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initial u256

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-07-02 16:24:23 -07:00
parent c053c7f1c8
commit babb90832c
22 changed files with 6635 additions and 1 deletions
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src/math/bigfix/Hacl_Bignum_Base.h Normal file
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/* MIT License
*
* Copyright (c) 2016-2020 INRIA, CMU and Microsoft Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __Hacl_Bignum_Base_H
#define __Hacl_Bignum_Base_H
#if defined(__cplusplus)
extern "C" {
#endif
#include "kremlin/internal/types.h"
#include "kremlin/lowstar_endianness.h"
#include <string.h>
#include "kremlin/internal/target.h"
static inline uint64_t
Hacl_Bignum_Base_mul_wide_add_u64(uint64_t a, uint64_t b, uint64_t c_in, uint64_t *out)
{
FStar_UInt128_uint128
res = FStar_UInt128_add(FStar_UInt128_mul_wide(a, b), FStar_UInt128_uint64_to_uint128(c_in));
out[0U] = FStar_UInt128_uint128_to_uint64(res);
return FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(res, (uint32_t)64U));
}
static inline uint32_t
Hacl_Bignum_Base_mul_wide_add2_u32(uint32_t a, uint32_t b, uint32_t c_in, uint32_t *out)
{
uint32_t out0 = out[0U];
uint64_t res = (uint64_t)a * (uint64_t)b + (uint64_t)c_in + (uint64_t)out0;
out[0U] = (uint32_t)res;
return (uint32_t)(res >> (uint32_t)32U);
}
static inline uint64_t
Hacl_Bignum_Base_mul_wide_add2_u64(uint64_t a, uint64_t b, uint64_t c_in, uint64_t *out)
{
uint64_t out0 = out[0U];
FStar_UInt128_uint128
res =
FStar_UInt128_add(FStar_UInt128_add(FStar_UInt128_mul_wide(a, b),
FStar_UInt128_uint64_to_uint128(c_in)),
FStar_UInt128_uint64_to_uint128(out0));
out[0U] = FStar_UInt128_uint128_to_uint64(res);
return FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(res, (uint32_t)64U));
}
#if defined(__cplusplus)
}
#endif
#define __Hacl_Bignum_Base_H_DEFINED
#endif