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/*******************************************************************************
* Copyright 2012-2018 Intel Corporation
* All Rights Reserved.
*
* If this software was obtained under the Intel Simplified Software License,
* the following terms apply:
*
* The source code, information and material ("Material") contained herein is
* owned by Intel Corporation or its suppliers or licensors, and title to such
* Material remains with Intel Corporation or its suppliers or licensors. The
* Material contains proprietary information of Intel or its suppliers and
* licensors. The Material is protected by worldwide copyright laws and treaty
* provisions. No part of the Material may be used, copied, reproduced,
* modified, published, uploaded, posted, transmitted, distributed or disclosed
* in any way without Intel's prior express written permission. No license under
* any patent, copyright or other intellectual property rights in the Material
* is granted to or conferred upon you, either expressly, by implication,
* inducement, estoppel or otherwise. Any license under such intellectual
* property rights must be express and approved by Intel in writing.
*
* Unless otherwise agreed by Intel in writing, you may not remove or alter this
* notice or any other notice embedded in Materials by Intel or Intel's
* suppliers or licensors in any way.
*
*
* If this software was obtained under the Apache License, Version 2.0 (the
* "License"), the following terms apply:
*
* You may not use this file except in compliance with the License. You may
* obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
/*
// Purpose:
// Intel(R) Integrated Performance Primitives.
// Internal Unsigned internal arithmetic
//
//
*/
#if !defined(_CP_BNU_ARITH_H)
#define _CP_BNU_ARITH_H
#include "pcpbnuimpl.h"
#include "pcpbnu32arith.h"
#define cpAdd_BNU OWNAPI(cpAdd_BNU)
BNU_CHUNK_T cpAdd_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, cpSize ns);
#define cpSub_BNU OWNAPI(cpSub_BNU)
BNU_CHUNK_T cpSub_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, cpSize ns);
#define cpInc_BNU OWNAPI(cpInc_BNU)
BNU_CHUNK_T cpInc_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, cpSize ns, BNU_CHUNK_T val);
#define cpDec_BNU OWNAPI(cpDec_BNU)
BNU_CHUNK_T cpDec_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, cpSize ns, BNU_CHUNK_T val);
#define cpAddMulDgt_BNU OWNAPI(cpAddMulDgt_BNU)
BNU_CHUNK_T cpAddMulDgt_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, cpSize ns, BNU_CHUNK_T val);
#define cpMulAdc_BNU_school OWNAPI(cpMulAdc_BNU_school)
BNU_CHUNK_T cpMulAdc_BNU_school(BNU_CHUNK_T* pR,
const BNU_CHUNK_T* pA, cpSize nsA,
const BNU_CHUNK_T* pB, cpSize nsB);
#define cpMulAdx_BNU_school OWNAPI(cpMulAdx_BNU_school)
BNU_CHUNK_T cpMulAdx_BNU_school(BNU_CHUNK_T* pR,
const BNU_CHUNK_T* pA, cpSize nsA,
const BNU_CHUNK_T* pB, cpSize nsB);
/*F*
// Name: cpMul_BNU_school
//
// Purpose: Multiply 2 BigNums.
//
// Returns:
// extension of result of multiply 2 BigNums
//
// Parameters:
// pA source BigNum A
// nsA size of A
// pB source BigNum B
// nsB size of B
// pR resultant BigNum
//
*F*/
__INLINE BNU_CHUNK_T cpMul_BNU_school(BNU_CHUNK_T* pR,
const BNU_CHUNK_T* pA, cpSize nsA,
const BNU_CHUNK_T* pB, cpSize nsB)
{
#if(_ADCOX_NI_ENABLING_==_FEATURE_ON_)
return cpMulAdx_BNU_school(pR, pA,nsA, pB,nsB);
#elif(_ADCOX_NI_ENABLING_==_FEATURE_TICKTOCK_)
return IsFeatureEnabled(ippCPUID_ADCOX)? cpMulAdx_BNU_school(pR, pA,nsA, pB,nsB)
: cpMulAdc_BNU_school(pR, pA,nsA, pB,nsB);
#else
return cpMulAdc_BNU_school(pR, pA,nsA, pB,nsB);
#endif
}
#define cpSqrAdc_BNU_school OWNAPI(cpSqrAdc_BNU_school)
BNU_CHUNK_T cpSqrAdc_BNU_school(BNU_CHUNK_T * pR, const BNU_CHUNK_T * pA, cpSize nsA);
#define cpSqrAdx_BNU_school OWNAPI(cpSqrAdx_BNU_school)
BNU_CHUNK_T cpSqrAdx_BNU_school(BNU_CHUNK_T * pR, const BNU_CHUNK_T * pA, cpSize nsA);
/*F*
// Name: cpSqr_BNU_school
//
// Purpose: Square BigNum.
