fiat_crypto/
p448_solinas_64.rs

1//! Autogenerated: 'src/ExtractionOCaml/unsaturated_solinas' --lang Rust --inline p448 64 8 '2^448 - 2^224 - 1' carry_mul carry_square carry add sub opp selectznz to_bytes from_bytes relax
2//! curve description: p448
3//! machine_wordsize = 64 (from "64")
4//! requested operations: carry_mul, carry_square, carry, add, sub, opp, selectznz, to_bytes, from_bytes, relax
5//! n = 8 (from "8")
6//! s-c = 2^448 - [(2^224, 1), (1, 1)] (from "2^448 - 2^224 - 1")
7//! tight_bounds_multiplier = 1 (from "")
8//!
9//! Computed values:
10//!   carry_chain = [3, 7, 4, 0, 5, 1, 6, 2, 7, 3, 4, 0]
11//!   eval z = z[0] + (z[1] << 56) + (z[2] << 112) + (z[3] << 168) + (z[4] << 224) + (z[5] << 0x118) + (z[6] << 0x150) + (z[7] << 0x188)
12//!   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) + (z[48] << 0x180) + (z[49] << 0x188) + (z[50] << 0x190) + (z[51] << 0x198) + (z[52] << 0x1a0) + (z[53] << 0x1a8) + (z[54] << 0x1b0) + (z[55] << 0x1b8)
13//!   balance = [0x1fffffffffffffe, 0x1fffffffffffffe, 0x1fffffffffffffe, 0x1fffffffffffffe, 0x1fffffffffffffc, 0x1fffffffffffffe, 0x1fffffffffffffe, 0x1fffffffffffffe]
14
15#![allow(unused_parens)]
16#![allow(non_camel_case_types)]
17
18/// Since `Index` and `IndexMut` aren't callable in `const` contexts yet, this helper type helps unify
19/// arrays and user-defined array-wrapper types into a single type which can be indexed in `const`
20/// contexts. Once `const trait`s are stabilized this type can go away
21struct IndexConst<T: ?Sized>(T);
22
23impl<'a, T, const N: usize> IndexConst<&'a [T; N]> {
24    #[inline(always)]
25    #[allow(unused)]
26    const fn index(self, i: usize) -> &'a T {
27        &self.0[i]
28    }
29}
30impl<'a, 'b, T, const N: usize> IndexConst<&'a mut &'b mut [T; N]> {
31    #[inline(always)]
32    #[allow(unused)]
33    const fn index_mut(self, i: usize) -> &'a mut T {
34        &mut self.0[i]
35    }
36}
37
38/** fiat_p448_u1 represents values of 1 bits, stored in one byte. */
39pub type fiat_p448_u1 = u8;
40/** fiat_p448_i1 represents values of 1 bits, stored in one byte. */
41pub type fiat_p448_i1 = i8;
42/** fiat_p448_u2 represents values of 2 bits, stored in one byte. */
43pub type fiat_p448_u2 = u8;
44/** fiat_p448_i2 represents values of 2 bits, stored in one byte. */
45pub type fiat_p448_i2 = i8;
46
47/** The type fiat_p448_loose_field_element is a field element with loose bounds. */
48/** Bounds: [[0x0 ~> 0x300000000000000], [0x0 ~> 0x300000000000000], [0x0 ~> 0x300000000000000], [0x0 ~> 0x300000000000000], [0x0 ~> 0x300000000000000], [0x0 ~> 0x300000000000000], [0x0 ~> 0x300000000000000], [0x0 ~> 0x300000000000000]] */
49#[derive(Clone, Copy)]
50pub struct fiat_p448_loose_field_element(pub [u64; 8]);
51
52impl core::ops::Index<usize> for fiat_p448_loose_field_element {
53    type Output = u64;
54    #[inline]
55    fn index(&self, index: usize) -> &Self::Output {
56        &self.0[index]
57    }
58}
59
60impl core::ops::IndexMut<usize> for fiat_p448_loose_field_element {
61    #[inline]
62    fn index_mut(&mut self, index: usize) -> &mut Self::Output {
63        &mut self.0[index]
64    }
65}
66
67impl<'a> IndexConst<&'a fiat_p448_loose_field_element> {
68    #[allow(unused)]
69    #[inline(always)]
70    const fn index(self, i: usize) -> &'a u64 {
71        &self.0.0[i]
72    }
73}
74
75impl<'a, 'b> IndexConst<&'a mut &'b mut fiat_p448_loose_field_element> {
76    #[allow(unused)]
77    #[inline(always)]
78    const fn index_mut(self, i: usize) -> &'a mut u64 {
79        &mut self.0.0[i]
80    }
81}
82
83/** The type fiat_p448_tight_field_element is a field element with tight bounds. */
84/** Bounds: [[0x0 ~> 0x100000000000000], [0x0 ~> 0x100000000000000], [0x0 ~> 0x100000000000000], [0x0 ~> 0x100000000000000], [0x0 ~> 0x100000000000000], [0x0 ~> 0x100000000000000], [0x0 ~> 0x100000000000000], [0x0 ~> 0x100000000000000]] */
85#[derive(Clone, Copy)]
86pub struct fiat_p448_tight_field_element(pub [u64; 8]);
87
88impl core::ops::Index<usize> for fiat_p448_tight_field_element {
89    type Output = u64;
90    #[inline]
91    fn index(&self, index: usize) -> &Self::Output {
92        &self.0[index]
93    }
94}
95
96impl core::ops::IndexMut<usize> for fiat_p448_tight_field_element {
97    #[inline]
98    fn index_mut(&mut self, index: usize) -> &mut Self::Output {
99        &mut self.0[index]
100    }
101}
102
103impl<'a> IndexConst<&'a fiat_p448_tight_field_element> {
104    #[allow(unused)]
105    #[inline(always)]
106    const fn index(self, i: usize) -> &'a u64 {
107        &self.0.0[i]
108    }
109}
110
111impl<'a, 'b> IndexConst<&'a mut &'b mut fiat_p448_tight_field_element> {
112    #[allow(unused)]
113    #[inline(always)]
114    const fn index_mut(self, i: usize) -> &'a mut u64 {
115        &mut self.0.0[i]
116    }
117}
118
119
120/// The function fiat_p448_addcarryx_u56 is an addition with carry.
121///
122/// Postconditions:
123///   out1 = (arg1 + arg2 + arg3) mod 2^56
124///   out2 = ⌊(arg1 + arg2 + arg3) / 2^56⌋
125///
126/// Input Bounds:
127///   arg1: [0x0 ~> 0x1]
128///   arg2: [0x0 ~> 0xffffffffffffff]
129///   arg3: [0x0 ~> 0xffffffffffffff]
130/// Output Bounds:
131///   out1: [0x0 ~> 0xffffffffffffff]
132///   out2: [0x0 ~> 0x1]
133#[inline]
134pub const fn fiat_p448_addcarryx_u56(out1: &mut u64, out2: &mut fiat_p448_u1, arg1: fiat_p448_u1, arg2: u64, arg3: u64) {
135  let x1: u64 = (((arg1 as u64) + arg2) + arg3);
136  let x2: u64 = (x1 & 0xffffffffffffff);
137  let x3: fiat_p448_u1 = ((x1 >> 56) as fiat_p448_u1);
138  *out1 = x2;
139  *out2 = x3;
140}
141
142/// The function fiat_p448_subborrowx_u56 is a subtraction with borrow.
