BIG SIGNED INTEGER

#ifndef BIGINT_INC
#define BIGINT_INC


#include <assert.h>
#include <iostream>
#include <list>

#ifndef MAX
#define MAX(a,b) ((a>b)?a:b)
#endif

#ifndef MIN
#define MIN(a,b) ((a<b)?a:b)
#endif


class BigInt
{
public:
	typedef unsigned char Byte;

	BigInt();
	~BigInt();
	BigInt(const BigInt & br);
	BigInt(unsigned int i);

	void operator = (const BigInt & br);
	void operator = (unsigned int i);
	void operator = (int i);

	BigInt operator * (const BigInt & br)const;
	BigInt operator * (unsigned int i)const;
	BigInt operator * (Byte b)const;
	BigInt operator + (unsigned int i)const;
	BigInt operator + (const BigInt & br)const;
	BigInt operator - (const BigInt & br)const;
	BigInt operator - ()const;

	BigInt operator << (unsigned int i) const;

	void operator *= (const BigInt & br);
	void operator *= (unsigned int i);
	void operator += (const BigInt & br);
	void operator += (unsigned int i);
	void operator -= (const BigInt & br);
	void operator -= (unsigned int i);
	
	void operator /= (const BigInt & br);
	void operator ++ ();
	void operator -- ();

	bool operator ==(const BigInt & br)const;
	bool operator !=(const BigInt & br)const;
	bool operator <(const BigInt & br)const;
	bool operator >(const BigInt & br)const;
	bool operator <=(const BigInt & br)const;
	bool operator >=(const BigInt & br)const;

	static void div(BigInt & q, BigInt & r, const BigInt & f, const BigInt & d);
	static BigInt gcd(BigInt & a, BigInt & b);

	void print(std::ostream & out)const;

	double to_double() const;

	static void test();
private:
	
	std::list<Byte> data_;
	bool positiv_;
};
inline std::ostream & operator << (std::ostream & out, const BigInt & bi){
	bi.print(out);
	return out;
}
#endif

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