Coverage Report

Created: 2020-06-30 13:58

/src/botan/build/include/botan/internal/code_based_util.h
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Source (jump to first uncovered line)
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/*
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 * (C) Copyright Projet SECRET, INRIA, Rocquencourt
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 * (C) Bhaskar Biswas and  Nicolas Sendrier
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 *
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 * (C) 2014 cryptosource GmbH
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 * (C) 2014 Falko Strenzke fstrenzke@cryptosource.de
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 *
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 * Botan is released under the Simplified BSD License (see license.txt)
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 *
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 */
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#ifndef BOTAN_CODE_BASED_UTIL_H_
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#define BOTAN_CODE_BASED_UTIL_H_
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#include <botan/gf2m_small_m.h>
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namespace Botan {
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/**
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* Expand an input to a bit mask depending on it being being zero or non-zero
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* @param tst the input
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* @return the mask 0xFFFF if tst is non-zero and 0 otherwise
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*/
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template<typename T>
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uint16_t expand_mask_16bit(T tst)
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   {
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   const uint16_t result = (tst != 0);
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   return ~(result - 1);
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   }
Unexecuted instantiation: unsigned short Botan::expand_mask_16bit<unsigned short>(unsigned short)
Unexecuted instantiation: unsigned short Botan::expand_mask_16bit<unsigned int>(unsigned int)
Unexecuted instantiation: unsigned short Botan::expand_mask_16bit<int>(int)
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inline gf2m gray_to_lex(gf2m gray)
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   {
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   gf2m result = gray ^ (gray >> 8);
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   result ^= (result >> 4);
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   result ^= (result >> 2);
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   result ^= (result >> 1);
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   return result;
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   }
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inline gf2m lex_to_gray(gf2m lex)
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   {
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   return (lex >> 1) ^ lex;
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   }
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inline size_t bit_size_to_byte_size(size_t bit_size)
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   {
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   return (bit_size - 1) / 8 + 1;
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   }
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inline size_t bit_size_to_32bit_size(size_t bit_size)
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   {
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   return (bit_size - 1) / 32 + 1;
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   }
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}
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#endif