Class BigInt

IntegerProgramming/BigInt.h:17–68

#include <gmp.h>

class BigInt
{
    mpz_t value;

    public:

    BigInt( );
    BigInt( int );
    BigInt( const BigInt& );
    ~BigInt( );

    BigInt& operator = ( int );
    BigInt& operator = ( const BigInt& );

    operator bool( );
    operator int( );
    operator short( );

    BigInt  operator - ( );
    BigInt& operator += ( const BigInt& );
    BigInt& operator -= ( const BigInt& );
    BigInt& operator *= ( const BigInt& );
    BigInt& operator /= ( const BigInt& );
    BigInt& operator ++ ( );
    BigInt  operator ++ ( int );
    BigInt& operator -- ( );
    BigInt  operator -- ( int );

    friend BigInt operator - ( const BigInt& );

    friend bool operator <  ( const BigInt&, const BigInt& );
    friend bool operator <= ( const BigInt&, const BigInt& );
    friend bool operator >  ( const BigInt&, const BigInt& );
    friend bool operator >= ( const BigInt&, const BigInt& );
    friend bool operator == ( const BigInt&, const BigInt& );
    friend bool operator != ( const BigInt&, const BigInt& );
    friend bool operator <  ( const int&, const BigInt& );
    friend bool operator <= ( const int&, const BigInt& );
    friend bool operator >  ( const int&, const BigInt& );
    friend bool operator >= ( const int&, const BigInt& );
    friend bool operator == ( const int&, const BigInt& );
    friend bool operator != ( const int&, const BigInt& );
    friend bool operator <  ( const BigInt&, const int& );
    friend bool operator <= ( const BigInt&, const int& );
    friend bool operator >  ( const BigInt&, const int& );
    friend bool operator >= ( const BigInt&, const int& );
    friend bool operator == ( const BigInt&, const int& );
    friend bool operator != ( const BigInt&, const int& );

    friend int    sgn ( const BigInt& );
    friend BigInt abs ( const BigInt& );
};

BigInt operator + ( const BigInt&, const BigInt& );
BigInt operator - ( const BigInt&, const BigInt& );