102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
#pragma once
|
|
|
|
#include <vector>
|
|
|
|
#if defined(__MINGW32__) || defined(_WIN32)
|
|
|
|
#if defined(BIGINT_API)
|
|
#define BIGINT_API __declspec(dllexport)
|
|
#else
|
|
#define BIGINT_API __declspec(dllimport)
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#ifndef BIGINT_API
|
|
#if __GNUC__ >= 4
|
|
#define BIGINT_API __attribute__ ((visibility ("default")))
|
|
#else
|
|
#define BIGINT_API
|
|
#endif
|
|
#endif
|
|
|
|
#define BYTE unsigned char
|
|
|
|
|
|
namespace CryptoCPP {
|
|
namespace Math {
|
|
class BigInteger
|
|
{
|
|
public:
|
|
BIGINT_API BigInteger(long long initialValue);
|
|
BIGINT_API BigInteger(const BigInteger& initialvalue);
|
|
|
|
// These should just create a new bigint and call the internal functions on it
|
|
BIGINT_API BigInteger* operator+(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator-(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator*(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator/(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator%(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator^(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator&(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator|(const BigInteger& val) const;
|
|
BIGINT_API BigInteger* operator~() const;
|
|
BIGINT_API BigInteger* operator<<(size_t shiftcount) const;
|
|
BIGINT_API BigInteger* operator>>(size_t shiftcount) const;
|
|
|
|
BIGINT_API BigInteger* operator+=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator-=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator*=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator/=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator%=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator^=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator&=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator|=(const BigInteger& val);
|
|
BIGINT_API BigInteger* operator<<=(size_t shiftcount);
|
|
BIGINT_API BigInteger* operator>>=(size_t shiftcount);
|
|
|
|
BIGINT_API bool operator<(const BigInteger& val) const;
|
|
BIGINT_API bool operator>(const BigInteger& val) const;
|
|
BIGINT_API bool operator<=(const BigInteger& val) const;
|
|
BIGINT_API bool operator>=(const BigInteger& val) const;
|
|
BIGINT_API bool operator==(const BigInteger& val) const;
|
|
BIGINT_API bool operator!=(const BigInteger& val) const;
|
|
|
|
BIGINT_API char* toString();
|
|
|
|
protected:
|
|
std::vector<BYTE>* data;
|
|
bool sign;
|
|
|
|
// Internal functions: manipulate the object they are called on
|
|
BIGINT_API void iadd(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API void isub(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API void imul(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API BigInteger* idiv(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API void imod(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API void ixor(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API void iand(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API void ior(const BigInteger& val, bool swaptarget);
|
|
BIGINT_API void inot();
|
|
BIGINT_API void ishl(size_t shift);
|
|
BIGINT_API void ishr(size_t shift);
|
|
BIGINT_API void twos_complement();
|
|
BIGINT_API void set_bit(size_t index, bool value);
|
|
BIGINT_API void cpy(const BigInteger& val, bool withsign);
|
|
|
|
BIGINT_API char cmp(const BigInteger& other, bool grt) const;
|
|
|
|
// Math helper functions
|
|
BIGINT_API char shift_mask(size_t shift, bool left);
|
|
|
|
// For sorting and whatnot
|
|
BIGINT_API void clip_zeroes();
|
|
BIGINT_API size_t highest_set_bit(bool* hasbits) const;
|
|
BIGINT_API size_t lowest_set_bit(bool* hasbits) const;
|
|
BIGINT_API size_t nth_set_bit(size_t index, bool minfirst, bool* hasbits) const;
|
|
BIGINT_API bool is_zero() const;
|
|
};
|
|
}
|
|
}
|
|
|