130 lines
3.2 KiB
C++
130 lines
3.2 KiB
C++
/*
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Copyright 2008 Intel Corporation
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Use, modification and distribution are subject to the Boost Software License,
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Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt).
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*/
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#ifndef BOOST_POLYGON_GMP_OVERRIDE_HPP
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#define BOOST_POLYGON_GMP_OVERRIDE_HPP
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#include <gmpxx.h>
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namespace boost { namespace polygon {
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class gmp_int {
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private:
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inline gmp_int(const mpq_class& input) : v_(input) {}
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public:
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inline gmp_int() {}
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explicit inline gmp_int(long input) : v_(input) {}
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inline gmp_int(const gmp_int& input) : v_(input.v_) {}
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inline gmp_int& operator=(const gmp_int& that) {
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v_ = that.v_;
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return (*this);
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}
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inline gmp_int& operator=(long that) {
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v_ = that;
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return (*this);
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}
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inline operator int() const {
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std::cout << "cast\n";
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mpz_class num = v_.get_num();
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mpz_class den = v_.get_den();
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num /= den;
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return num.get_si();
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}
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inline double get_d() const {
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return v_.get_d();
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}
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inline int get_num() const {
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return v_.get_num().get_si();
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}
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inline int get_den() const {
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return v_.get_den().get_si();
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}
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inline bool operator==(const gmp_int& that) const {
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return v_ == that.v_;
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}
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inline bool operator!=(const gmp_int& that) const {
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return v_ != that.v_;
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}
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inline bool operator<(const gmp_int& that) const {
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bool retval = v_ < that.v_;
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return retval;
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}
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inline bool operator<=(const gmp_int& that) const {
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return v_ <= that.v_;
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}
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inline bool operator>(const gmp_int& that) const {
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return v_ > that.v_;
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}
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inline bool operator>=(const gmp_int& that) const {
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return v_ >= that.v_;
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}
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inline gmp_int operator+(const gmp_int& b) {
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return gmp_int((*this).v_ + b.v_);
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}
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inline gmp_int operator-(const gmp_int& b) {
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return gmp_int((*this).v_ - b.v_);
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}
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inline gmp_int operator*(const gmp_int& b) {
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return gmp_int((*this).v_ * b.v_);
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}
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inline gmp_int operator/(const gmp_int& b) {
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return gmp_int((*this).v_ / b.v_);
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}
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inline gmp_int& operator+=(const gmp_int& b) {
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(*this).v_ += b.v_;
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return (*this);
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}
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inline gmp_int& operator-=(const gmp_int& b) {
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(*this).v_ -= b.v_;
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return (*this);
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}
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inline gmp_int& operator*=(const gmp_int& b) {
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(*this).v_ *= b.v_;
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return (*this);
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}
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inline gmp_int& operator/=(const gmp_int& b) {
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(*this).v_ /= b.v_;
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return (*this);
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}
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inline gmp_int& operator++() {
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++v_;
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return (*this);
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}
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inline gmp_int& operator--() {
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--v_;
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return (*this);
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}
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inline gmp_int operator++(int) {
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gmp_int retval(*this);
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++(*this);
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return retval;
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}
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inline gmp_int operator--(int) {
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gmp_int retval(*this);
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--(*this);
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return retval;
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}
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private:
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mpq_class v_;
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};
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template <>
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struct high_precision_type<int> {
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typedef mpq_class type;
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};
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template <>
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int convert_high_precision_type<int>(const mpq_class& v) {
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mpz_class num = v.get_num();
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mpz_class den = v.get_den();
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num /= den;
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return num.get_si();
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};
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}
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}
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//==
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#endif
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