GabrielTofvesson
1448af586d
- Added operator overloads for all operations - Added internal functions that modify the value is is called on, as opposed to creating a new object Changed some settings
84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
#pragma once
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#include <vector>
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#include <queue>
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#ifdef BIGINT_API
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#define BIGINT_API __declspec(dllexport)
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#else
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#define BIGINT_API __declspec(dllimport)
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#endif
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#define BYTE unsigned char
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class BigInteger {
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public:
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BIGINT_API BigInteger(int64_t initialValue);
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BIGINT_API BigInteger(const BigInteger& initialvalue);
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// These should just create a new bigint and call the internal functions on it
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BIGINT_API BigInteger* operator+(const BigInteger& val) const;
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BIGINT_API BigInteger* operator-(const BigInteger& val) const;
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BIGINT_API BigInteger* operator*(const BigInteger& val) const;
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BIGINT_API BigInteger* operator/(const BigInteger& val) const;
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BIGINT_API BigInteger* operator%(const BigInteger& val) const;
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BIGINT_API BigInteger* operator^(const BigInteger& val) const;
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BIGINT_API BigInteger* operator&(const BigInteger& val) const;
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BIGINT_API BigInteger* operator|(const BigInteger& val) const;
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BIGINT_API BigInteger* operator~() const;
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BIGINT_API BigInteger* operator<<(uint64_t shiftcount) const;
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BIGINT_API BigInteger* operator>>(uint64_t shiftcount) const;
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BIGINT_API BigInteger* operator+(const BigInteger* val) const;
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BIGINT_API BigInteger* operator-(const BigInteger* val) const;
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BIGINT_API BigInteger* operator*(const BigInteger* val) const;
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BIGINT_API BigInteger* operator/(const BigInteger* val) const;
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BIGINT_API BigInteger* operator%(const BigInteger* val) const;
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BIGINT_API BigInteger* operator^(const BigInteger* val) const;
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BIGINT_API BigInteger* operator&(const BigInteger* val) const;
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BIGINT_API BigInteger* operator|(const BigInteger* val) const;
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BIGINT_API bool operator<(const BigInteger& val) const;
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BIGINT_API bool operator>(const BigInteger& val) const;
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BIGINT_API bool operator<=(const BigInteger& val) const;
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BIGINT_API bool operator>=(const BigInteger& val) const;
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BIGINT_API bool operator==(const BigInteger& val) const;
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BIGINT_API bool operator!=(const BigInteger& val) const;
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BIGINT_API char* toString();
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protected:
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std::vector<BYTE>* data;
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bool sign;
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// Internal functions: manipulate the object they are called on
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void iadd(const BigInteger& val, bool swaptarget);
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void isub(const BigInteger& val, bool swaptarget);
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void imul(const BigInteger& val, bool swaptarget);
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BigInteger* idiv(const BigInteger& val, bool swaptarget);
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void imod(const BigInteger& val, bool swaptarget);
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void ixor(const BigInteger& val, bool swaptarget);
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void iand(const BigInteger& val, bool swaptarget);
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void ior(const BigInteger& val, bool swaptarget);
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void inot();
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void ishl(uint64_t shift);
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void ishr(uint64_t shift);
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void twos_complement();
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void set_bit(size_t index, bool value);
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void cpy(const BigInteger& val, bool withsign);
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char cmp(const BigInteger& other, bool grt) const;
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// Math helper functions
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char shift_mask(int64_t shift, bool left);
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// For sorting and whatnot
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void clip_zeroes();
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size_t highest_set_bit(bool* hasbits) const;
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size_t lowest_set_bit(bool* hasbits) const;
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size_t nth_set_bit(size_t index, bool minfirst, bool* hasbits) const;
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bool is_zero() const;
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}; |