_domain_field_element,
arg2: &fiat_bignp256_montgomery_domain_field_element,
) {
let x1: u64 = (*IndexConst(arg1).index(1));
let x2: u64 = (*IndexConst(arg1).index(2));
let x3: u64 = (*IndexConst(arg1).index(3));
let x4: u64 = (*IndexConst(arg1).index(0));
let mut x5: u64 = 0;
let mut x6: u64 = 0;
fiat_bignp256_mulx_u64(&mut x5, &mut x6, x4, (*IndexConst(arg2).index(3)));
let mut x7: u64 = 0;
let mut x8: u64 = 0;
fiat_bignp256_mulx_u64(&mut x7, &mut x8, x4, (*IndexConst(arg2).index(2)));
let mut x9: u64 = 0;
let mut x10: u64 = 0;
fiat_bignp256_mulx_u64(&mut x9, &mut x10, x4, (*IndexConst(arg2).index(1)));
let mut x11: u64 = 0;
let mut x12: u64 = 0;
fiat_bignp256_mulx_u64(&mut x11, &mut x12, x4, (*IndexConst(arg2).index(0)));
let mut x13: u64 = 0;
let mut x14: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
let mut x15: u64 = 0;
let mut x16: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
let mut x17: u64 = 0;
let mut x18: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
let x19: u64 = ((x18 as u64) + x6);
let mut x20: u64 = 0;
let mut x21: u64 = 0;
fiat_bignp256_mulx_u64(&mut x20, &mut x21, x11, 0xa53fa94fea53fa95);
let mut x22: u64 = 0;
let mut x23: u64 = 0;
fiat_bignp256_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
let mut x24: u64 = 0;
let mut x25: u64 = 0;
fiat_bignp256_mulx_u64(&mut x24, &mut x25, x20, 0xffffffffffffffff);
let mut x26: u64 = 0;
let mut x27: u64 = 0;
fiat_bignp256_mulx_u64(&mut x26, &mut x27, x20, 0xffffffffffffffff);
let mut x28: u64 = 0;
let mut x29: u64 = 0;
fiat_bignp256_mulx_u64(&mut x28, &mut x29, x20, 0xffffffffffffff43);
let mut x30: u64 = 0;
let mut x31: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
let mut x32: u64 = 0;
let mut x33: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
let mut x34: u64 = 0;
let mut x35: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
let x36: u64 = ((x35 as u64) + x23);
let mut x37: u64 = 0;
let mut x38: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
let mut x39: u64 = 0;
let mut x40: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
let mut x41: u64 = 0;
let mut x42: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
let mut x43: u64 = 0;
let mut x44: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
let mut x45: u64 = 0;
let mut x46: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
let mut x47: u64 = 0;
let mut x48: u64 = 0;
fiat_bignp256_mulx_u64(&mut x47, &mut x48, x1, (*IndexConst(arg2).index(3)));
let mut x49: u64 = 0;
let mut x50: u64 = 0;
fiat_bignp256_mulx_u64(&mut x49, &mut x50, x1, (*IndexConst(arg2).index(2)));
let mut x51: u64 = 0;
let mut x52: u64 = 0;
fiat_bignp256_mulx_u64(&mut x51, &mut x52, x1, (*IndexConst(arg2).index(1)));
let mut x53: u64 = 0;
let mut x54: u64 = 0;
fiat_bignp256_mulx_u64(&mut x53, &mut x54, x1, (*IndexConst(arg2).index(0)));
let mut x55: u64 = 0;
let mut x56: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
let mut x57: u64 = 0;
let mut x58: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
let mut x59: u64 = 0;
let mut x60: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
let x61: u64 = ((x60 as u64) + x48);
let mut x62: u64 = 0;
let mut x63: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
let mut x64: u64 = 0;
let mut x65: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
let mut x66: u64 = 0;
let mut x67: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
let mut x68: u64 = 0;
let mut x69: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
let mut x70: u64 = 0;
let mut x71: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
let mut x72: u64 = 0;
let mut x73: u64 = 0;
fiat_bignp256_mulx_u64(&mut x72, &mut x73, x62, 0xa53fa94fea53fa95);
let mut x74: u64 = 0;
let mut x75: u64 = 0;
fiat_bignp256_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
let mut x76: u64 = 0;
let mut x77: u64 = 0;
fiat_bignp256_mulx_u64(&mut x76, &mut x77, x72, 0xffffffffffffffff);
let mut x78: u64 = 0;
let mut x79: u64 = 0;
fiat_bignp256_mulx_u64(&mut x78, &mut x79, x72, 0xffffffffffffffff);
let mut x80: u64 = 0;
let mut x81: u64 = 0;
fiat_bignp256_mulx_u64(&mut x80, &mut x81, x72, 0xffffffffffffff43);
let mut x82: u64 = 0;
let mut x83: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
let mut x84: u64 = 0;
let mut x85: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
let mut x86: u64 = 0;
let mut x87: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
let x88: u64 = ((x87 as u64) + x75);
let mut x89: u64 = 0;
let mut x90: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
let mut x91: u64 = 0;
let mut x92: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
let mut x93: u64 = 0;
let mut x94: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
let mut x95: u64 = 0;
let mut x96: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
let mut x97: u64 = 0;
let mut x98: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
let x99: u64 = ((x98 as u64) + (x71 as u64));
let mut x100: u64 = 0;
let mut x101: u64 = 0;
fiat_bignp256_mulx_u64(&mut x100, &mut x101, x2, (*IndexConst(arg2).index(3)));
let mut x102: u64 = 0;
let mut x103: u64 = 0;
fiat_bignp256_mulx_u64(&mut x102, &mut x103, x2, (*IndexConst(arg2).index(2)));
let mut x104: u64 = 0;
let mut x105: u64 = 0;
fiat_bignp256_mulx_u64(&mut x104, &mut x105, x2, (*IndexConst(arg2).index(1)));
let mut x106: u64 = 0;
let mut x107: u64 = 0;
fiat_bignp256_mulx_u64(&mut x106, &mut x107, x2, (*IndexConst(arg2).index(0)));
let mut x108: u64 = 0;
let mut x109: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
let mut x110: u64 = 0;
let mut x111: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
let mut x112: u64 = 0;
let mut x113: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
let x114: u64 = ((x113 as u64) + x101);
let mut x115: u64 = 0;
let mut x116: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
let mut x117: u64 = 0;
let mut x118: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
let mut x119: u64 = 0;
let mut x120: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
let mut x121: u64 = 0;
let mut x122: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
let mut x123: u64 = 0;
let mut x124: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
let mut x125: u64 = 0;
let mut x126: u64 = 0;
fiat_bignp256_mulx_u64(&mut x125, &mut x126, x115, 0xa53fa94fea53fa95);
let mut x127: u64 = 0;
let mut x128: u64 = 0;
fiat_bignp256_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
let mut x129: u64 = 0;
let mut x130: u64 = 0;
fiat_bignp256_mulx_u64(&mut x129, &mut x130, x125, 0xffffffffffffffff);
let mut x131: u64 = 0;
let mut x132: u64 = 0;
fiat_bignp256_mulx_u64(&mut x131, &mut x132, x125, 0xffffffffffffffff);
let mut x133: u64 = 0;
let mut x134: u64 = 0;
fiat_bignp256_mulx_u64(&mut x133, &mut x134, x125, 0xffffffffffffff43);
let mut x135: u64 = 0;
let mut x136: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
let mut x137: u64 = 0;
let mut x138: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
let mut x139: u64 = 0;
let mut x140: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
let x141: u64 = ((x140 as u64) + x128);
let mut x142: u64 = 0;
let mut x143: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
let mut x144: u64 = 0;
let mut x145: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
let mut x146: u64 = 0;
let mut x147: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
let mut x148: u64 = 0;
let mut x149: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
let mut x150: u64 = 0;
let mut x151: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
