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zcash-patched-for-explorer
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Update to DistinctIndices function (for issue #857). 

Replaces pull request #974.
This commit is contained in:
Simon 2016-06-08 23:20:54 +08:00
parent 592b2f0e64
commit 574f0bca77
1 changed files with 5 additions and 11 deletions
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16
src/crypto/equihash.tcc
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@ -12,18 +12,12 @@ bool DistinctIndices(const FullStepRow<WIDTH>& a, const FullStepRow<WIDTH>& b, s
{
std::vector<eh_index> aSrt = a.GetIndices(len, lenIndices);
std::vector<eh_index> bSrt = b.GetIndices(len, lenIndices);
std::sort(aSrt.begin(), aSrt.end());
std::sort(bSrt.begin(), bSrt.end());
unsigned int i = 0;
for (unsigned int j = 0; j < bSrt.size(); j++) {
while (aSrt[i] < bSrt[j]) {
i++;
if (i == aSrt.size()) { return true; }
for(auto const& value1: aSrt) {
for(auto const& value2: bSrt) {
if (value1==value2) {
return false;
}
}
assert(aSrt[i] >= bSrt[j]);
if (aSrt[i] == bSrt[j]) { return false; }
}
return true;
}