//
// Returns:
// extension of result of square BigNum
//
// Parameters:
// pA source BigNum
// pR resultant BigNum
//
*F*/
__INLINE BNU_CHUNK_T cpSqr_BNU_school(BNU_CHUNK_T * pR, const BNU_CHUNK_T * pA, cpSize nsA)
{
#if(_ADCOX_NI_ENABLING_==_FEATURE_ON_)
return cpSqrAdx_BNU_school(pR, pA,nsA);
#elif(_ADCOX_NI_ENABLING_==_FEATURE_TICKTOCK_)
return IsFeatureEnabled(ippCPUID_ADCOX)? cpSqrAdx_BNU_school(pR, pA,nsA)
: cpSqrAdc_BNU_school(pR, pA,nsA);
#else
return cpSqrAdc_BNU_school(pR, pA,nsA);
#endif
}
#define cpGcd_BNU OWNAPI(cpGcd_BNU)
BNU_CHUNK_T cpGcd_BNU(BNU_CHUNK_T a, BNU_CHUNK_T b);
#define cpModInv_BNU OWNAPI(cpModInv_BNU)
int cpModInv_BNU(BNU_CHUNK_T* pInv,
const BNU_CHUNK_T* pA, cpSize nsA,
const BNU_CHUNK_T* pM, cpSize nsM,
BNU_CHUNK_T* bufInv, BNU_CHUNK_T* bufA, BNU_CHUNK_T* bufM);
/*
// multiplication/squaring wrappers
*/
__INLINE BNU_CHUNK_T cpMul_BNU(BNU_CHUNK_T* pR,
const BNU_CHUNK_T* pA, cpSize nsA,
const BNU_CHUNK_T* pB, cpSize nsB,
BNU_CHUNK_T* pBuffer)
{
UNREFERENCED_PARAMETER(pBuffer);
return cpMul_BNU_school(pR, pA,nsA, pB,nsB);
}
__INLINE BNU_CHUNK_T cpSqr_BNU(BNU_CHUNK_T * pR,
const BNU_CHUNK_T * pA, cpSize nsA,
BNU_CHUNK_T* pBuffer)
{
UNREFERENCED_PARAMETER(pBuffer);
return cpSqr_BNU_school(pR, pA,nsA);
}
/*F*
// Name: cpDiv_BNU
//
// Purpose: division/reduction BigNums.
//
// Returns:
// size of result
//
// Parameters:
// pA source BigNum
// pB source BigNum
// pQ quotient BigNum
// pnsQ pointer to max size of Q
// nsA size of A
// nsB size of B
//
*F*/
__INLINE cpSize cpDiv_BNU(BNU_CHUNK_T* pQ, cpSize* pnsQ, BNU_CHUNK_T* pA, cpSize nsA, BNU_CHUNK_T* pB, cpSize nsB)
{
int nsR = cpDiv_BNU32((Ipp32u*)pQ, pnsQ,
(Ipp32u*)pA, nsA*(sizeof(BNU_CHUNK_T)/sizeof(Ipp32u)),
(Ipp32u*)pB, nsB*(sizeof(BNU_CHUNK_T)/sizeof(Ipp32u)));
#if (BNU_CHUNK_BITS == BNU_CHUNK_64BIT)
if(nsR&1) ((Ipp32u*)pA)[nsR] = 0;
nsR = INTERNAL_BNU_LENGTH(nsR);
if(pQ) {
if(*pnsQ&1) ((Ipp32u*)pQ)[*pnsQ] = 0;
*pnsQ = INTERNAL_BNU_LENGTH(*pnsQ);
}
#endif
return nsR;
}
/*F*
// Name: cpMod_BNU
//
// Purpose: reduction BigNums.
//
// Returns:
// cpDiv_BNU(NULL,NULL, pX,nsX, pModulus, nsM)
//
// Parameters:
// pX source BigNum
// pModulus source BigNum
// nsX size of X
// nsM size of Modulus
//
*F*/
__INLINE cpSize cpMod_BNU(BNU_CHUNK_T* pX, cpSize nsX, BNU_CHUNK_T* pModulus, cpSize nsM)
{
return cpDiv_BNU(NULL,NULL, pX,nsX, pModulus, nsM);
}
#endif /* _CP_BNU_ARITH_H */
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