squall/storm/big/Ops.hpp

#ifndef STORM_BIG_OPS_HPP
#define STORM_BIG_OPS_HPP

#include "storm/big/BigBuffer.hpp"
#include "storm/big/BigStack.hpp"
#include <cstdint>

void Add(BigBuffer& a, const BigBuffer& b, uint32_t c);

void Add(BigBuffer& a, const BigBuffer& b, const BigBuffer& c);

int32_t Compare(const BigBuffer& a, const BigBuffer& b);

void Div(BigBuffer& a, uint32_t* b, const BigBuffer& c, uint64_t d);

void Div(BigBuffer& a, BigBuffer& b, const BigBuffer& c, const BigBuffer& d, BigStack& stack);

uint32_t ExtractLowPart(uint64_t& value);

uint32_t ExtractLowPartLargeSum(uint64_t& value, uint64_t add);

uint32_t ExtractLowPartSx(uint64_t& value);

void FromBinary(BigBuffer& buffer, const void* value, uint32_t bytes);

void FromUnsigned(BigBuffer& buffer, uint32_t value);

uint32_t HighBitPos(const BigBuffer& buffer);

void InsertLowPart(uint64_t& value, uint32_t low);

uint64_t MakeLarge(uint32_t low, uint32_t high);

void Mul(BigBuffer& a, const BigBuffer& b, uint64_t c);

void Mul(BigBuffer& a, const BigBuffer& b, const BigBuffer& c, BigStack& stack);

void MulMod(BigBuffer& a, const BigBuffer& b, const BigBuffer& c, const BigBuffer& d, BigStack& stack);

void PowMod(BigBuffer& a, const BigBuffer& b, const BigBuffer& c, const BigBuffer& d, BigStack& stack);

void SetOne(BigBuffer& buffer);

void SetZero(BigBuffer& buffer);

void Shl(BigBuffer& a, const BigBuffer& b, uint32_t shift);

void Shr(BigBuffer& a, const BigBuffer& b, uint32_t shift);

void Square(BigBuffer& a, const BigBuffer& b, BigStack& stack);

void Sub(BigBuffer& a, const BigBuffer& b, const BigBuffer& c);

void ToBinary(TSGrowableArray<uint8_t>& output, const BigBuffer& buffer);

#endif