let x152: u64 = ((x151 as u64) + (x124 as u64));
let mut x153: u64 = 0;
let mut x154: u64 = 0;
fiat_bignp256_mulx_u64(&mut x153, &mut x154, x3, (*IndexConst(arg2).index(3)));
let mut x155: u64 = 0;
let mut x156: u64 = 0;
fiat_bignp256_mulx_u64(&mut x155, &mut x156, x3, (*IndexConst(arg2).index(2)));
let mut x157: u64 = 0;
let mut x158: u64 = 0;
fiat_bignp256_mulx_u64(&mut x157, &mut x158, x3, (*IndexConst(arg2).index(1)));
let mut x159: u64 = 0;
let mut x160: u64 = 0;
fiat_bignp256_mulx_u64(&mut x159, &mut x160, x3, (*IndexConst(arg2).index(0)));
let mut x161: u64 = 0;
let mut x162: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
let mut x163: u64 = 0;
let mut x164: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
let mut x165: u64 = 0;
let mut x166: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
let x167: u64 = ((x166 as u64) + x154);
let mut x168: u64 = 0;
let mut x169: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
let mut x170: u64 = 0;
let mut x171: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
let mut x172: u64 = 0;
let mut x173: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
let mut x174: u64 = 0;
let mut x175: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
let mut x176: u64 = 0;
let mut x177: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
let mut x178: u64 = 0;
let mut x179: u64 = 0;
fiat_bignp256_mulx_u64(&mut x178, &mut x179, x168, 0xa53fa94fea53fa95);
let mut x180: u64 = 0;
let mut x181: u64 = 0;
fiat_bignp256_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
let mut x182: u64 = 0;
let mut x183: u64 = 0;
fiat_bignp256_mulx_u64(&mut x182, &mut x183, x178, 0xffffffffffffffff);
let mut x184: u64 = 0;
let mut x185: u64 = 0;
fiat_bignp256_mulx_u64(&mut x184, &mut x185, x178, 0xffffffffffffffff);
let mut x186: u64 = 0;
let mut x187: u64 = 0;
fiat_bignp256_mulx_u64(&mut x186, &mut x187, x178, 0xffffffffffffff43);
let mut x188: u64 = 0;
let mut x189: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
let mut x190: u64 = 0;
let mut x191: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
let mut x192: u64 = 0;
let mut x193: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
let x194: u64 = ((x193 as u64) + x181);
let mut x195: u64 = 0;
let mut x196: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
let mut x197: u64 = 0;
let mut x198: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
let mut x199: u64 = 0;
let mut x200: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
let mut x201: u64 = 0;
let mut x202: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
let mut x203: u64 = 0;
let mut x204: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
let x205: u64 = ((x204 as u64) + (x177 as u64));
let mut x206: u64 = 0;
let mut x207: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xffffffffffffff43);
let mut x208: u64 = 0;
let mut x209: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xffffffffffffffff);
let mut x210: u64 = 0;
let mut x211: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xffffffffffffffff);
let mut x212: u64 = 0;
let mut x213: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
let mut x214: u64 = 0;
let mut x215: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
let mut x216: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x216, x215, x206, x197);
let mut x217: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x217, x215, x208, x199);
let mut x218: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x218, x215, x210, x201);
let mut x219: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x219, x215, x212, x203);
*IndexConst(&mut out1).index_mut(0) = x216;
*IndexConst(&mut out1).index_mut(1) = x217;
*IndexConst(&mut out1).index_mut(2) = x218;
*IndexConst(&mut out1).index_mut(3) = x219;
}
/// The function fiat_bignp256_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
///
#[inline]
pub const fn fiat_bignp256_square(
mut out1: &mut fiat_bignp256_montgomery_domain_field_element,
arg1: &fiat_bignp256_montgomery_domain_field_element,
) {
let x1: u64 = (*IndexConst(arg1).index(1));
let x2: u64 = (*IndexConst(arg1).index(2));
let x3: u64 = (*IndexConst(arg1).index(3));
let x4: u64 = (*IndexConst(arg1).index(0));
let mut x5: u64 = 0;
let mut x6: u64 = 0;
fiat_bignp256_mulx_u64(&mut x5, &mut x6, x4, (*IndexConst(arg1).index(3)));
let mut x7: u64 = 0;
let mut x8: u64 = 0;
fiat_bignp256_mulx_u64(&mut x7, &mut x8, x4, (*IndexConst(arg1).index(2)));
let mut x9: u64 = 0;
let mut x10: u64 = 0;
fiat_bignp256_mulx_u64(&mut x9, &mut x10, x4, (*IndexConst(arg1).index(1)));
let mut x11: u64 = 0;
let mut x12: u64 = 0;
fiat_bignp256_mulx_u64(&mut x11, &mut x12, x4, (*IndexConst(arg1).index(0)));
let mut x13: u64 = 0;
let mut x14: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
let mut x15: u64 = 0;
let mut x16: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
let mut x17: u64 = 0;
let mut x18: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
let x19: u64 = ((x18 as u64) + x6);
let mut x20: u64 = 0;
let mut x21: u64 = 0;
fiat_bignp256_mulx_u64(&mut x20, &mut x21, x11, 0xa53fa94fea53fa95);
let mut x22: u64 = 0;
let mut x23: u64 = 0;
fiat_bignp256_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
let mut x24: u64 = 0;
let mut x25: u64 = 0;
fiat_bignp256_mulx_u64(&mut x24, &mut x25, x20, 0xffffffffffffffff);
let mut x26: u64 = 0;
let mut x27: u64 = 0;
fiat_bignp256_mulx_u64(&mut x26, &mut x27, x20, 0xffffffffffffffff);
let mut x28: u64 = 0;
let mut x29: u64 = 0;
fiat_bignp256_mulx_u64(&mut x28, &mut x29, x20, 0xffffffffffffff43);
let mut x30: u64 = 0;
let mut x31: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
let mut x32: u64 = 0;
let mut x33: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
let mut x34: u64 = 0;
let mut x35: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
let x36: u64 = ((x35 as u64) + x23);
let mut x37: u64 = 0;
let mut x38: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
let mut x39: u64 = 0;
let mut x40: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
let mut x41: u64 = 0;
let mut x42: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
let mut x43: u64 = 0;
let mut x44: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
let mut x45: u64 = 0;
let mut x46: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
let mut x47: u64 = 0;
let mut x48: u64 = 0;
fiat_bignp256_mulx_u64(&mut x47, &mut x48, x1, (*IndexConst(arg1).index(3)));
let mut x49: u64 = 0;
let mut x50: u64 = 0;
fiat_bignp256_mulx_u64(&mut x49, &mut x50, x1, (*IndexConst(arg1).index(2)));
let mut x51: u64 = 0;
let mut x52: u64 = 0;
fiat_bignp256_mulx_u64(&mut x51, &mut x52, x1, (*IndexConst(arg1).index(1)));
let mut x53: u64 = 0;
let mut x54: u64 = 0;
fiat_bignp256_mulx_u64(&mut x53, &mut x54, x1, (*IndexConst(arg1).index(0)));
let mut x55: u64 = 0;
let mut x56: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
let mut x57: u64 = 0;
let mut x58: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
let mut x59: u64 = 0;
let mut x60: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
let x61: u64 = ((x60 as u64) + x48);
let mut x62: u64 = 0;
let mut x63: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
let mut x64: u64 = 0;
let mut x65: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
let mut x66: u64 = 0;
let mut x67: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
let mut x68: u64 = 0;
let mut x69: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
let mut x70: u64 = 0;
let mut x71: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
let mut x72: u64 = 0;
let mut x73: u64 = 0;
