virtual ~Arbint() {}
Arbint(const Arbint & cpy);
- int64_t AsDigit() const
+ int64_t AsDigit() const
{
int64_t digit = (m_digits.size() == 1) ? m_digits[0] : 0x7FFFFFFFFFFFFFFF;
return (m_sign) ? -digit : digit;
a -= add;
return a;
}
+
+ inline Arbint operator-()
+ {
+ Arbint a(*this);
+ a.m_sign = !a.m_sign;
+ return a;
+ }
inline Arbint operator*(const Arbint & mul) const
{
}
bool IsZero() const;
- //inline operator double() const {return double(AsDigit());}
+ inline operator double() const
+ {
+ double acc = 0;
+ for(int i = m_digits.size()-1; i >= 0; --i)
+ {
+ acc += (double)m_digits[i];
+ acc *= (double)UINT64_MAX + 1.0;
+ }
+ if (m_sign) acc *= -1;
+ return acc;
+ }
inline operator int64_t() const {return AsDigit();}
//inline operator int() const {return int(AsDigit());}
unsigned Shrink();
+
+ inline Arbint Abs() const {Arbint a(*this); a.m_sign = false; return a;}
private:
Arbint & AddBasic(const Arbint & add);
};
+
+
extern "C"
{
typedef uint64_t digit_t;
digit_t div_digits(digit_t * dst, digit_t div, digit_t size, digit_t * rem);
}
+
+
}
#endif //_ARBINT_H