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feat(big): add SBigDiv

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This commit is contained in:
Adam Heinermann 2024-11-15 07:52:35 -08:00 • committed by superp00t
parent 149a739a9d
commit 328bbf61d8
4 changed files with 80 additions and 5 deletions
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9
storm/Big.cpp
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@ -44,6 +44,15 @@ void SBigDel(BigData* num) {
delete num;
}
void SBigDiv(BigData* a, BigData* b, BigData* c) {
uint32_t allocCount = 0;
BigBuffer &buf = a->Stack().Alloc(&allocCount);
Div(a->Primary(), buf, b->Primary(), c->Primary(), a->Stack());
a->Stack().Free(allocCount);
}
void SBigFromBinary(BigData* num, const void* data, uint32_t bytes) {
FromBinary(num->Primary(), data, bytes);
}

2
storm/Big.hpp
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@ -18,6 +18,8 @@ void SBigDec(BigData* a, BigData* b);
void SBigDel(BigData* num);
void SBigDiv(BigData* a, BigData* b, BigData* c);
void SBigFromBinary(BigData* num, const void* data, uint32_t bytes);
void SBigFromStr(BigData* num, const char* str);

2
storm/big/Ops.cpp
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@ -409,7 +409,7 @@ void Sub(BigBuffer& a, const BigBuffer& b, uint32_t c) {
uint32_t i = 0;
for (; b.IsUsed(i); i++) {
borrow += b[i] - static_cast<uint64_t>(c);;
borrow += b[i] - c;
a[i] = ExtractLowPartSx(borrow);
}