143///
144/// Postconditions:
145///   out1 = (-arg1 + arg2 + -arg3) mod 2^56
146///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^56⌋
147///
148/// Input Bounds:
149///   arg1: [0x0 ~> 0x1]
150///   arg2: [0x0 ~> 0xffffffffffffff]
151///   arg3: [0x0 ~> 0xffffffffffffff]
152/// Output Bounds:
153///   out1: [0x0 ~> 0xffffffffffffff]
154///   out2: [0x0 ~> 0x1]
155#[inline]
156pub const fn fiat_p448_subborrowx_u56(out1: &mut u64, out2: &mut fiat_p448_u1, arg1: fiat_p448_u1, arg2: u64, arg3: u64) {
157  let x1: i64 = ((((((arg2 as i128) - (arg1 as i128)) as i64) as i128) - (arg3 as i128)) as i64);
158  let x2: fiat_p448_i1 = ((x1 >> 56) as fiat_p448_i1);
159  let x3: u64 = (((x1 as i128) & (0xffffffffffffff as i128)) as u64);
160  *out1 = x3;
161  *out2 = (((0x0 as fiat_p448_i2) - (x2 as fiat_p448_i2)) as fiat_p448_u1);
162}
163
164/// The function fiat_p448_cmovznz_u64 is a single-word conditional move.
165///
166/// Postconditions:
167///   out1 = (if arg1 = 0 then arg2 else arg3)
168///
169/// Input Bounds:
170///   arg1: [0x0 ~> 0x1]
171///   arg2: [0x0 ~> 0xffffffffffffffff]
172///   arg3: [0x0 ~> 0xffffffffffffffff]
173/// Output Bounds:
174///   out1: [0x0 ~> 0xffffffffffffffff]
175#[inline]
176pub const fn fiat_p448_cmovznz_u64(out1: &mut u64, arg1: fiat_p448_u1, arg2: u64, arg3: u64) {
177  let x1: fiat_p448_u1 = (!(!arg1));
178  let x2: u64 = ((((((0x0 as fiat_p448_i2) - (x1 as fiat_p448_i2)) as fiat_p448_i1) as i128) & (0xffffffffffffffff as i128)) as u64);
179  let x3: u64 = ((x2 & arg3) | ((!x2) & arg2));
180  *out1 = x3;
181}
182
183/// The function fiat_p448_carry_mul multiplies two field elements and reduces the result.
184///
185/// Postconditions:
186///   eval out1 mod m = (eval arg1 * eval arg2) mod m
187///
188#[inline]
189pub const fn fiat_p448_carry_mul(mut out1: &mut fiat_p448_tight_field_element, arg1: &fiat_p448_loose_field_element, arg2: &fiat_p448_loose_field_element) {
190  let x1: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
191  let x2: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
192  let x3: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
193  let x4: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
194  let x5: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
195  let x6: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
196  let x7: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
197  let x8: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
198  let x9: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
199  let x10: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
200  let x11: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
201  let x12: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
202  let x13: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
203  let x14: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
204  let x15: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
205  let x16: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
206  let x17: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
207  let x18: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
208  let x19: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
209  let x20: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
210  let x21: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
211  let x22: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
212  let x23: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
213  let x24: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
214  let x25: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
215  let x26: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
216  let x27: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
217  let x28: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
218  let x29: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
219  let x30: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
220  let x31: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
221  let x32: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
222  let x33: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
223  let x34: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
224  let x35: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
225  let x36: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
226  let x37: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
227  let x38: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
228  let x39: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
229  let x40: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
230  let x41: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
231  let x42: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
232  let x43: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
233  let x44: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
234  let x45: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
235  let x46: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
236  let x47: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
237  let x48: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
238  let x49: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
239  let x50: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
240  let x51: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
241  let x52: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
242  let x53: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
243  let x54: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
244  let x55: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
245  let x56: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
246  let x57: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
247  let x58: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
248  let x59: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
249  let x60: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
250  let x61: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
251  let x62: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
252  let x63: u128 = (((*IndexConst(arg1).index(7)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
253  let x64: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
254  let x65: u128 = (((*IndexConst(arg1).index(6)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
255  let x66: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
256  let x67: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
257  let x68: u128 = (((*IndexConst(arg1).index(5)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
258  let x69: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
259  let x70: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
260  let x71: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
261  let x72: u128 = (((*IndexConst(arg1).index(4)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
262  let x73: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
263  let x74: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
264  let x75: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
265  let x76: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
266  let x77: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
267  let x78: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
268  let x79: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
269  let x80: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
270  let x81: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
271  let x82: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
272  let x83: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
273  let x84: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
274  let x85: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
275  let x86: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
276  let x87: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
277  let x88: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
278  let x89: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
279  let x90: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
280  let x91: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(7)) as u128));
281  let x92: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(6)) as u128));
282  let x93: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(5)) as u128));
283  let x94: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(4)) as u128));
284  let x95: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(3)) as u128));
285  let x96: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(2)) as u128));
286  let x97: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(1)) as u128));
287  let x98: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg2).index(0)) as u128));
288  let x99: u128 = (x95 + (x88 + (x82 + (x77 + (x31 + (x27 + (x22 + x16)))))));
289  let x100: u64 = ((x99 >> 56) as u64);
290  let x101: u64 = ((x99 & (0xffffffffffffff as u128)) as u64);
291  let x102: u128 = (x91 + (x84 + (x78 + (x73 + (x69 + (x66 + (x64 + (x63 + (x53 + (x49 + (x45 + x41)))))))))));
292  let x103: u128 = (x92 + (x85 + (x79 + (x74 + (x70 + (x67 + (x65 + (x57 + (x54 + (x50 + (x46 + (x42 + (x13 + x7)))))))))))));
293  let x104: u128 = (x93 + (x86 + (x80 + (x75 + (x71 + (x68 + (x60 + (x58 + (x55 + (x51 + (x47 + (x43 + (x20 + (x14 + (x10 + x8)))))))))))))));
294  let x105: u128 = (x94 + (x87 + (x81 + (x76 + (x72 + (x62 + (x61 + (x59 + (x56 + (x52 + (x48 + (x44 + (x26 + (x21 + (x15 + (x12 + (x11 + x9)))))))))))))))));
295  let x106: u128 = (x96 + (x89 + (x83 + (x35 + (x32 + (x28 + (x23 + (x17 + x1))))))));
296  let x107: u128 = (x97 + (x90 + (x38 + (x36 + (x33 + (x29 + (x24 + (x18 + (x4 + x2)))))))));
297  let x108: u128 = (x98 + (x40 + (x39 + (x37 + (x34 + (x30 + (x25 + (x19 + (x6 + (x5 + x3))))))))));
298  let x109: u128 = ((x100 as u128) + x105);
299  let x110: u64 = ((x102 >> 56) as u64);
300  let x111: u64 = ((x102 & (0xffffffffffffff as u128)) as u64);
301  let x112: u128 = (x109 + (x110 as u128));
302  let x113: u64 = ((x112 >> 56) as u64);
303  let x114: u64 = ((x112 & (0xffffffffffffff as u128)) as u64);
304  let x115: u128 = (x108 + (x110 as u128));
305  let x116: u128 = ((x113 as u128) + x104);
306  let x117: u64 = ((x115 >> 56) as u64);
307  let x118: u64 = ((x115 & (0xffffffffffffff as u128)) as u64);
308  let x119: u128 = ((x117 as u128) + x107);
309  let x120: u64 = ((x116 >> 56) as u64);
310  let x121: u64 = ((x116 & (0xffffffffffffff as u128)) as u64);
311  let x122: u128 = ((x120 as u128) + x103);
312  let x123: u64 = ((x119 >> 56) as u64);
313  let x124: u64 = ((x119 & (0xffffffffffffff as u128)) as u64);
314  let x125: u128 = ((x123 as u128) + x106);
315  let x126: u64 = ((x122 >> 56) as u64);
316  let x127: u64 = ((x122 & (0xffffffffffffff as u128)) as u64);
317  let x128: u64 = (x126 + x111);
318  let x129: u64 = ((x125 >> 56) as u64);
319  let x130: u64 = ((x125 & (0xffffffffffffff as u128)) as u64);
320  let x131: u64 = (x129 + x101);
321  let x132: u64 = (x128 >> 56);
322  let x133: u64 = (x128 & 0xffffffffffffff);
323  let x134: u64 = (x131 >> 56);
324  let x135: u64 = (x131 & 0xffffffffffffff);
325  let x136: u64 = (x114 + x132);
326  let x137: u64 = (x118 + x132);
327  let x138: u64 = (x134 + x136);
328  let x139: fiat_p448_u1 = ((x138 >> 56) as fiat_p448_u1);
329  let x140: u64 = (x138 & 0xffffffffffffff);
330  let x141: u64 = ((x139 as u64) + x121);
331  let x142: fiat_p448_u1 = ((x137 >> 56) as fiat_p448_u1);
332  let x143: u64 = (x137 & 0xffffffffffffff);
333  let x144: u64 = ((x142 as u64) + x124);
334  *IndexConst(&mut out1).index_mut(0) = x143;
335  *IndexConst(&mut out1).index_mut(1) = x144;
336  *IndexConst(&mut out1).index_mut(2) = x130;
337  *IndexConst(&mut out1).index_mut(3) = x135;
338  *IndexConst(&mut out1).index_mut(4) = x140;
339  *IndexConst(&mut out1).index_mut(5) = x141;
340  *IndexConst(&mut out1).index_mut(6) = x127;
341  *IndexConst(&mut out1).index_mut(7) = x133;
342}
343
344/// The function fiat_p448_carry_square squares a field element and reduces the result.
