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/*############################################################################
# Copyright 1999-2018 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# 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. Cryptography Primitives.
// Internal Miscellaneous BNU 32 bit Definitions & Function Prototypes
//
//
*/
#if !defined(_CP_BNU32_MISC_H)
#define _CP_BNU32_MISC_H
/* bit operations */
#define BITSIZE_BNU32(p,ns) ((ns)*BNU_CHUNK_32BIT-cpNLZ_BNU32((p)[(ns)-1]))
/* number of leading/trailing zeros */
#define cpNLZ_BNU32 OWNAPI(cpNLZ_BNU32)
cpSize cpNLZ_BNU32(Ipp32u x);
/* most significant BNU bit */
__INLINE int cpMSBit_BNU32(const Ipp32u* pA, cpSize nsA)
{
FIX_BNU(pA, nsA);
return nsA*BITSIZE(Ipp32u) - cpNLZ_BNU32(pA[nsA-1]) -1;
}
__INLINE int cpCmp_BNU32(const Ipp32u* pA, cpSize nsA, const Ipp32u* pB, cpSize nsB)
{
if(nsA!=nsB)
return nsA>nsB? 1 : -1;
else {
for(; nsA>0; nsA--) {
if(pA[nsA-1] > pB[nsA-1])
return 1;
else if(pA[nsA-1] < pB[nsA-1])
return -1;
}
return 0;
}
}
/* to/from oct string conversion */
#define cpToOctStr_BNU32 OWNAPI(cpToOctStr_BNU32)
cpSize cpToOctStr_BNU32(Ipp8u* pStr, cpSize strLen, const Ipp32u* pBNU, cpSize bnuSize);
#define cpFromOctStr_BNU32 OWNAPI(cpFromOctStr_BNU32)
cpSize cpFromOctStr_BNU32(Ipp32u* pBNU, const Ipp8u* pOctStr, cpSize strLen);
#endif /* _CP_BNU32_MISC_H */
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