rational.h File Reference

Wrapper for GMP types. More...

#include <math.h>
#include <assert.h>
#include <string.h>
#include <iostream>
#include "spxdefines.h"
#include "idlist.h"

Go to the source code of this file.

Classes
class	Rational
	Wrapper for GMP type mpq_class.We wrap mpq_class so that we can replace it by a double type if GMP is not available. More...

Namespaces
namespace	soplex
	Everything should be within this namespace.

Functions
std::string	rationalToString (const Rational &r, const int precision)
	convert rational number to string
bool	readStringRational (const char *s, Rational &value)
	read Rational from string
std::ostream &	operator<< (std::ostream &os, const Rational &r)
	print Rational
int	compareRational (const Rational &r, const Rational &s)
	comparison operator returning a positive value if r > s, zero if r = s, and a negative value if r < s
bool	operator== (const Rational &r, const Rational &s)
	equality operator
bool	operator!= (const Rational &r, const Rational &s)
	inequality operator
bool	operator< (const Rational &r, const Rational &s)
	less than operator
bool	operator<= (const Rational &r, const Rational &s)
	less than or equal to operator
bool	operator> (const Rational &r, const Rational &s)
	greater than operator
bool	operator>= (const Rational &r, const Rational &s)
	greater than or equal to operator
bool	operator== (const Rational &r, const double &s)
	equality operator for Rational and double
bool	operator!= (const Rational &r, const double &s)
	inequality operator for Rational and double
bool	operator< (const Rational &r, const double &s)
	less than operator for Rational and double
bool	operator<= (const Rational &r, const double &s)
	less than or equal to operator for Rational and double
bool	operator> (const Rational &r, const double &s)
	greater than operator for Rational and double
bool	operator>= (const Rational &r, const double &s)
	greater than or equal to operator for Rational and double
bool	operator== (const double &r, const Rational &s)
	equality operator for double and Rational
bool	operator!= (const double &r, const Rational &s)
	inequality operator double and Rational
bool	operator< (const double &r, const Rational &s)
	less than operator double and Rational
bool	operator<= (const double &r, const Rational &s)
	less than or equal to operator double and Rational
bool	operator> (const double &r, const Rational &s)
	greater than operator double and Rational
bool	operator>= (const double &r, const Rational &s)
	greater than or equal to operator double and Rational
bool	operator== (const Rational &r, const long double &s)
	equality operator for Rational and long double
bool	operator!= (const Rational &r, const long double &s)
	inequality operator for Rational and long double
bool	operator< (const Rational &r, const long double &s)
	less than operator for Rational and long double
bool	operator<= (const Rational &r, const long double &s)
	less than or equal to operator for Rational and long double
bool	operator> (const Rational &r, const long double &s)
	greater than operator for Rational and long double
bool	operator>= (const Rational &r, const long double &s)
	greater than or equal to operator for Rational and long double
bool	operator== (const long double &r, const Rational &s)
	equality operator for long double and Rational
bool	operator!= (const long double &r, const Rational &s)
	inequality operator long double and Rational
bool	operator< (const long double &r, const Rational &s)
	less than operator long double and Rational
bool	operator<= (const long double &r, const Rational &s)
	less than or equal to operator long double and Rational
bool	operator> (const long double &r, const Rational &s)
	greater than operator long double and Rational
bool	operator>= (const long double &r, const Rational &s)
	greater than or equal to operator long double and Rational
bool	operator== (const Rational &r, const int &s)
	equality operator for Rational and int
bool	operator!= (const Rational &r, const int &s)
	inequality operator for Rational and int
bool	operator< (const Rational &r, const int &s)
	less than operator for Rational and int
bool	operator<= (const Rational &r, const int &s)
	less than or equal to operator for Rational and int
bool	operator> (const Rational &r, const int &s)
	greater than operator for Rational and int
bool	operator>= (const Rational &r, const int &s)
	greater than or equal to operator for Rational and int
bool	operator== (const int &r, const Rational &s)
	equality operator for int and Rational
bool	operator!= (const int &r, const Rational &s)
	inequality operator for int and Rational
bool	operator< (const int &r, const Rational &s)
	less than operator for int and Rational
bool	operator<= (const int &r, const Rational &s)
	less than or equal to operator for int and Rational
bool	operator> (const int &r, const Rational &s)
	greater than operator for int and Rational
bool	operator>= (const int &r, const Rational &s)
	greater than or equal to operator for int and Rational
Rational	operator+ (const double &d, const Rational &r)
	addition operator for double and Rational
Rational	operator+ (const int &d, const Rational &r)
	addition operator for int and Rational
Rational	spxAbs (const Rational &r)
	Absolute.
int	sign (const Rational &r)
	Sign function; returns 1 if r > 0, 0 if r = 0, and -1 if r < 0.
Rational	operator- (const Rational &r)
	Negation.
int	totalSizeRational (const Rational *vector, const int length, const int base)
	Total size of rational vector.
int	dlcmSizeRational (const Rational *vector, const int length, const int base)
	Size of least common multiple of denominators in rational vector.
int	dmaxSizeRational (const Rational *vector, const int length, const int base)
	Size of largest denominator in rational vector.

Detailed Description

Wrapper for GMP types.

Definition in file rational.h.