345///
346/// Postconditions:
347///   eval out1 mod m = (eval arg1 * eval arg1) mod m
348///
349#[inline]
350pub const fn fiat_p448_carry_square(mut out1: &mut fiat_p448_tight_field_element, arg1: &fiat_p448_loose_field_element) {
351  let x1: u64 = (*IndexConst(arg1).index(7));
352  let x2: u64 = (*IndexConst(arg1).index(7));
353  let x3: u64 = (x1 * 0x2);
354  let x4: u64 = (x2 * 0x2);
355  let x5: u64 = ((*IndexConst(arg1).index(7)) * 0x2);
356  let x6: u64 = (*IndexConst(arg1).index(6));
357  let x7: u64 = (*IndexConst(arg1).index(6));
358  let x8: u64 = (x6 * 0x2);
359  let x9: u64 = (x7 * 0x2);
360  let x10: u64 = ((*IndexConst(arg1).index(6)) * 0x2);
361  let x11: u64 = (*IndexConst(arg1).index(5));
362  let x12: u64 = (*IndexConst(arg1).index(5));
363  let x13: u64 = (x11 * 0x2);
364  let x14: u64 = (x12 * 0x2);
365  let x15: u64 = ((*IndexConst(arg1).index(5)) * 0x2);
366  let x16: u64 = (*IndexConst(arg1).index(4));
367  let x17: u64 = (*IndexConst(arg1).index(4));
368  let x18: u64 = ((*IndexConst(arg1).index(4)) * 0x2);
369  let x19: u64 = ((*IndexConst(arg1).index(3)) * 0x2);
370  let x20: u64 = ((*IndexConst(arg1).index(2)) * 0x2);
371  let x21: u64 = ((*IndexConst(arg1).index(1)) * 0x2);
372  let x22: u128 = (((*IndexConst(arg1).index(7)) as u128) * (x1 as u128));
373  let x23: u128 = (((*IndexConst(arg1).index(6)) as u128) * (x3 as u128));
374  let x24: u128 = (((*IndexConst(arg1).index(6)) as u128) * (x6 as u128));
375  let x25: u128 = (((*IndexConst(arg1).index(5)) as u128) * (x3 as u128));
376  let x26: u128 = (((*IndexConst(arg1).index(7)) as u128) * (x1 as u128));
377  let x27: u128 = (((*IndexConst(arg1).index(6)) as u128) * (x3 as u128));
378  let x28: u128 = (((*IndexConst(arg1).index(6)) as u128) * (x6 as u128));
379  let x29: u128 = (((*IndexConst(arg1).index(5)) as u128) * (x3 as u128));
380  let x30: u128 = (((*IndexConst(arg1).index(7)) as u128) * (x2 as u128));
381  let x31: u128 = (((*IndexConst(arg1).index(6)) as u128) * (x4 as u128));
382  let x32: u128 = (((*IndexConst(arg1).index(6)) as u128) * (x7 as u128));
383  let x33: u128 = (((*IndexConst(arg1).index(5)) as u128) * (x4 as u128));
384  let x34: u128 = (((*IndexConst(arg1).index(5)) as u128) * (x9 as u128));
385  let x35: u128 = (((*IndexConst(arg1).index(5)) as u128) * (x8 as u128));
386  let x36: u128 = (((*IndexConst(arg1).index(5)) as u128) * (x12 as u128));
387  let x37: u128 = (((*IndexConst(arg1).index(5)) as u128) * (x11 as u128));
388  let x38: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x4 as u128));
389  let x39: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x3 as u128));
390  let x40: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x9 as u128));
391  let x41: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x8 as u128));
392  let x42: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x14 as u128));
393  let x43: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x13 as u128));
394  let x44: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x17 as u128));
395  let x45: u128 = (((*IndexConst(arg1).index(4)) as u128) * (x16 as u128));
396  let x46: u128 = (((*IndexConst(arg1).index(3)) as u128) * (x4 as u128));
397  let x47: u128 = (((*IndexConst(arg1).index(3)) as u128) * (x3 as u128));
398  let x48: u128 = (((*IndexConst(arg1).index(3)) as u128) * (x9 as u128));
399  let x49: u128 = (((*IndexConst(arg1).index(3)) as u128) * (x8 as u128));
400  let x50: u128 = (((*IndexConst(arg1).index(3)) as u128) * (x14 as u128));
401  let x51: u128 = (((*IndexConst(arg1).index(3)) as u128) * (x13 as u128));
402  let x52: u128 = (((*IndexConst(arg1).index(3)) as u128) * (x18 as u128));
403  let x53: u128 = (((*IndexConst(arg1).index(3)) as u128) * ((*IndexConst(arg1).index(3)) as u128));
404  let x54: u128 = (((*IndexConst(arg1).index(2)) as u128) * (x4 as u128));
405  let x55: u128 = (((*IndexConst(arg1).index(2)) as u128) * (x3 as u128));
406  let x56: u128 = (((*IndexConst(arg1).index(2)) as u128) * (x9 as u128));
407  let x57: u128 = (((*IndexConst(arg1).index(2)) as u128) * (x8 as u128));
408  let x58: u128 = (((*IndexConst(arg1).index(2)) as u128) * (x15 as u128));
409  let x59: u128 = (((*IndexConst(arg1).index(2)) as u128) * (x18 as u128));
410  let x60: u128 = (((*IndexConst(arg1).index(2)) as u128) * (x19 as u128));
411  let x61: u128 = (((*IndexConst(arg1).index(2)) as u128) * ((*IndexConst(arg1).index(2)) as u128));
412  let x62: u128 = (((*IndexConst(arg1).index(1)) as u128) * (x4 as u128));
413  let x63: u128 = (((*IndexConst(arg1).index(1)) as u128) * (x3 as u128));
414  let x64: u128 = (((*IndexConst(arg1).index(1)) as u128) * (x10 as u128));
415  let x65: u128 = (((*IndexConst(arg1).index(1)) as u128) * (x15 as u128));
416  let x66: u128 = (((*IndexConst(arg1).index(1)) as u128) * (x18 as u128));
417  let x67: u128 = (((*IndexConst(arg1).index(1)) as u128) * (x19 as u128));
418  let x68: u128 = (((*IndexConst(arg1).index(1)) as u128) * (x20 as u128));
419  let x69: u128 = (((*IndexConst(arg1).index(1)) as u128) * ((*IndexConst(arg1).index(1)) as u128));
420  let x70: u128 = (((*IndexConst(arg1).index(0)) as u128) * (x5 as u128));
421  let x71: u128 = (((*IndexConst(arg1).index(0)) as u128) * (x10 as u128));
422  let x72: u128 = (((*IndexConst(arg1).index(0)) as u128) * (x15 as u128));