fiat_bignp256_mulx_u64(&mut x72, &mut x73, x62, 0xa53fa94fea53fa95);
let mut x74: u64 = 0;
let mut x75: u64 = 0;
fiat_bignp256_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
let mut x76: u64 = 0;
let mut x77: u64 = 0;
fiat_bignp256_mulx_u64(&mut x76, &mut x77, x72, 0xffffffffffffffff);
let mut x78: u64 = 0;
let mut x79: u64 = 0;
fiat_bignp256_mulx_u64(&mut x78, &mut x79, x72, 0xffffffffffffffff);
let mut x80: u64 = 0;
let mut x81: u64 = 0;
fiat_bignp256_mulx_u64(&mut x80, &mut x81, x72, 0xffffffffffffff43);
let mut x82: u64 = 0;
let mut x83: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
let mut x84: u64 = 0;
let mut x85: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
let mut x86: u64 = 0;
let mut x87: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
let x88: u64 = ((x87 as u64) + x75);
let mut x89: u64 = 0;
let mut x90: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
let mut x91: u64 = 0;
let mut x92: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
let mut x93: u64 = 0;
let mut x94: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
let mut x95: u64 = 0;
let mut x96: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
let mut x97: u64 = 0;
let mut x98: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
let x99: u64 = ((x98 as u64) + (x71 as u64));
let mut x100: u64 = 0;
let mut x101: u64 = 0;
fiat_bignp256_mulx_u64(&mut x100, &mut x101, x2, (*IndexConst(arg1).index(3)));
let mut x102: u64 = 0;
let mut x103: u64 = 0;
fiat_bignp256_mulx_u64(&mut x102, &mut x103, x2, (*IndexConst(arg1).index(2)));
let mut x104: u64 = 0;
let mut x105: u64 = 0;
fiat_bignp256_mulx_u64(&mut x104, &mut x105, x2, (*IndexConst(arg1).index(1)));
let mut x106: u64 = 0;
let mut x107: u64 = 0;
fiat_bignp256_mulx_u64(&mut x106, &mut x107, x2, (*IndexConst(arg1).index(0)));
let mut x108: u64 = 0;
let mut x109: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
let mut x110: u64 = 0;
let mut x111: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
let mut x112: u64 = 0;
let mut x113: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
let x114: u64 = ((x113 as u64) + x101);
let mut x115: u64 = 0;
let mut x116: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
let mut x117: u64 = 0;
let mut x118: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
let mut x119: u64 = 0;
let mut x120: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
let mut x121: u64 = 0;
let mut x122: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
let mut x123: u64 = 0;
let mut x124: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
let mut x125: u64 = 0;
let mut x126: u64 = 0;
fiat_bignp256_mulx_u64(&mut x125, &mut x126, x115, 0xa53fa94fea53fa95);
let mut x127: u64 = 0;
let mut x128: u64 = 0;
fiat_bignp256_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
let mut x129: u64 = 0;
let mut x130: u64 = 0;
fiat_bignp256_mulx_u64(&mut x129, &mut x130, x125, 0xffffffffffffffff);
let mut x131: u64 = 0;
let mut x132: u64 = 0;
fiat_bignp256_mulx_u64(&mut x131, &mut x132, x125, 0xffffffffffffffff);
let mut x133: u64 = 0;
let mut x134: u64 = 0;
fiat_bignp256_mulx_u64(&mut x133, &mut x134, x125, 0xffffffffffffff43);
let mut x135: u64 = 0;
let mut x136: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
let mut x137: u64 = 0;
let mut x138: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
let mut x139: u64 = 0;
let mut x140: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
let x141: u64 = ((x140 as u64) + x128);
let mut x142: u64 = 0;
let mut x143: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
let mut x144: u64 = 0;
let mut x145: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
let mut x146: u64 = 0;
let mut x147: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
let mut x148: u64 = 0;
let mut x149: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
let mut x150: u64 = 0;
let mut x151: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
let x152: u64 = ((x151 as u64) + (x124 as u64));
let mut x153: u64 = 0;
let mut x154: u64 = 0;
fiat_bignp256_mulx_u64(&mut x153, &mut x154, x3, (*IndexConst(arg1).index(3)));
let mut x155: u64 = 0;
let mut x156: u64 = 0;
fiat_bignp256_mulx_u64(&mut x155, &mut x156, x3, (*IndexConst(arg1).index(2)));
let mut x157: u64 = 0;
let mut x158: u64 = 0;
fiat_bignp256_mulx_u64(&mut x157, &mut x158, x3, (*IndexConst(arg1).index(1)));
let mut x159: u64 = 0;
let mut x160: u64 = 0;
fiat_bignp256_mulx_u64(&mut x159, &mut x160, x3, (*IndexConst(arg1).index(0)));
let mut x161: u64 = 0;
let mut x162: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
let mut x163: u64 = 0;
let mut x164: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
let mut x165: u64 = 0;
let mut x166: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
let x167: u64 = ((x166 as u64) + x154);
let mut x168: u64 = 0;
let mut x169: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
let mut x170: u64 = 0;
let mut x171: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
let mut x172: u64 = 0;
let mut x173: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
let mut x174: u64 = 0;
let mut x175: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
let mut x176: u64 = 0;
let mut x177: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
let mut x178: u64 = 0;
let mut x179: u64 = 0;
fiat_bignp256_mulx_u64(&mut x178, &mut x179, x168, 0xa53fa94fea53fa95);
let mut x180: u64 = 0;
let mut x181: u64 = 0;
fiat_bignp256_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
let mut x182: u64 = 0;
let mut x183: u64 = 0;
fiat_bignp256_mulx_u64(&mut x182, &mut x183, x178, 0xffffffffffffffff);
let mut x184: u64 = 0;
let mut x185: u64 = 0;
fiat_bignp256_mulx_u64(&mut x184, &mut x185, x178, 0xffffffffffffffff);
let mut x186: u64 = 0;
let mut x187: u64 = 0;
fiat_bignp256_mulx_u64(&mut x186, &mut x187, x178, 0xffffffffffffff43);
let mut x188: u64 = 0;
let mut x189: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
let mut x190: u64 = 0;
let mut x191: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
let mut x192: u64 = 0;
let mut x193: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
let x194: u64 = ((x193 as u64) + x181);
let mut x195: u64 = 0;
let mut x196: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
let mut x197: u64 = 0;
let mut x198: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
let mut x199: u64 = 0;
let mut x200: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
let mut x201: u64 = 0;
let mut x202: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
let mut x203: u64 = 0;
let mut x204: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
let x205: u64 = ((x204 as u64) + (x177 as u64));
let mut x206: u64 = 0;
let mut x207: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xffffffffffffff43);
let mut x208: u64 = 0;
let mut x209: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xffffffffffffffff);
let mut x210: u64 = 0;
let mut x211: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xffffffffffffffff);
let mut x212: u64 = 0;
let mut x213: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
let mut x214: u64 = 0;
let mut x215: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
let mut x216: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x216, x215, x206, x197);
let mut x217: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x217, x215, x208, x199);
let mut x218: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x218, x215, x210, x201);
let mut x219: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x219, x215, x212, x203);
*IndexConst(&mut out1).index_mut(0) = x216;
*IndexConst(&mut out1).index_mut(1) = x217;
