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Fix msvc compiler error C4146 (minus operator applied to unsigned type)

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On msvc14, the compiler error C4146 (unary minus operator applied to unsigned type, result still unsigned) had been occured.
Use '0 - x' styled formula instead of '-x' so as to fix the error.
This commit is contained in:
kobake 2017-02-14 15:39:51 +09:00
parent d978c41e1e
commit 292112f87e
1 changed files with 2 additions and 2 deletions
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4
src/bloom.cpp
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@ -254,8 +254,8 @@ void CRollingBloomFilter::insert(const std::vector<unsigned char>& vKey)
if (nGeneration == 4) {
nGeneration = 1;
}
uint64_t nGenerationMask1 = -(uint64_t)(nGeneration & 1);
uint64_t nGenerationMask2 = -(uint64_t)(nGeneration >> 1);
uint64_t nGenerationMask1 = 0 - (uint64_t)(nGeneration & 1);
uint64_t nGenerationMask2 = 0 - (uint64_t)(nGeneration >> 1);
/* Wipe old entries that used this generation number. */
for (uint32_t p = 0; p < data.size(); p += 2) {
uint64_t p1 = data[p], p2 = data[p + 1];