423  let x73: u128 = (((*IndexConst(arg1).index(0)) as u128) * (x18 as u128));
424  let x74: u128 = (((*IndexConst(arg1).index(0)) as u128) * (x19 as u128));
425  let x75: u128 = (((*IndexConst(arg1).index(0)) as u128) * (x20 as u128));
426  let x76: u128 = (((*IndexConst(arg1).index(0)) as u128) * (x21 as u128));
427  let x77: u128 = (((*IndexConst(arg1).index(0)) as u128) * ((*IndexConst(arg1).index(0)) as u128));
428  let x78: u128 = (x74 + (x68 + (x38 + x34)));
429  let x79: u64 = ((x78 >> 56) as u64);
430  let x80: u64 = ((x78 & (0xffffffffffffff as u128)) as u64);
431  let x81: u128 = (x70 + (x64 + (x58 + (x52 + (x39 + x35)))));
432  let x82: u128 = (x71 + (x65 + (x59 + (x53 + (x47 + (x41 + (x37 + (x30 + x26))))))));
433  let x83: u128 = (x72 + (x66 + (x60 + (x55 + (x49 + (x43 + (x31 + x27)))))));
434  let x84: u128 = (x73 + (x67 + (x63 + (x61 + (x57 + (x51 + (x45 + (x33 + (x32 + (x29 + x28))))))))));
435  let x85: u128 = (x75 + (x69 + (x46 + (x40 + (x36 + x22)))));
436  let x86: u128 = (x76 + (x54 + (x48 + (x42 + x23))));
437  let x87: u128 = (x77 + (x62 + (x56 + (x50 + (x44 + (x25 + x24))))));
438  let x88: u128 = ((x79 as u128) + x84);
439  let x89: u64 = ((x81 >> 56) as u64);
440  let x90: u64 = ((x81 & (0xffffffffffffff as u128)) as u64);
441  let x91: u128 = (x88 + (x89 as u128));
442  let x92: u64 = ((x91 >> 56) as u64);
443  let x93: u64 = ((x91 & (0xffffffffffffff as u128)) as u64);
444  let x94: u128 = (x87 + (x89 as u128));
445  let x95: u128 = ((x92 as u128) + x83);
446  let x96: u64 = ((x94 >> 56) as u64);
447  let x97: u64 = ((x94 & (0xffffffffffffff as u128)) as u64);
448  let x98: u128 = ((x96 as u128) + x86);
449  let x99: u64 = ((x95 >> 56) as u64);
450  let x100: u64 = ((x95 & (0xffffffffffffff as u128)) as u64);
451  let x101: u128 = ((x99 as u128) + x82);
452  let x102: u64 = ((x98 >> 56) as u64);
453  let x103: u64 = ((x98 & (0xffffffffffffff as u128)) as u64);
454  let x104: u128 = ((x102 as u128) + x85);
455  let x105: u64 = ((x101 >> 56) as u64);
456  let x106: u64 = ((x101 & (0xffffffffffffff as u128)) as u64);
457  let x107: u64 = (x105 + x90);
458  let x108: u64 = ((x104 >> 56) as u64);
459  let x109: u64 = ((x104 & (0xffffffffffffff as u128)) as u64);
460  let x110: u64 = (x108 + x80);
461  let x111: u64 = (x107 >> 56);
462  let x112: u64 = (x107 & 0xffffffffffffff);
463  let x113: u64 = (x110 >> 56);
464  let x114: u64 = (x110 & 0xffffffffffffff);
465  let x115: u64 = (x93 + x111);
466  let x116: u64 = (x97 + x111);
467  let x117: u64 = (x113 + x115);
468  let x118: fiat_p448_u1 = ((x117 >> 56) as fiat_p448_u1);
469  let x119: u64 = (x117 & 0xffffffffffffff);
470  let x120: u64 = ((x118 as u64) + x100);
471  let x121: fiat_p448_u1 = ((x116 >> 56) as fiat_p448_u1);
472  let x122: u64 = (x116 & 0xffffffffffffff);
473  let x123: u64 = ((x121 as u64) + x103);
474  *IndexConst(&mut out1).index_mut(0) = x122;
475  *IndexConst(&mut out1).index_mut(1) = x123;
476  *IndexConst(&mut out1).index_mut(2) = x109;
477  *IndexConst(&mut out1).index_mut(3) = x114;
478  *IndexConst(&mut out1).index_mut(4) = x119;
479  *IndexConst(&mut out1).index_mut(5) = x120;
480  *IndexConst(&mut out1).index_mut(6) = x106;
481  *IndexConst(&mut out1).index_mut(7) = x112;
482}
483
484/// The function fiat_p448_carry reduces a field element.
485///
486/// Postconditions:
487///   eval out1 mod m = eval arg1 mod m
488///
489#[inline]
490pub const fn fiat_p448_carry(mut out1: &mut fiat_p448_tight_field_element, arg1: &fiat_p448_loose_field_element) {
491  let x1: u64 = (*IndexConst(arg1).index(3));
492  let x2: u64 = (*IndexConst(arg1).index(7));
493  let x3: u64 = (x2 >> 56);
494  let x4: u64 = (((x1 >> 56) + (*IndexConst(arg1).index(4))) + x3);
495  let x5: u64 = ((*IndexConst(arg1).index(0)) + x3);
496  let x6: u64 = ((x4 >> 56) + (*IndexConst(arg1).index(5)));
497  let x7: u64 = ((x5 >> 56) + (*IndexConst(arg1).index(1)));
498  let x8: u64 = ((x6 >> 56) + (*IndexConst(arg1).index(6)));
499  let x9: u64 = ((x7 >> 56) + (*IndexConst(arg1).index(2)));
500  let x10: u64 = ((x8 >> 56) + (x2 & 0xffffffffffffff));
501  let x11: u64 = ((x9 >> 56) + (x1 & 0xffffffffffffff));
502  let x12: fiat_p448_u1 = ((x10 >> 56) as fiat_p448_u1);
503  let x13: u64 = ((x5 & 0xffffffffffffff) + (x12 as u64));
504  let x14: u64 = ((((x11 >> 56) as fiat_p448_u1) as u64) + ((x4 & 0xffffffffffffff) + (x12 as u64)));
505  let x15: u64 = (x13 & 0xffffffffffffff);
506  let x16: u64 = ((((x13 >> 56) as fiat_p448_u1) as u64) + (x7 & 0xffffffffffffff));
507  let x17: u64 = (x9 & 0xffffffffffffff);
508  let x18: u64 = (x11 & 0xffffffffffffff);
509  let x19: u64 = (x14 & 0xffffffffffffff);
510  let x20: u64 = ((((x14 >> 56) as fiat_p448_u1) as u64) + (x6 & 0xffffffffffffff));
511  let x21: u64 = (x8 & 0xffffffffffffff);
512  let x22: u64 = (x10 & 0xffffffffffffff);
513  *IndexConst(&mut out1).index_mut(0) = x15;
514  *IndexConst(&mut out1).index_mut(1) = x16;
515  *IndexConst(&mut out1).index_mut(2) = x17;
516  *IndexConst(&mut out1).index_mut(3) = x18;
517  *IndexConst(&mut out1).index_mut(4) = x19;
518  *IndexConst(&mut out1).index_mut(5) = x20;
519  *IndexConst(&mut out1).index_mut(6) = x21;
520  *IndexConst(&mut out1).index_mut(7) = x22;
521}
522
523/// The function fiat_p448_add adds two field elements.