*IndexConst(&mut out1).index_mut(2) = x218;
*IndexConst(&mut out1).index_mut(3) = x219;
}
/// The function fiat_bignp256_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
///
#[inline]
pub const fn fiat_bignp256_add(
mut out1: &mut fiat_bignp256_montgomery_domain_field_element,
arg1: &fiat_bignp256_montgomery_domain_field_element,
arg2: &fiat_bignp256_montgomery_domain_field_element,
) {
let mut x1: u64 = 0;
let mut x2: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x1,
&mut x2,
0x0,
(*IndexConst(arg1).index(0)),
(*IndexConst(arg2).index(0)),
);
let mut x3: u64 = 0;
let mut x4: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x3,
&mut x4,
x2,
(*IndexConst(arg1).index(1)),
(*IndexConst(arg2).index(1)),
);
let mut x5: u64 = 0;
let mut x6: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x5,
&mut x6,
x4,
(*IndexConst(arg1).index(2)),
(*IndexConst(arg2).index(2)),
);
let mut x7: u64 = 0;
let mut x8: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x7,
&mut x8,
x6,
(*IndexConst(arg1).index(3)),
(*IndexConst(arg2).index(3)),
);
let mut x9: u64 = 0;
let mut x10: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x9, &mut x10, 0x0, x1, 0xffffffffffffff43);
let mut x11: u64 = 0;
let mut x12: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x11, &mut x12, x10, x3, 0xffffffffffffffff);
let mut x13: u64 = 0;
let mut x14: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x13, &mut x14, x12, x5, 0xffffffffffffffff);
let mut x15: u64 = 0;
let mut x16: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x15, &mut x16, x14, x7, 0xffffffffffffffff);
let mut x17: u64 = 0;
let mut x18: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x17, &mut x18, x16, (x8 as u64), (0x0 as u64));
let mut x19: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x19, x18, x9, x1);
let mut x20: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x20, x18, x11, x3);
let mut x21: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x21, x18, x13, x5);
let mut x22: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x22, x18, x15, x7);
*IndexConst(&mut out1).index_mut(0) = x19;
*IndexConst(&mut out1).index_mut(1) = x20;
*IndexConst(&mut out1).index_mut(2) = x21;
*IndexConst(&mut out1).index_mut(3) = x22;
}
/// The function fiat_bignp256_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
///
#[inline]
pub const fn fiat_bignp256_sub(
mut out1: &mut fiat_bignp256_montgomery_domain_field_element,
arg1: &fiat_bignp256_montgomery_domain_field_element,
arg2: &fiat_bignp256_montgomery_domain_field_element,
) {
let mut x1: u64 = 0;
let mut x2: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x1,
&mut x2,
0x0,
(*IndexConst(arg1).index(0)),
(*IndexConst(arg2).index(0)),
);
let mut x3: u64 = 0;
let mut x4: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x3,
&mut x4,
x2,
(*IndexConst(arg1).index(1)),
(*IndexConst(arg2).index(1)),
);
let mut x5: u64 = 0;
let mut x6: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x5,
&mut x6,
x4,
(*IndexConst(arg1).index(2)),
(*IndexConst(arg2).index(2)),
);
let mut x7: u64 = 0;
let mut x8: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x7,
&mut x8,
x6,
(*IndexConst(arg1).index(3)),
(*IndexConst(arg2).index(3)),
);
let mut x9: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
let mut x10: u64 = 0;
let mut x11: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xffffffffffffff43));
let mut x12: u64 = 0;
let mut x13: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x12, &mut x13, x11, x3, x9);
let mut x14: u64 = 0;
let mut x15: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x14, &mut x15, x13, x5, x9);
let mut x16: u64 = 0;
let mut x17: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
*IndexConst(&mut out1).index_mut(0) = x10;
*IndexConst(&mut out1).index_mut(1) = x12;
*IndexConst(&mut out1).index_mut(2) = x14;
*IndexConst(&mut out1).index_mut(3) = x16;
}
/// The function fiat_bignp256_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
///
#[inline]
pub const fn fiat_bignp256_opp(
mut out1: &mut fiat_bignp256_montgomery_domain_field_element,
arg1: &fiat_bignp256_montgomery_domain_field_element,
) {
let mut x1: u64 = 0;
let mut x2: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x1,
&mut x2,
0x0,
(0x0 as u64),
(*IndexConst(arg1).index(0)),
);
let mut x3: u64 = 0;
let mut x4: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x3,
&mut x4,
x2,
(0x0 as u64),
(*IndexConst(arg1).index(1)),
);
let mut x5: u64 = 0;
let mut x6: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x5,
&mut x6,
x4,
(0x0 as u64),
(*IndexConst(arg1).index(2)),
);
let mut x7: u64 = 0;
let mut x8: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(
&mut x7,
&mut x8,
x6,
(0x0 as u64),
(*IndexConst(arg1).index(3)),
);
let mut x9: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
let mut x10: u64 = 0;
let mut x11: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xffffffffffffff43));
let mut x12: u64 = 0;
let mut x13: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x12, &mut x13, x11, x3, x9);
let mut x14: u64 = 0;
let mut x15: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x14, &mut x15, x13, x5, x9);
let mut x16: u64 = 0;
let mut x17: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
*IndexConst(&mut out1).index_mut(0) = x10;
*IndexConst(&mut out1).index_mut(1) = x12;
*IndexConst(&mut out1).index_mut(2) = x14;
*IndexConst(&mut out1).index_mut(3) = x16;
}
/// The function fiat_bignp256_from_montgomery 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)^4) mod m
/// 0 ≤ eval out1 < m
///
#[inline]
pub const fn fiat_bignp256_from_montgomery(
mut out1: &mut fiat_bignp256_non_montgomery_domain_field_element,
arg1: &fiat_bignp256_montgomery_domain_field_element,
) {
let x1: u64 = (*IndexConst(arg1).index(0));
let mut x2: u64 = 0;
let mut x3: u64 = 0;
fiat_bignp256_mulx_u64(&mut x2, &mut x3, x1, 0xa53fa94fea53fa95);
let mut x4: u64 = 0;
let mut x5: u64 = 0;
fiat_bignp256_mulx_u64(&mut x4, &mut x5, x2, 0xffffffffffffffff);
let mut x6: u64 = 0;
let mut x7: u64 = 0;
fiat_bignp256_mulx_u64(&mut x6, &mut x7, x2, 0xffffffffffffffff);
let mut x8: u64 = 0;
let mut x9: u64 = 0;
fiat_bignp256_mulx_u64(&mut x8, &mut x9, x2, 0xffffffffffffffff);
let mut x10: u64 = 0;
let mut x11: u64 = 0;
fiat_bignp256_mulx_u64(&mut x10, &mut x11, x2, 0xffffffffffffff43);
let mut x12: u64 = 0;
let mut x13: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x12, &mut x13, 0x0, x11, x8);
let mut x14: u64 = 0;
let mut x15: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x14, &mut x15, x13, x9, x6);
let mut x16: u64 = 0;
let mut x17: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x16, &mut x17, x15, x7, x4);
let mut x18: u64 = 0;
let mut x19: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x18, &mut x19, 0x0, x1, x10);
let mut x20: u64 = 0;
let mut x21: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), x12);
let mut x22: u64 = 0;
let mut x23: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x22, &mut x23, x21, (0x0 as u64), x14);
let mut x24: u64 = 0;
let mut x25: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x24, &mut x25, x23, (0x0 as u64), x16);
let mut x26: u64 = 0;
let mut x27: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x26, &mut x27, x25, (0x0 as u64), ((x17 as u64) + x5));
let mut x28: u64 = 0;
let mut x29: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x28, &mut x29, 0x0, x20, (*IndexConst(arg1).index(1)));
let mut x30: u64 = 0;
let mut x31: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x30, &mut x31, x29, x22, (0x0 as u64));
let mut x32: u64 = 0;
