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feat(big): implement ToStream and EncodeDataBytes ops

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This commit is contained in:
Adam Heinermann 2024-11-17 03:17:16 -08:00 • committed by superp00t
parent 8e96181679
commit 6a88f93619
3 changed files with 68 additions and 1 deletions
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15
storm/big/Ops.cpp
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@ -131,6 +131,15 @@ void Div(BigBuffer& a, BigBuffer& b, const BigBuffer& c, const BigBuffer& d, Big
stack.Free(allocCount);
}
void EncodeDataBytes(TSGrowableArray<uint8_t>& output, uint32_t value) {
uint32_t v = value;
while (v != 0) {
*output.New() = v % 255u;
v /= 255u;
}
*output.New() = 255;
}
uint32_t ExtractLowPart(uint64_t& value) {
auto low = static_cast<uint32_t>(value);
value >>= 32;
@ -467,3 +476,9 @@ void ToBinary(TSGrowableArray<uint8_t>& output, const BigBuffer& buffer) {
output.SetCount(0);
ToBinaryAppend(output, buffer);
}
void ToStream(TSGrowableArray<uint8_t>& output, const BigBuffer& buffer) {
ToBinary(output, buffer);
EncodeDataBytes(output, output.Count());
ToBinaryAppend(output, buffer);
}