524///
525/// Postconditions:
526///   eval out1 mod m = (eval arg1 + eval arg2) mod m
527///
528#[inline]
529pub const fn fiat_p448_add(mut out1: &mut fiat_p448_loose_field_element, arg1: &fiat_p448_tight_field_element, arg2: &fiat_p448_tight_field_element) {
530  let x1: u64 = ((*IndexConst(arg1).index(0)) + (*IndexConst(arg2).index(0)));
531  let x2: u64 = ((*IndexConst(arg1).index(1)) + (*IndexConst(arg2).index(1)));
532  let x3: u64 = ((*IndexConst(arg1).index(2)) + (*IndexConst(arg2).index(2)));
533  let x4: u64 = ((*IndexConst(arg1).index(3)) + (*IndexConst(arg2).index(3)));
534  let x5: u64 = ((*IndexConst(arg1).index(4)) + (*IndexConst(arg2).index(4)));
535  let x6: u64 = ((*IndexConst(arg1).index(5)) + (*IndexConst(arg2).index(5)));
536  let x7: u64 = ((*IndexConst(arg1).index(6)) + (*IndexConst(arg2).index(6)));
537  let x8: u64 = ((*IndexConst(arg1).index(7)) + (*IndexConst(arg2).index(7)));
538  *IndexConst(&mut out1).index_mut(0) = x1;
539  *IndexConst(&mut out1).index_mut(1) = x2;
540  *IndexConst(&mut out1).index_mut(2) = x3;
541  *IndexConst(&mut out1).index_mut(3) = x4;
542  *IndexConst(&mut out1).index_mut(4) = x5;
543  *IndexConst(&mut out1).index_mut(5) = x6;
544  *IndexConst(&mut out1).index_mut(6) = x7;
545  *IndexConst(&mut out1).index_mut(7) = x8;
546}
547
548/// The function fiat_p448_sub subtracts two field elements.
549///
550/// Postconditions:
551///   eval out1 mod m = (eval arg1 - eval arg2) mod m
552///
553#[inline]
554pub const fn fiat_p448_sub(mut out1: &mut fiat_p448_loose_field_element, arg1: &fiat_p448_tight_field_element, arg2: &fiat_p448_tight_field_element) {
555  let x1: u64 = ((0x1fffffffffffffe + (*IndexConst(arg1).index(0))) - (*IndexConst(arg2).index(0)));
556  let x2: u64 = ((0x1fffffffffffffe + (*IndexConst(arg1).index(1))) - (*IndexConst(arg2).index(1)));
557  let x3: u64 = ((0x1fffffffffffffe + (*IndexConst(arg1).index(2))) - (*IndexConst(arg2).index(2)));
558  let x4: u64 = ((0x1fffffffffffffe + (*IndexConst(arg1).index(3))) - (*IndexConst(arg2).index(3)));
559  let x5: u64 = ((0x1fffffffffffffc + (*IndexConst(arg1).index(4))) - (*IndexConst(arg2).index(4)));
560  let x6: u64 = ((0x1fffffffffffffe + (*IndexConst(arg1).index(5))) - (*IndexConst(arg2).index(5)));
561  let x7: u64 = ((0x1fffffffffffffe + (*IndexConst(arg1).index(6))) - (*IndexConst(arg2).index(6)));
562  let x8: u64 = ((0x1fffffffffffffe + (*IndexConst(arg1).index(7))) - (*IndexConst(arg2).index(7)));
563  *IndexConst(&mut out1).index_mut(0) = x1;
564  *IndexConst(&mut out1).index_mut(1) = x2;
565  *IndexConst(&mut out1).index_mut(2) = x3;
566  *IndexConst(&mut out1).index_mut(3) = x4;
567  *IndexConst(&mut out1).index_mut(4) = x5;
568  *IndexConst(&mut out1).index_mut(5) = x6;
569  *IndexConst(&mut out1).index_mut(6) = x7;
570  *IndexConst(&mut out1).index_mut(7) = x8;
571}
572
573/// The function fiat_p448_opp negates a field element.
574///
575/// Postconditions:
576///   eval out1 mod m = -eval arg1 mod m
577///
578#[inline]
579pub const fn fiat_p448_opp(mut out1: &mut fiat_p448_loose_field_element, arg1: &fiat_p448_tight_field_element) {
580  let x1: u64 = (0x1fffffffffffffe - (*IndexConst(arg1).index(0)));
581  let x2: u64 = (0x1fffffffffffffe - (*IndexConst(arg1).index(1)));
582  let x3: u64 = (0x1fffffffffffffe - (*IndexConst(arg1).index(2)));
583  let x4: u64 = (0x1fffffffffffffe - (*IndexConst(arg1).index(3)));
584  let x5: u64 = (0x1fffffffffffffc - (*IndexConst(arg1).index(4)));
585  let x6: u64 = (0x1fffffffffffffe - (*IndexConst(arg1).index(5)));
586  let x7: u64 = (0x1fffffffffffffe - (*IndexConst(arg1).index(6)));
587  let x8: u64 = (0x1fffffffffffffe - (*IndexConst(arg1).index(7)));
588  *IndexConst(&mut out1).index_mut(0) = x1;
589  *IndexConst(&mut out1).index_mut(1) = x2;
590  *IndexConst(&mut out1).index_mut(2) = x3;
591  *IndexConst(&mut out1).index_mut(3) = x4;
592  *IndexConst(&mut out1).index_mut(4) = x5;
593  *IndexConst(&mut out1).index_mut(5) = x6;
594  *IndexConst(&mut out1).index_mut(6) = x7;
595  *IndexConst(&mut out1).index_mut(7) = x8;
596}
597
598/// The function fiat_p448_selectznz is a multi-limb conditional select.
599///
600/// Postconditions:
601///   out1 = (if arg1 = 0 then arg2 else arg3)
602///
603/// Input Bounds:
604///   arg1: [0x0 ~> 0x1]
605///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
606///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
607/// Output Bounds:
608///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
609#[inline]
610pub const fn fiat_p448_selectznz(mut out1: &mut [u64; 8], arg1: fiat_p448_u1, arg2: &[u64; 8], arg3: &[u64; 8]) {
611  let mut x1: u64 = 0;
612  fiat_p448_cmovznz_u64(&mut x1, arg1, (*IndexConst(arg2).index(0)), (*IndexConst(arg3).index(0)));
613  let mut x2: u64 = 0;
614  fiat_p448_cmovznz_u64(&mut x2, arg1, (*IndexConst(arg2).index(1)), (*IndexConst(arg3).index(1)));
615  let mut x3: u64 = 0;
616  fiat_p448_cmovznz_u64(&mut x3, arg1, (*IndexConst(arg2).index(2)), (*IndexConst(arg3).index(2)));
617  let mut x4: u64 = 0;
618  fiat_p448_cmovznz_u64(&mut x4, arg1, (*IndexConst(arg2).index(3)), (*IndexConst(arg3).index(3)));
619  let mut x5: u64 = 0;
620  fiat_p448_cmovznz_u64(&mut x5, arg1, (*IndexConst(arg2).index(4)), (*IndexConst(arg3).index(4)));
621  let mut x6: u64 = 0;
622  fiat_p448_cmovznz_u64(&mut x6, arg1, (*IndexConst(arg2).index(5)), (*IndexConst(arg3).index(5)));
623  let mut x7: u64 = 0;
624  fiat_p448_cmovznz_u64(&mut x7, arg1, (*IndexConst(arg2).index(6)), (*IndexConst(arg3).index(6)));
625  let mut x8: u64 = 0;
626  fiat_p448_cmovznz_u64(&mut x8, arg1, (*IndexConst(arg2).index(7)), (*IndexConst(arg3).index(7)));
627  *IndexConst(&mut out1).index_mut(0) = x1;
628  *IndexConst(&mut out1).index_mut(1) = x2;
629  *IndexConst(&mut out1).index_mut(2) = x3;
630  *IndexConst(&mut out1).index_mut(3) = x4;
631  *IndexConst(&mut out1).index_mut(4) = x5;
632  *IndexConst(&mut out1).index_mut(5) = x6;
633  *IndexConst(&mut out1).index_mut(6) = x7;
634  *IndexConst(&mut out1).index_mut(7) = x8;
635}
636
637/// The function fiat_p448_to_bytes serializes a field element to bytes in little-endian order.