let mut x33: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x32, &mut x33, x31, x24, (0x0 as u64));
let mut x34: u64 = 0;
let mut x35: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x34, &mut x35, x33, x26, (0x0 as u64));
let mut x36: u64 = 0;
let mut x37: u64 = 0;
fiat_bignp256_mulx_u64(&mut x36, &mut x37, x28, 0xa53fa94fea53fa95);
let mut x38: u64 = 0;
let mut x39: u64 = 0;
fiat_bignp256_mulx_u64(&mut x38, &mut x39, x36, 0xffffffffffffffff);
let mut x40: u64 = 0;
let mut x41: u64 = 0;
fiat_bignp256_mulx_u64(&mut x40, &mut x41, x36, 0xffffffffffffffff);
let mut x42: u64 = 0;
let mut x43: u64 = 0;
fiat_bignp256_mulx_u64(&mut x42, &mut x43, x36, 0xffffffffffffffff);
let mut x44: u64 = 0;
let mut x45: u64 = 0;
fiat_bignp256_mulx_u64(&mut x44, &mut x45, x36, 0xffffffffffffff43);
let mut x46: u64 = 0;
let mut x47: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x46, &mut x47, 0x0, x45, x42);
let mut x48: u64 = 0;
let mut x49: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x48, &mut x49, x47, x43, x40);
let mut x50: u64 = 0;
let mut x51: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x50, &mut x51, x49, x41, x38);
let mut x52: u64 = 0;
let mut x53: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x52, &mut x53, 0x0, x28, x44);
let mut x54: u64 = 0;
let mut x55: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x54, &mut x55, x53, x30, x46);
let mut x56: u64 = 0;
let mut x57: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x56, &mut x57, x55, x32, x48);
let mut x58: u64 = 0;
let mut x59: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x58, &mut x59, x57, x34, x50);
let mut x60: u64 = 0;
let mut x61: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x60,
&mut x61,
x59,
((x35 as u64) + (x27 as u64)),
((x51 as u64) + x39),
);
let mut x62: u64 = 0;
let mut x63: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x62, &mut x63, 0x0, x54, (*IndexConst(arg1).index(2)));
let mut x64: u64 = 0;
let mut x65: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x64, &mut x65, x63, x56, (0x0 as u64));
let mut x66: u64 = 0;
let mut x67: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x66, &mut x67, x65, x58, (0x0 as u64));
let mut x68: u64 = 0;
let mut x69: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x68, &mut x69, x67, x60, (0x0 as u64));
let mut x70: u64 = 0;
let mut x71: u64 = 0;
fiat_bignp256_mulx_u64(&mut x70, &mut x71, x62, 0xa53fa94fea53fa95);
let mut x72: u64 = 0;
let mut x73: u64 = 0;
fiat_bignp256_mulx_u64(&mut x72, &mut x73, x70, 0xffffffffffffffff);
let mut x74: u64 = 0;
let mut x75: u64 = 0;
fiat_bignp256_mulx_u64(&mut x74, &mut x75, x70, 0xffffffffffffffff);
let mut x76: u64 = 0;
let mut x77: u64 = 0;
fiat_bignp256_mulx_u64(&mut x76, &mut x77, x70, 0xffffffffffffffff);
let mut x78: u64 = 0;
let mut x79: u64 = 0;
fiat_bignp256_mulx_u64(&mut x78, &mut x79, x70, 0xffffffffffffff43);
let mut x80: u64 = 0;
let mut x81: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x80, &mut x81, 0x0, x79, x76);
let mut x82: u64 = 0;
let mut x83: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x82, &mut x83, x81, x77, x74);
let mut x84: u64 = 0;
let mut x85: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x84, &mut x85, x83, x75, x72);
let mut x86: u64 = 0;
let mut x87: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x86, &mut x87, 0x0, x62, x78);
let mut x88: u64 = 0;
let mut x89: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x88, &mut x89, x87, x64, x80);
let mut x90: u64 = 0;
let mut x91: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x90, &mut x91, x89, x66, x82);
let mut x92: u64 = 0;
let mut x93: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x92, &mut x93, x91, x68, x84);
let mut x94: u64 = 0;
let mut x95: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x94,
&mut x95,
x93,
((x69 as u64) + (x61 as u64)),
((x85 as u64) + x73),
);
let mut x96: u64 = 0;
let mut x97: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x96, &mut x97, 0x0, x88, (*IndexConst(arg1).index(3)));
let mut x98: u64 = 0;
let mut x99: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x98, &mut x99, x97, x90, (0x0 as u64));
let mut x100: u64 = 0;
let mut x101: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x100, &mut x101, x99, x92, (0x0 as u64));
let mut x102: u64 = 0;
let mut x103: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x102, &mut x103, x101, x94, (0x0 as u64));
let mut x104: u64 = 0;
let mut x105: u64 = 0;
fiat_bignp256_mulx_u64(&mut x104, &mut x105, x96, 0xa53fa94fea53fa95);
let mut x106: u64 = 0;
let mut x107: u64 = 0;
fiat_bignp256_mulx_u64(&mut x106, &mut x107, x104, 0xffffffffffffffff);
let mut x108: u64 = 0;
let mut x109: u64 = 0;
fiat_bignp256_mulx_u64(&mut x108, &mut x109, x104, 0xffffffffffffffff);
let mut x110: u64 = 0;
let mut x111: u64 = 0;
fiat_bignp256_mulx_u64(&mut x110, &mut x111, x104, 0xffffffffffffffff);
let mut x112: u64 = 0;
let mut x113: u64 = 0;
fiat_bignp256_mulx_u64(&mut x112, &mut x113, x104, 0xffffffffffffff43);
let mut x114: u64 = 0;
let mut x115: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x114, &mut x115, 0x0, x113, x110);
let mut x116: u64 = 0;
let mut x117: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x116, &mut x117, x115, x111, x108);
let mut x118: u64 = 0;
let mut x119: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x118, &mut x119, x117, x109, x106);
let mut x120: u64 = 0;
let mut x121: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x120, &mut x121, 0x0, x96, x112);
let mut x122: u64 = 0;
let mut x123: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x122, &mut x123, x121, x98, x114);
let mut x124: u64 = 0;
let mut x125: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x124, &mut x125, x123, x100, x116);
let mut x126: u64 = 0;
let mut x127: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x126, &mut x127, x125, x102, x118);
let mut x128: u64 = 0;
let mut x129: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x128,
&mut x129,
x127,
((x103 as u64) + (x95 as u64)),
((x119 as u64) + x107),
);
let mut x130: u64 = 0;
let mut x131: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x130, &mut x131, 0x0, x122, 0xffffffffffffff43);
let mut x132: u64 = 0;
let mut x133: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x132, &mut x133, x131, x124, 0xffffffffffffffff);
let mut x134: u64 = 0;
let mut x135: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x134, &mut x135, x133, x126, 0xffffffffffffffff);
let mut x136: u64 = 0;
let mut x137: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x136, &mut x137, x135, x128, 0xffffffffffffffff);
let mut x138: u64 = 0;
let mut x139: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x138, &mut x139, x137, (x129 as u64), (0x0 as u64));
let mut x140: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x140, x139, x130, x122);
let mut x141: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x141, x139, x132, x124);
let mut x142: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x142, x139, x134, x126);
let mut x143: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x143, x139, x136, x128);
*IndexConst(&mut out1).index_mut(0) = x140;
*IndexConst(&mut out1).index_mut(1) = x141;
*IndexConst(&mut out1).index_mut(2) = x142;
*IndexConst(&mut out1).index_mut(3) = x143;
}
/// The function fiat_bignp256_to_montgomery 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
///
#[inline]
pub const fn fiat_bignp256_to_montgomery(
mut out1: &mut fiat_bignp256_montgomery_domain_field_element,
arg1: &fiat_bignp256_non_montgomery_domain_field_element,
) {
let mut x1: u64 = 0;
