Class BigInteger

src/common/BigInteger.h:39–76

namespace Firebird {

class BigInteger
{
public:
	BigInteger();
	explicit BigInteger(const char* text, unsigned int radix = 16u);
	BigInteger(unsigned int count, const unsigned char* bytes);
	explicit BigInteger(const Firebird::UCharBuffer& val);
	BigInteger(const BigInteger& val);
//	BigInteger(int numBits, Random& r);
	~BigInteger();

	BigInteger& operator= (const BigInteger& val);
	void random(int numBytes);
	void assign(unsigned int count, const unsigned char* bytes);

	BigInteger operator+ (const BigInteger& val) const;
	BigInteger operator- (const BigInteger& val) const;
	BigInteger operator* (const BigInteger& val) const;
	BigInteger operator/ (const BigInteger& val) const;
	BigInteger operator% (const BigInteger& val) const;

	BigInteger& operator+= (const BigInteger& val);
	BigInteger& operator-= (const BigInteger& val);
	BigInteger& operator*= (const BigInteger& val);
	BigInteger& operator/= (const BigInteger& val);
	BigInteger& operator%= (const BigInteger& val);

	bool operator== (const BigInteger& val) const;

	void getBytes(Firebird::UCharBuffer& bytes) const;
	unsigned int length() const;
	void getText(Firebird::string& str, unsigned int radix = 16u) const;

	BigInteger modPow(const BigInteger& pow, const BigInteger& mod) const;

private:
	mp_int t;
};

} // namespace Firebird