638///
639/// Postconditions:
640///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..55]
641///
642/// Output Bounds:
643///   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], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
644#[inline]
645pub const fn fiat_p448_to_bytes(mut out1: &mut [u8; 56], arg1: &fiat_p448_tight_field_element) {
646  let mut x1: u64 = 0;
647  let mut x2: fiat_p448_u1 = 0;
648  fiat_p448_subborrowx_u56(&mut x1, &mut x2, 0x0, (*IndexConst(arg1).index(0)), 0xffffffffffffff);
649  let mut x3: u64 = 0;
650  let mut x4: fiat_p448_u1 = 0;
651  fiat_p448_subborrowx_u56(&mut x3, &mut x4, x2, (*IndexConst(arg1).index(1)), 0xffffffffffffff);
652  let mut x5: u64 = 0;
653  let mut x6: fiat_p448_u1 = 0;
654  fiat_p448_subborrowx_u56(&mut x5, &mut x6, x4, (*IndexConst(arg1).index(2)), 0xffffffffffffff);
655  let mut x7: u64 = 0;
656  let mut x8: fiat_p448_u1 = 0;
657  fiat_p448_subborrowx_u56(&mut x7, &mut x8, x6, (*IndexConst(arg1).index(3)), 0xffffffffffffff);
658  let mut x9: u64 = 0;
659  let mut x10: fiat_p448_u1 = 0;
660  fiat_p448_subborrowx_u56(&mut x9, &mut x10, x8, (*IndexConst(arg1).index(4)), 0xfffffffffffffe);
661  let mut x11: u64 = 0;
662  let mut x12: fiat_p448_u1 = 0;
663  fiat_p448_subborrowx_u56(&mut x11, &mut x12, x10, (*IndexConst(arg1).index(5)), 0xffffffffffffff);
664  let mut x13: u64 = 0;
665  let mut x14: fiat_p448_u1 = 0;
666  fiat_p448_subborrowx_u56(&mut x13, &mut x14, x12, (*IndexConst(arg1).index(6)), 0xffffffffffffff);
667  let mut x15: u64 = 0;
668  let mut x16: fiat_p448_u1 = 0;
669  fiat_p448_subborrowx_u56(&mut x15, &mut x16, x14, (*IndexConst(arg1).index(7)), 0xffffffffffffff);
670  let mut x17: u64 = 0;
671  fiat_p448_cmovznz_u64(&mut x17, x16, (0x0 as u64), 0xffffffffffffffff);
672  let mut x18: u64 = 0;
673  let mut x19: fiat_p448_u1 = 0;
674  fiat_p448_addcarryx_u56(&mut x18, &mut x19, 0x0, x1, (x17 & 0xffffffffffffff));
675  let mut x20: u64 = 0;
676  let mut x21: fiat_p448_u1 = 0;
677  fiat_p448_addcarryx_u56(&mut x20, &mut x21, x19, x3, (x17 & 0xffffffffffffff));
678  let mut x22: u64 = 0;
679  let mut x23: fiat_p448_u1 = 0;
680  fiat_p448_addcarryx_u56(&mut x22, &mut x23, x21, x5, (x17 & 0xffffffffffffff));
681  let mut x24: u64 = 0;
682  let mut x25: fiat_p448_u1 = 0;
683  fiat_p448_addcarryx_u56(&mut x24, &mut x25, x23, x7, (x17 & 0xffffffffffffff));
684  let mut x26: u64 = 0;
685  let mut x27: fiat_p448_u1 = 0;
686  fiat_p448_addcarryx_u56(&mut x26, &mut x27, x25, x9, (x17 & 0xfffffffffffffe));
687  let mut x28: u64 = 0;
688  let mut x29: fiat_p448_u1 = 0;
689  fiat_p448_addcarryx_u56(&mut x28, &mut x29, x27, x11, (x17 & 0xffffffffffffff));
690  let mut x30: u64 = 0;
691  let mut x31: fiat_p448_u1 = 0;
692  fiat_p448_addcarryx_u56(&mut x30, &mut x31, x29, x13, (x17 & 0xffffffffffffff));
693  let mut x32: u64 = 0;
694  let mut x33: fiat_p448_u1 = 0;
695  fiat_p448_addcarryx_u56(&mut x32, &mut x33, x31, x15, (x17 & 0xffffffffffffff));
696  let x34: u8 = ((x18 & (0xff as u64)) as u8);
697  let x35: u64 = (x18 >> 8);
698  let x36: u8 = ((x35 & (0xff as u64)) as u8);
699  let x37: u64 = (x35 >> 8);
700  let x38: u8 = ((x37 & (0xff as u64)) as u8);
701  let x39: u64 = (x37 >> 8);
702  let x40: u8 = ((x39 & (0xff as u64)) as u8);
703  let x41: u64 = (x39 >> 8);
704  let x42: u8 = ((x41 & (0xff as u64)) as u8);
705  let x43: u64 = (x41 >> 8);
706  let x44: u8 = ((x43 & (0xff as u64)) as u8);
707  let x45: u8 = ((x43 >> 8) as u8);
708  let x46: u8 = ((x20 & (0xff as u64)) as u8);
709  let x47: u64 = (x20 >> 8);
710  let x48: u8 = ((x47 & (0xff as u64)) as u8);
711  let x49: u64 = (x47 >> 8);
712  let x50: u8 = ((x49 & (0xff as u64)) as u8);
713  let x51: u64 = (x49 >> 8);
714  let x52: u8 = ((x51 & (0xff as u64)) as u8);
715  let x53: u64 = (x51 >> 8);
716  let x54: u8 = ((x53 & (0xff as u64)) as u8);
717  let x55: u64 = (x53 >> 8);
718  let x56: u8 = ((x55 & (0xff as u64)) as u8);
719  let x57: u8 = ((x55 >> 8) as u8);
720  let x58: u8 = ((x22 & (0xff as u64)) as u8);
721  let x59: u64 = (x22 >> 8);
722  let x60: u8 = ((x59 & (0xff as u64)) as u8);
723  let x61: u64 = (x59 >> 8);
724  let x62: u8 = ((x61 & (0xff as u64)) as u8);
725  let x63: u64 = (x61 >> 8);
726  let x64: u8 = ((x63 & (0xff as u64)) as u8);
727  let x65: u64 = (x63 >> 8);
728  let x66: u8 = ((x65 & (0xff as u64)) as u8);
729  let x67: u64 = (x65 >> 8);
730  let x68: u8 = ((x67 & (0xff as u64)) as u8);
731  let x69: u8 = ((x67 >> 8) as u8);
732  let x70: u8 = ((x24 & (0xff as u64)) as u8);
733  let x71: u64 = (x24 >> 8);
734  let x72: u8 = ((x71 & (0xff as u64)) as u8);
735  let x73: u64 = (x71 >> 8);
736  let x74: u8 = ((x73 & (0xff as u64)) as u8);
737  let x75: u64 = (x73 >> 8);
738  let x76: u8 = ((x75 & (0xff as u64)) as u8);
739  let x77: u64 = (x75 >> 8);
740  let x78: u8 = ((x77 & (0xff as u64)) as u8);
741  let x79: u64 = (x77 >> 8);
742  let x80: u8 = ((x79 & (0xff as u64)) as u8);