let mut x2: u64 = 0;
fiat_bignp256_mulx_u64(&mut x1, &mut x2, (*IndexConst(arg1).index(0)), 0x8b89);
let mut x3: u64 = 0;
let mut x4: u64 = 0;
fiat_bignp256_mulx_u64(&mut x3, &mut x4, x1, 0xa53fa94fea53fa95);
let mut x5: u64 = 0;
let mut x6: u64 = 0;
fiat_bignp256_mulx_u64(&mut x5, &mut x6, x3, 0xffffffffffffffff);
let mut x7: u64 = 0;
let mut x8: u64 = 0;
fiat_bignp256_mulx_u64(&mut x7, &mut x8, x3, 0xffffffffffffffff);
let mut x9: u64 = 0;
let mut x10: u64 = 0;
fiat_bignp256_mulx_u64(&mut x9, &mut x10, x3, 0xffffffffffffffff);
let mut x11: u64 = 0;
let mut x12: u64 = 0;
fiat_bignp256_mulx_u64(&mut x11, &mut x12, x3, 0xffffffffffffff43);
let mut x13: u64 = 0;
let mut x14: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
let mut x15: u64 = 0;
let mut x16: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
let mut x17: u64 = 0;
let mut x18: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
let mut x19: u64 = 0;
let mut x20: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x19, &mut x20, 0x0, x1, x11);
let mut x21: u64 = 0;
let mut x22: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x21, &mut x22, x20, x2, x13);
let mut x23: u64 = 0;
let mut x24: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x23, &mut x24, x22, (0x0 as u64), x15);
let mut x25: u64 = 0;
let mut x26: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x25, &mut x26, x24, (0x0 as u64), x17);
let mut x27: u64 = 0;
let mut x28: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x27, &mut x28, x26, (0x0 as u64), ((x18 as u64) + x6));
let mut x29: u64 = 0;
let mut x30: u64 = 0;
fiat_bignp256_mulx_u64(&mut x29, &mut x30, (*IndexConst(arg1).index(1)), 0x8b89);
let mut x31: u64 = 0;
let mut x32: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x31, &mut x32, 0x0, x21, x29);
let mut x33: u64 = 0;
let mut x34: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x33, &mut x34, x32, x23, x30);
let mut x35: u64 = 0;
let mut x36: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x35, &mut x36, x34, x25, (0x0 as u64));
let mut x37: u64 = 0;
let mut x38: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x37, &mut x38, x36, x27, (0x0 as u64));
let mut x39: u64 = 0;
let mut x40: u64 = 0;
fiat_bignp256_mulx_u64(&mut x39, &mut x40, x31, 0xa53fa94fea53fa95);
let mut x41: u64 = 0;
let mut x42: u64 = 0;
fiat_bignp256_mulx_u64(&mut x41, &mut x42, x39, 0xffffffffffffffff);
let mut x43: u64 = 0;
let mut x44: u64 = 0;
fiat_bignp256_mulx_u64(&mut x43, &mut x44, x39, 0xffffffffffffffff);
let mut x45: u64 = 0;
let mut x46: u64 = 0;
fiat_bignp256_mulx_u64(&mut x45, &mut x46, x39, 0xffffffffffffffff);
let mut x47: u64 = 0;
let mut x48: u64 = 0;
fiat_bignp256_mulx_u64(&mut x47, &mut x48, x39, 0xffffffffffffff43);
let mut x49: u64 = 0;
let mut x50: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x49, &mut x50, 0x0, x48, x45);
let mut x51: u64 = 0;
let mut x52: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x51, &mut x52, x50, x46, x43);
let mut x53: u64 = 0;
let mut x54: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x53, &mut x54, x52, x44, x41);
let mut x55: u64 = 0;
let mut x56: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x55, &mut x56, 0x0, x31, x47);
let mut x57: u64 = 0;
let mut x58: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x57, &mut x58, x56, x33, x49);
let mut x59: u64 = 0;
let mut x60: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x59, &mut x60, x58, x35, x51);
let mut x61: u64 = 0;
let mut x62: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x61, &mut x62, x60, x37, x53);
let mut x63: u64 = 0;
let mut x64: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x63,
&mut x64,
x62,
((x38 as u64) + (x28 as u64)),
((x54 as u64) + x42),
);
let mut x65: u64 = 0;
let mut x66: u64 = 0;
fiat_bignp256_mulx_u64(&mut x65, &mut x66, (*IndexConst(arg1).index(2)), 0x8b89);
let mut x67: u64 = 0;
let mut x68: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x67, &mut x68, 0x0, x57, x65);
let mut x69: u64 = 0;
let mut x70: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x69, &mut x70, x68, x59, x66);
let mut x71: u64 = 0;
let mut x72: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x71, &mut x72, x70, x61, (0x0 as u64));
let mut x73: u64 = 0;
let mut x74: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x73, &mut x74, x72, x63, (0x0 as u64));
let mut x75: u64 = 0;
let mut x76: u64 = 0;
fiat_bignp256_mulx_u64(&mut x75, &mut x76, x67, 0xa53fa94fea53fa95);
let mut x77: u64 = 0;
let mut x78: u64 = 0;
fiat_bignp256_mulx_u64(&mut x77, &mut x78, x75, 0xffffffffffffffff);
let mut x79: u64 = 0;
let mut x80: u64 = 0;
fiat_bignp256_mulx_u64(&mut x79, &mut x80, x75, 0xffffffffffffffff);
let mut x81: u64 = 0;
let mut x82: u64 = 0;
fiat_bignp256_mulx_u64(&mut x81, &mut x82, x75, 0xffffffffffffffff);
let mut x83: u64 = 0;
let mut x84: u64 = 0;
fiat_bignp256_mulx_u64(&mut x83, &mut x84, x75, 0xffffffffffffff43);
let mut x85: u64 = 0;
let mut x86: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x85, &mut x86, 0x0, x84, x81);
let mut x87: u64 = 0;
let mut x88: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x87, &mut x88, x86, x82, x79);
let mut x89: u64 = 0;
let mut x90: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x89, &mut x90, x88, x80, x77);
let mut x91: u64 = 0;
let mut x92: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x91, &mut x92, 0x0, x67, x83);
let mut x93: u64 = 0;
let mut x94: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x93, &mut x94, x92, x69, x85);
let mut x95: u64 = 0;
let mut x96: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x95, &mut x96, x94, x71, x87);
let mut x97: u64 = 0;
let mut x98: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x97, &mut x98, x96, x73, x89);
let mut x99: u64 = 0;
let mut x100: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x99,
&mut x100,
x98,
((x74 as u64) + (x64 as u64)),
((x90 as u64) + x78),
);
let mut x101: u64 = 0;
let mut x102: u64 = 0;
fiat_bignp256_mulx_u64(&mut x101, &mut x102, (*IndexConst(arg1).index(3)), 0x8b89);
let mut x103: u64 = 0;
let mut x104: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x103, &mut x104, 0x0, x93, x101);
let mut x105: u64 = 0;
let mut x106: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x105, &mut x106, x104, x95, x102);
let mut x107: u64 = 0;
let mut x108: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x107, &mut x108, x106, x97, (0x0 as u64));
let mut x109: u64 = 0;
let mut x110: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x109, &mut x110, x108, x99, (0x0 as u64));
let mut x111: u64 = 0;
let mut x112: u64 = 0;
fiat_bignp256_mulx_u64(&mut x111, &mut x112, x103, 0xa53fa94fea53fa95);
let mut x113: u64 = 0;
let mut x114: u64 = 0;
fiat_bignp256_mulx_u64(&mut x113, &mut x114, x111, 0xffffffffffffffff);
let mut x115: u64 = 0;
let mut x116: u64 = 0;
fiat_bignp256_mulx_u64(&mut x115, &mut x116, x111, 0xffffffffffffffff);
let mut x117: u64 = 0;
let mut x118: u64 = 0;
fiat_bignp256_mulx_u64(&mut x117, &mut x118, x111, 0xffffffffffffffff);
let mut x119: u64 = 0;
let mut x120: u64 = 0;
fiat_bignp256_mulx_u64(&mut x119, &mut x120, x111, 0xffffffffffffff43);
let mut x121: u64 = 0;
let mut x122: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x121, &mut x122, 0x0, x120, x117);
let mut x123: u64 = 0;
let mut x124: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x123, &mut x124, x122, x118, x115);
let mut x125: u64 = 0;
let mut x126: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x125, &mut x126, x124, x116, x113);
let mut x127: u64 = 0;
