mirror of
https://github.com/Z3Prover/z3
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73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
/* MIT License
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*
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* Copyright (c) 2016-2020 INRIA, CMU and Microsoft Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __Hacl_Bignum_Base_H
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#define __Hacl_Bignum_Base_H
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#include "math/bigfix/types.h"
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#include "math/bigfix/LowStar_Endianness.h"
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#include <string.h>
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#include "math/bigfix/target.h"
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static inline uint64_t
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Hacl_Bignum_Base_mul_wide_add_u64(uint64_t a, uint64_t b, uint64_t c_in, uint64_t *out)
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{
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FStar_UInt128_uint128
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res = FStar_UInt128_add(FStar_UInt128_mul_wide(a, b), FStar_UInt128_uint64_to_uint128(c_in));
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out[0U] = FStar_UInt128_uint128_to_uint64(res);
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return FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(res, (uint32_t)64U));
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}
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static inline uint32_t
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Hacl_Bignum_Base_mul_wide_add2_u32(uint32_t a, uint32_t b, uint32_t c_in, uint32_t *out)
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{
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uint32_t out0 = out[0U];
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uint64_t res = (uint64_t)a * (uint64_t)b + (uint64_t)c_in + (uint64_t)out0;
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out[0U] = (uint32_t)res;
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return (uint32_t)(res >> (uint32_t)32U);
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}
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static inline uint64_t
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Hacl_Bignum_Base_mul_wide_add2_u64(uint64_t a, uint64_t b, uint64_t c_in, uint64_t *out)
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{
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uint64_t out0 = out[0U];
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FStar_UInt128_uint128
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res =
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FStar_UInt128_add(FStar_UInt128_add(FStar_UInt128_mul_wide(a, b),
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FStar_UInt128_uint64_to_uint128(c_in)),
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FStar_UInt128_uint64_to_uint128(out0));
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out[0U] = FStar_UInt128_uint128_to_uint64(res);
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return FStar_UInt128_uint128_to_uint64(FStar_UInt128_shift_right(res, (uint32_t)64U));
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}
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#if defined(__cplusplus)
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}
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#endif
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#define __Hacl_Bignum_Base_H_DEFINED
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#endif
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