743  let x81: u8 = ((x79 >> 8) as u8);
744  let x82: u8 = ((x26 & (0xff as u64)) as u8);
745  let x83: u64 = (x26 >> 8);
746  let x84: u8 = ((x83 & (0xff as u64)) as u8);
747  let x85: u64 = (x83 >> 8);
748  let x86: u8 = ((x85 & (0xff as u64)) as u8);
749  let x87: u64 = (x85 >> 8);
750  let x88: u8 = ((x87 & (0xff as u64)) as u8);
751  let x89: u64 = (x87 >> 8);
752  let x90: u8 = ((x89 & (0xff as u64)) as u8);
753  let x91: u64 = (x89 >> 8);
754  let x92: u8 = ((x91 & (0xff as u64)) as u8);
755  let x93: u8 = ((x91 >> 8) as u8);
756  let x94: u8 = ((x28 & (0xff as u64)) as u8);
757  let x95: u64 = (x28 >> 8);
758  let x96: u8 = ((x95 & (0xff as u64)) as u8);
759  let x97: u64 = (x95 >> 8);
760  let x98: u8 = ((x97 & (0xff as u64)) as u8);
761  let x99: u64 = (x97 >> 8);
762  let x100: u8 = ((x99 & (0xff as u64)) as u8);
763  let x101: u64 = (x99 >> 8);
764  let x102: u8 = ((x101 & (0xff as u64)) as u8);
765  let x103: u64 = (x101 >> 8);
766  let x104: u8 = ((x103 & (0xff as u64)) as u8);
767  let x105: u8 = ((x103 >> 8) as u8);
768  let x106: u8 = ((x30 & (0xff as u64)) as u8);
769  let x107: u64 = (x30 >> 8);
770  let x108: u8 = ((x107 & (0xff as u64)) as u8);
771  let x109: u64 = (x107 >> 8);
772  let x110: u8 = ((x109 & (0xff as u64)) as u8);
773  let x111: u64 = (x109 >> 8);
774  let x112: u8 = ((x111 & (0xff as u64)) as u8);
775  let x113: u64 = (x111 >> 8);
776  let x114: u8 = ((x113 & (0xff as u64)) as u8);
777  let x115: u64 = (x113 >> 8);
778  let x116: u8 = ((x115 & (0xff as u64)) as u8);
779  let x117: u8 = ((x115 >> 8) as u8);
780  let x118: u8 = ((x32 & (0xff as u64)) as u8);
781  let x119: u64 = (x32 >> 8);
782  let x120: u8 = ((x119 & (0xff as u64)) as u8);
783  let x121: u64 = (x119 >> 8);
784  let x122: u8 = ((x121 & (0xff as u64)) as u8);
785  let x123: u64 = (x121 >> 8);
786  let x124: u8 = ((x123 & (0xff as u64)) as u8);
787  let x125: u64 = (x123 >> 8);
788  let x126: u8 = ((x125 & (0xff as u64)) as u8);
789  let x127: u64 = (x125 >> 8);
790  let x128: u8 = ((x127 & (0xff as u64)) as u8);
791  let x129: u8 = ((x127 >> 8) as u8);
792  *IndexConst(&mut out1).index_mut(0) = x34;
793  *IndexConst(&mut out1).index_mut(1) = x36;
794  *IndexConst(&mut out1).index_mut(2) = x38;
795  *IndexConst(&mut out1).index_mut(3) = x40;
796  *IndexConst(&mut out1).index_mut(4) = x42;
797  *IndexConst(&mut out1).index_mut(5) = x44;
798  *IndexConst(&mut out1).index_mut(6) = x45;
799  *IndexConst(&mut out1).index_mut(7) = x46;
800  *IndexConst(&mut out1).index_mut(8) = x48;
801  *IndexConst(&mut out1).index_mut(9) = x50;
802  *IndexConst(&mut out1).index_mut(10) = x52;
803  *IndexConst(&mut out1).index_mut(11) = x54;
804  *IndexConst(&mut out1).index_mut(12) = x56;
805  *IndexConst(&mut out1).index_mut(13) = x57;
806  *IndexConst(&mut out1).index_mut(14) = x58;
807  *IndexConst(&mut out1).index_mut(15) = x60;
808  *IndexConst(&mut out1).index_mut(16) = x62;
809  *IndexConst(&mut out1).index_mut(17) = x64;
810  *IndexConst(&mut out1).index_mut(18) = x66;
811  *IndexConst(&mut out1).index_mut(19) = x68;
812  *IndexConst(&mut out1).index_mut(20) = x69;
813  *IndexConst(&mut out1).index_mut(21) = x70;
814  *IndexConst(&mut out1).index_mut(22) = x72;
815  *IndexConst(&mut out1).index_mut(23) = x74;
816  *IndexConst(&mut out1).index_mut(24) = x76;
817  *IndexConst(&mut out1).index_mut(25) = x78;
818  *IndexConst(&mut out1).index_mut(26) = x80;
819  *IndexConst(&mut out1).index_mut(27) = x81;
820  *IndexConst(&mut out1).index_mut(28) = x82;
821  *IndexConst(&mut out1).index_mut(29) = x84;
822  *IndexConst(&mut out1).index_mut(30) = x86;
823  *IndexConst(&mut out1).index_mut(31) = x88;
824  *IndexConst(&mut out1).index_mut(32) = x90;
825  *IndexConst(&mut out1).index_mut(33) = x92;
826  *IndexConst(&mut out1).index_mut(34) = x93;
827  *IndexConst(&mut out1).index_mut(35) = x94;
828  *IndexConst(&mut out1).index_mut(36) = x96;
829  *IndexConst(&mut out1).index_mut(37) = x98;
830  *IndexConst(&mut out1).index_mut(38) = x100;
831  *IndexConst(&mut out1).index_mut(39) = x102;
832  *IndexConst(&mut out1).index_mut(40) = x104;
833  *IndexConst(&mut out1).index_mut(41) = x105;
834  *IndexConst(&mut out1).index_mut(42) = x106;
835  *IndexConst(&mut out1).index_mut(43) = x108;
836  *IndexConst(&mut out1).index_mut(44) = x110;
837  *IndexConst(&mut out1).index_mut(45) = x112;
838  *IndexConst(&mut out1).index_mut(46) = x114;
839  *IndexConst(&mut out1).index_mut(47) = x116;
840  *IndexConst(&mut out1).index_mut(48) = x117;
841  *IndexConst(&mut out1).index_mut(49) = x118;
842  *IndexConst(&mut out1).index_mut(50) = x120;
843  *IndexConst(&mut out1).index_mut(51) = x122;
844  *IndexConst(&mut out1).index_mut(52) = x124;
845  *IndexConst(&mut out1).index_mut(53) = x126;
846  *IndexConst(&mut out1).index_mut(54) = x128;
847  *IndexConst(&mut out1).index_mut(55) = x129;
848}
849
850/// The function fiat_p448_from_bytes deserializes a field element from bytes in little-endian order.