let mut x128: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x127, &mut x128, 0x0, x103, x119);
let mut x129: u64 = 0;
let mut x130: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x129, &mut x130, x128, x105, x121);
let mut x131: u64 = 0;
let mut x132: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x131, &mut x132, x130, x107, x123);
let mut x133: u64 = 0;
let mut x134: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x133, &mut x134, x132, x109, x125);
let mut x135: u64 = 0;
let mut x136: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x135,
&mut x136,
x134,
((x110 as u64) + (x100 as u64)),
((x126 as u64) + x114),
);
let mut x137: u64 = 0;
let mut x138: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x137, &mut x138, 0x0, x129, 0xffffffffffffff43);
let mut x139: u64 = 0;
let mut x140: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x139, &mut x140, x138, x131, 0xffffffffffffffff);
let mut x141: u64 = 0;
let mut x142: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x141, &mut x142, x140, x133, 0xffffffffffffffff);
let mut x143: u64 = 0;
let mut x144: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x143, &mut x144, x142, x135, 0xffffffffffffffff);
let mut x145: u64 = 0;
let mut x146: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x145, &mut x146, x144, (x136 as u64), (0x0 as u64));
let mut x147: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x147, x146, x137, x129);
let mut x148: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x148, x146, x139, x131);
let mut x149: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x149, x146, x141, x133);
let mut x150: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x150, x146, x143, x135);
*IndexConst(&mut out1).index_mut(0) = x147;
*IndexConst(&mut out1).index_mut(1) = x148;
*IndexConst(&mut out1).index_mut(2) = x149;
*IndexConst(&mut out1).index_mut(3) = x150;
}
/// The function fiat_bignp256_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]]
/// arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
/// Output Bounds:
/// out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
#[inline]
pub const fn fiat_bignp256_selectznz(
mut out1: &mut [u64; 4],
arg1: fiat_bignp256_u1,
arg2: &[u64; 4],
arg3: &[u64; 4],
) {
let mut x1: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x1,
arg1,
(*IndexConst(arg2).index(0)),
(*IndexConst(arg3).index(0)),
);
let mut x2: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x2,
arg1,
(*IndexConst(arg2).index(1)),
(*IndexConst(arg3).index(1)),
);
let mut x3: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x3,
arg1,
(*IndexConst(arg2).index(2)),
(*IndexConst(arg3).index(2)),
);
let mut x4: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x4,
arg1,
(*IndexConst(arg2).index(3)),
(*IndexConst(arg3).index(3)),
);
*IndexConst(&mut out1).index_mut(0) = x1;
*IndexConst(&mut out1).index_mut(1) = x2;
*IndexConst(&mut out1).index_mut(2) = x3;
*IndexConst(&mut out1).index_mut(3) = x4;
}
/// The function fiat_bignp256_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]]
#[inline]
pub const fn fiat_bignp256_msat(mut out1: &mut [u64; 5]) {
*IndexConst(&mut out1).index_mut(0) = 0xffffffffffffff43;
*IndexConst(&mut out1).index_mut(1) = 0xffffffffffffffff;
*IndexConst(&mut out1).index_mut(2) = 0xffffffffffffffff;
*IndexConst(&mut out1).index_mut(3) = 0xffffffffffffffff;
*IndexConst(&mut out1).index_mut(4) = (0x0 as u64);
}
/// The function fiat_bignp256_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]]
/// arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
/// arg4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
/// arg5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
/// Output Bounds:
/// out1: [0x0 ~> 0xffffffffffffffff]
/// out2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
/// out3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
/// out4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
/// out5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
#[inline]
pub const fn fiat_bignp256_divstep(
out1: &mut u64,
mut out2: &mut [u64; 5],
mut out3: &mut [u64; 5],
mut out4: &mut [u64; 4],
mut out5: &mut [u64; 4],
arg1: u64,
arg2: &[u64; 5],
arg3: &[u64; 5],
arg4: &[u64; 4],
arg5: &[u64; 4],
) {
let mut x1: u64 = 0;
let mut x2: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u64));
let x3: fiat_bignp256_u1 = (((x1 >> 63) as fiat_bignp256_u1)
& (((*IndexConst(arg3).index(0)) & (0x1 as u64)) as fiat_bignp256_u1));
let mut x4: u64 = 0;
let mut x5: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u64));
let mut x6: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x6, x3, arg1, x4);
let mut x7: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x7,
x3,
(*IndexConst(arg2).index(0)),
(*IndexConst(arg3).index(0)),
);
let mut x8: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x8,
x3,
(*IndexConst(arg2).index(1)),
(*IndexConst(arg3).index(1)),
);
let mut x9: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x9,
x3,
(*IndexConst(arg2).index(2)),
(*IndexConst(arg3).index(2)),
);
let mut x10: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x10,
x3,
(*IndexConst(arg2).index(3)),
(*IndexConst(arg3).index(3)),
);
let mut x11: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x11,
x3,
(*IndexConst(arg2).index(4)),
(*IndexConst(arg3).index(4)),
);
let mut x12: u64 = 0;
let mut x13: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x12,
&mut x13,
0x0,
(0x1 as u64),
(!(*IndexConst(arg2).index(0))),
);
let mut x14: u64 = 0;
let mut x15: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x14,
&mut x15,
x13,
(0x0 as u64),
(!(*IndexConst(arg2).index(1))),
);
let mut x16: u64 = 0;
let mut x17: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x16,
&mut x17,
x15,
(0x0 as u64),
(!(*IndexConst(arg2).index(2))),
);
let mut x18: u64 = 0;
let mut x19: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x18,
&mut x19,
x17,
(0x0 as u64),
(!(*IndexConst(arg2).index(3))),
);
let mut x20: u64 = 0;
let mut x21: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(
&mut x20,
&mut x21,
x19,
(0x0 as u64),
(!(*IndexConst(arg2).index(4))),
);
let mut x22: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x22, x3, (*IndexConst(arg3).index(0)), x12);
let mut x23: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x23, x3, (*IndexConst(arg3).index(1)), x14);
let mut x24: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x24, x3, (*IndexConst(arg3).index(2)), x16);
let mut x25: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x25, x3, (*IndexConst(arg3).index(3)), x18);
let mut x26: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x26, x3, (*IndexConst(arg3).index(4)), x20);
let mut x27: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x27,
x3,
(*IndexConst(arg4).index(0)),
(*IndexConst(arg5).index(0)),
);
let mut x28: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x28,
x3,
(*IndexConst(arg4).index(1)),
(*IndexConst(arg5).index(1)),
);
let mut x29: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x29,
x3,
(*IndexConst(arg4).index(2)),
(*IndexConst(arg5).index(2)),
);
let mut x30: u64 = 0;
fiat_bignp256_cmovznz_u64(
&mut x30,
x3,
(*IndexConst(arg4).index(3)),
(*IndexConst(arg5).index(3)),
);
let mut x31: u64 = 0;
let mut x32: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x31, &mut x32, 0x0, x27, x27);
let mut x33: u64 = 0;
let mut x34: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x33, &mut x34, x32, x28, x28);
let mut x35: u64 = 0;
let mut x36: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x35, &mut x36, x34, x29, x29);
let mut x37: u64 = 0;