851///
852/// Postconditions:
853///   eval out1 mod m = bytes_eval arg1 mod m
854///
855/// Input Bounds:
856///   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], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
857#[inline]
858pub const fn fiat_p448_from_bytes(mut out1: &mut fiat_p448_tight_field_element, arg1: &[u8; 56]) {
859  let x1: u64 = (((*IndexConst(arg1).index(55)) as u64) << 48);
860  let x2: u64 = (((*IndexConst(arg1).index(54)) as u64) << 40);
861  let x3: u64 = (((*IndexConst(arg1).index(53)) as u64) << 32);
862  let x4: u64 = (((*IndexConst(arg1).index(52)) as u64) << 24);
863  let x5: u64 = (((*IndexConst(arg1).index(51)) as u64) << 16);
864  let x6: u64 = (((*IndexConst(arg1).index(50)) as u64) << 8);
865  let x7: u8 = (*IndexConst(arg1).index(49));
866  let x8: u64 = (((*IndexConst(arg1).index(48)) as u64) << 48);
867  let x9: u64 = (((*IndexConst(arg1).index(47)) as u64) << 40);
868  let x10: u64 = (((*IndexConst(arg1).index(46)) as u64) << 32);
869  let x11: u64 = (((*IndexConst(arg1).index(45)) as u64) << 24);
870  let x12: u64 = (((*IndexConst(arg1).index(44)) as u64) << 16);
871  let x13: u64 = (((*IndexConst(arg1).index(43)) as u64) << 8);
872  let x14: u8 = (*IndexConst(arg1).index(42));
873  let x15: u64 = (((*IndexConst(arg1).index(41)) as u64) << 48);
874  let x16: u64 = (((*IndexConst(arg1).index(40)) as u64) << 40);
875  let x17: u64 = (((*IndexConst(arg1).index(39)) as u64) << 32);
876  let x18: u64 = (((*IndexConst(arg1).index(38)) as u64) << 24);
877  let x19: u64 = (((*IndexConst(arg1).index(37)) as u64) << 16);
878  let x20: u64 = (((*IndexConst(arg1).index(36)) as u64) << 8);
879  let x21: u8 = (*IndexConst(arg1).index(35));
880  let x22: u64 = (((*IndexConst(arg1).index(34)) as u64) << 48);
881  let x23: u64 = (((*IndexConst(arg1).index(33)) as u64) << 40);
882  let x24: u64 = (((*IndexConst(arg1).index(32)) as u64) << 32);
883  let x25: u64 = (((*IndexConst(arg1).index(31)) as u64) << 24);
884  let x26: u64 = (((*IndexConst(arg1).index(30)) as u64) << 16);
885  let x27: u64 = (((*IndexConst(arg1).index(29)) as u64) << 8);
886  let x28: u8 = (*IndexConst(arg1).index(28));
887  let x29: u64 = (((*IndexConst(arg1).index(27)) as u64) << 48);
888  let x30: u64 = (((*IndexConst(arg1).index(26)) as u64) << 40);
889  let x31: u64 = (((*IndexConst(arg1).index(25)) as u64) << 32);
890  let x32: u64 = (((*IndexConst(arg1).index(24)) as u64) << 24);
891  let x33: u64 = (((*IndexConst(arg1).index(23)) as u64) << 16);
892  let x34: u64 = (((*IndexConst(arg1).index(22)) as u64) << 8);
893  let x35: u8 = (*IndexConst(arg1).index(21));
894  let x36: u64 = (((*IndexConst(arg1).index(20)) as u64) << 48);
895  let x37: u64 = (((*IndexConst(arg1).index(19)) as u64) << 40);
896  let x38: u64 = (((*IndexConst(arg1).index(18)) as u64) << 32);
897  let x39: u64 = (((*IndexConst(arg1).index(17)) as u64) << 24);
898  let x40: u64 = (((*IndexConst(arg1).index(16)) as u64) << 16);
899  let x41: u64 = (((*IndexConst(arg1).index(15)) as u64) << 8);
900  let x42: u8 = (*IndexConst(arg1).index(14));
901  let x43: u64 = (((*IndexConst(arg1).index(13)) as u64) << 48);
902  let x44: u64 = (((*IndexConst(arg1).index(12)) as u64) << 40);
903  let x45: u64 = (((*IndexConst(arg1).index(11)) as u64) << 32);
904  let x46: u64 = (((*IndexConst(arg1).index(10)) as u64) << 24);
905  let x47: u64 = (((*IndexConst(arg1).index(9)) as u64) << 16);
906  let x48: u64 = (((*IndexConst(arg1).index(8)) as u64) << 8);
907  let x49: u8 = (*IndexConst(arg1).index(7));
908  let x50: u64 = (((*IndexConst(arg1).index(6)) as u64) << 48);
909  let x51: u64 = (((*IndexConst(arg1).index(5)) as u64) << 40);
910  let x52: u64 = (((*IndexConst(arg1).index(4)) as u64) << 32);
911  let x53: u64 = (((*IndexConst(arg1).index(3)) as u64) << 24);
912  let x54: u64 = (((*IndexConst(arg1).index(2)) as u64) << 16);
913  let x55: u64 = (((*IndexConst(arg1).index(1)) as u64) << 8);
914  let x56: u8 = (*IndexConst(arg1).index(0));
915  let x57: u64 = (x55 + (x56 as u64));
916  let x58: u64 = (x54 + x57);
917  let x59: u64 = (x53 + x58);
918  let x60: u64 = (x52 + x59);
919  let x61: u64 = (x51 + x60);
920  let x62: u64 = (x50 + x61);
921  let x63: u64 = (x48 + (x49 as u64));
922  let x64: u64 = (x47 + x63);
923  let x65: u64 = (x46 + x64);
924  let x66: u64 = (x45 + x65);
925  let x67: u64 = (x44 + x66);
926  let x68: u64 = (x43 + x67);
927  let x69: u64 = (x41 + (x42 as u64));
928  let x70: u64 = (x40 + x69);
929  let x71: u64 = (x39 + x70);
930  let x72: u64 = (x38 + x71);
931  let x73: u64 = (x37 + x72);
932  let x74: u64 = (x36 + x73);
933  let x75: u64 = (x34 + (x35 as u64));
934  let x76: u64 = (x33 + x75);
935  let x77: u64 = (x32 + x76);
936  let x78: u64 = (x31 + x77);
937  let x79: u64 = (x30 + x78);
938  let x80: u64 = (x29 + x79);
939  let x81: u64 = (x27 + (x28 as u64));
940  let x82: u64 = (x26 + x81);
941  let x83: u64 = (x25 + x82);
942  let x84: u64 = (x24 + x83);
943  let x85: u64 = (x23 + x84);
944  let x86: u64 = (x22 + x85);
945  let x87: u64 = (x20 + (x21 as u64));
946  let x88: u64 = (x19 + x87);
947  let x89: u64 = (x18 + x88);
948  let x90: u64 = (x17 + x89);
949  let x91: u64 = (x16 + x90);
950  let x92: u64 = (x15 + x91);
951  let x93: u64 = (x13 + (x14 as u64));
952  let x94: u64 = (x12 + x93);
953  let x95: u64 = (x11 + x94);
954  let x96: u64 = (x10 + x95);
955  let x97: u64 = (x9 + x96);
956  let x98: u64 = (x8 + x97);
957  let x99: u64 = (x6 + (x7 as u64));
958  let x100: u64 = (x5 + x99);
959  let x101: u64 = (x4 + x100);
960  let x102: u64 = (x3 + x101);
961  let x103: u64 = (x2 + x102);
962  let x104: u64 = (x1 + x103);
963  *IndexConst(&mut out1).index_mut(0) = x62;
964  *IndexConst(&mut out1).index_mut(1) = x68;
965  *IndexConst(&mut out1).index_mut(2) = x74;
966  *IndexConst(&mut out1).index_mut(3) = x80;
967  *IndexConst(&mut out1).index_mut(4) = x86;
968  *IndexConst(&mut out1).index_mut(5) = x92;
969  *IndexConst(&mut out1).index_mut(6) = x98;
970  *IndexConst(&mut out1).index_mut(7) = x104;
971}
972
973/// The function fiat_p448_relax is the identity function converting from tight field elements to loose field elements.
974///
975/// Postconditions:
976///   out1 = arg1
977///
978#[inline]
979pub const fn fiat_p448_relax(mut out1: &mut fiat_p448_loose_field_element, arg1: &fiat_p448_tight_field_element) {
980  let x1: u64 = (*IndexConst(arg1).index(0));
981  let x2: u64 = (*IndexConst(arg1).index(1));
982  let x3: u64 = (*IndexConst(arg1).index(2));
983  let x4: u64 = (*IndexConst(arg1).index(3));
984  let x5: u64 = (*IndexConst(arg1).index(4));
985  let x6: u64 = (*IndexConst(arg1).index(5));
986  let x7: u64 = (*IndexConst(arg1).index(6));
987  let x8: u64 = (*IndexConst(arg1).index(7));
988  *IndexConst(&mut out1).index_mut(0) = x1;
989  *IndexConst(&mut out1).index_mut(1) = x2;
990  *IndexConst(&mut out1).index_mut(2) = x3;
991  *IndexConst(&mut out1).index_mut(3) = x4;
992  *IndexConst(&mut out1).index_mut(4) = x5;
993  *IndexConst(&mut out1).index_mut(5) = x6;
994  *IndexConst(&mut out1).index_mut(6) = x7;
995  *IndexConst(&mut out1).index_mut(7) = x8;
996}
fiat_crypto/p448_solinas_64.rs

fiat_crypto/
p448_solinas_64.rs