let mut x38: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x37, &mut x38, x36, x30, x30);
let mut x39: u64 = 0;
let mut x40: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x39, &mut x40, 0x0, x31, 0xffffffffffffff43);
let mut x41: u64 = 0;
let mut x42: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x41, &mut x42, x40, x33, 0xffffffffffffffff);
let mut x43: u64 = 0;
let mut x44: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x43, &mut x44, x42, x35, 0xffffffffffffffff);
let mut x45: u64 = 0;
let mut x46: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x45, &mut x46, x44, x37, 0xffffffffffffffff);
let mut x47: u64 = 0;
let mut x48: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x47, &mut x48, x46, (x38 as u64), (0x0 as u64));
let x49: u64 = (*IndexConst(arg4).index(3));
let x50: u64 = (*IndexConst(arg4).index(2));
let x51: u64 = (*IndexConst(arg4).index(1));
let x52: u64 = (*IndexConst(arg4).index(0));
let mut x53: u64 = 0;
let mut x54: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x53, &mut x54, 0x0, (0x0 as u64), x52);
let mut x55: u64 = 0;
let mut x56: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x55, &mut x56, x54, (0x0 as u64), x51);
let mut x57: u64 = 0;
let mut x58: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x57, &mut x58, x56, (0x0 as u64), x50);
let mut x59: u64 = 0;
let mut x60: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x59, &mut x60, x58, (0x0 as u64), x49);
let mut x61: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x61, x60, (0x0 as u64), 0xffffffffffffffff);
let mut x62: u64 = 0;
let mut x63: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x62, &mut x63, 0x0, x53, (x61 & 0xffffffffffffff43));
let mut x64: u64 = 0;
let mut x65: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x64, &mut x65, x63, x55, x61);
let mut x66: u64 = 0;
let mut x67: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x66, &mut x67, x65, x57, x61);
let mut x68: u64 = 0;
let mut x69: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x68, &mut x69, x67, x59, x61);
let mut x70: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x70, x3, (*IndexConst(arg5).index(0)), x62);
let mut x71: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x71, x3, (*IndexConst(arg5).index(1)), x64);
let mut x72: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x72, x3, (*IndexConst(arg5).index(2)), x66);
let mut x73: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x73, x3, (*IndexConst(arg5).index(3)), x68);
let x74: fiat_bignp256_u1 = ((x22 & (0x1 as u64)) as fiat_bignp256_u1);
let mut x75: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x75, x74, (0x0 as u64), x7);
let mut x76: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x76, x74, (0x0 as u64), x8);
let mut x77: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x77, x74, (0x0 as u64), x9);
let mut x78: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x78, x74, (0x0 as u64), x10);
let mut x79: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x79, x74, (0x0 as u64), x11);
let mut x80: u64 = 0;
let mut x81: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x80, &mut x81, 0x0, x22, x75);
let mut x82: u64 = 0;
let mut x83: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x82, &mut x83, x81, x23, x76);
let mut x84: u64 = 0;
let mut x85: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x84, &mut x85, x83, x24, x77);
let mut x86: u64 = 0;
let mut x87: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x86, &mut x87, x85, x25, x78);
let mut x88: u64 = 0;
let mut x89: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x88, &mut x89, x87, x26, x79);
let mut x90: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x90, x74, (0x0 as u64), x27);
let mut x91: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x91, x74, (0x0 as u64), x28);
let mut x92: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x92, x74, (0x0 as u64), x29);
let mut x93: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x93, x74, (0x0 as u64), x30);
let mut x94: u64 = 0;
let mut x95: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x94, &mut x95, 0x0, x70, x90);
let mut x96: u64 = 0;
let mut x97: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x96, &mut x97, x95, x71, x91);
let mut x98: u64 = 0;
let mut x99: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x98, &mut x99, x97, x72, x92);
let mut x100: u64 = 0;
let mut x101: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x100, &mut x101, x99, x73, x93);
let mut x102: u64 = 0;
let mut x103: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x102, &mut x103, 0x0, x94, 0xffffffffffffff43);
let mut x104: u64 = 0;
let mut x105: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x104, &mut x105, x103, x96, 0xffffffffffffffff);
let mut x106: u64 = 0;
let mut x107: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x106, &mut x107, x105, x98, 0xffffffffffffffff);
let mut x108: u64 = 0;
let mut x109: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x108, &mut x109, x107, x100, 0xffffffffffffffff);
let mut x110: u64 = 0;
let mut x111: fiat_bignp256_u1 = 0;
fiat_bignp256_subborrowx_u64(&mut x110, &mut x111, x109, (x101 as u64), (0x0 as u64));
let mut x112: u64 = 0;
let mut x113: fiat_bignp256_u1 = 0;
fiat_bignp256_addcarryx_u64(&mut x112, &mut x113, 0x0, x6, (0x1 as u64));
let x114: u64 = ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff));
let x115: u64 = ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff));
let x116: u64 = ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff));
let x117: u64 = ((x86 >> 1) | ((x88 << 63) & 0xffffffffffffffff));
let x118: u64 = ((x88 & 0x8000000000000000) | (x88 >> 1));
let mut x119: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x119, x48, x39, x31);
let mut x120: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x120, x48, x41, x33);
let mut x121: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x121, x48, x43, x35);
let mut x122: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x122, x48, x45, x37);
let mut x123: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x123, x111, x102, x94);
let mut x124: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x124, x111, x104, x96);
let mut x125: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x125, x111, x106, x98);
let mut x126: u64 = 0;
fiat_bignp256_cmovznz_u64(&mut x126, x111, x108, x100);
*out1 = x112;
*IndexConst(&mut out2).index_mut(0) = x7;
*IndexConst(&mut out2).index_mut(1) = x8;
*IndexConst(&mut out2).index_mut(2) = x9;
*IndexConst(&mut out2).index_mut(3) = x10;
*IndexConst(&mut out2).index_mut(4) = x11;
*IndexConst(&mut out3).index_mut(0) = x114;
*IndexConst(&mut out3).index_mut(1) = x115;
*IndexConst(&mut out3).index_mut(2) = x116;
*IndexConst(&mut out3).index_mut(3) = x117;
*IndexConst(&mut out3).index_mut(4) = x118;
*IndexConst(&mut out4).index_mut(0) = x119;
*IndexConst(&mut out4).index_mut(1) = x120;
*IndexConst(&mut out4).index_mut(2) = x121;
*IndexConst(&mut out4).index_mut(3) = x122;
*IndexConst(&mut out5).index_mut(0) = x123;
*IndexConst(&mut out5).index_mut(1) = x124;
*IndexConst(&mut out5).index_mut(2) = x125;
*IndexConst(&mut out5).index_mut(3) = x126;
}
/// The function fiat_bignp256_divstep_precomp 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]]
#[inline]
pub const fn fiat_bignp256_divstep_precomp(mut out1: &mut [u64; 4]) {
*IndexConst(&mut out1).index_mut(0) = 0x7ea454d3127f51fe;
*IndexConst(&mut out1).index_mut(1) = 0x4802b1d5546a7f1;
*IndexConst(&mut out1).index_mut(2) = 0xab83282b495d722c;
*IndexConst(&mut out1).index_mut(3) = 0xdb33014c12f2d964;
}