SPAR/AIModule/BWTA/vendors/CGAL/CGAL/CORE/Real.h File Reference

#include "RealRep.h"

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Classes
class	Real
struct	_real_add
struct	_real_sub
struct	_real_mul
struct	_real_binary_op< Op >
struct	real_div
Defines
#define	CORE_REAL_ZERO   Real::getZero()
Typedefs
typedef _real_binary_op < _real_add >	real_add
typedef _real_binary_op < _real_sub >	real_sub
typedef _real_binary_op < _real_mul >	real_mul
Functions
std::istream &	operator>> (std::istream &i, Real &r)
std::ostream &	operator<< (std::ostream &o, const Real &r)
Real	operator+ (const Real &x, const Real &y)
Real	operator- (const Real &x, const Real &y)
Real	operator* (const Real &x, const Real &y)
Real	operator/ (const Real &x, const Real &y)
int	cmp (const Real &x, const Real &y)
bool	operator== (const Real &x, const Real &y)
bool	operator!= (const Real &x, const Real &y)
bool	operator>= (const Real &x, const Real &y)
bool	operator> (const Real &x, const Real &y)
bool	operator<= (const Real &x, const Real &y)
bool	operator< (const Real &x, const Real &y)
BigInt	floor (const Real &, Real &)
	floor function
Real	pow (const Real &, unsigned long)
	power function
int	sign (const Real &r)
	return sign
bool	isZero (const Real &r)
	is zero?
Real	abs (const Real &x)
	absolute value
Real	fabs (const Real &x)
	absolute value (same as abs)
BigInt	floor (const Real &r)
	floor
BigInt	ceil (const Real &r)
	ceiling
Real	power (const Real &r, unsigned long p)
	power
Real	sqrt (const Real &x)
	square root
Variables
CORE_BEGIN_NAMESPACE typedef RCImpl< RealRep >	RCReal
const long	halfLongMax = LONG_MAX /2
const long	halfLongMin = LONG_MIN /2

---

Define Documentation

#define CORE_REAL_ZERO   Real::getZero()

---

Typedef Documentation

typedef _real_binary_op<_real_add> real_add

typedef _real_binary_op<_real_mul> real_mul

typedef _real_binary_op<_real_sub> real_sub

---

Function Documentation

Real abs

(

const Real &

x

)

[inline]

absolute value

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BigInt ceil

(

const Real &

r

)

[inline]

ceiling

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int cmp	(	const Real &	x,
		const Real &	y
	)		[inline]

Real fabs

(

const Real &

x

)

[inline]

absolute value (same as abs)

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BigInt floor	(	const Real &	,
		Real &
	)

floor function

BigInt floor

(

const Real &

r

)

[inline]

floor

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bool isZero

(

const Real &

r

)

[inline]

is zero?

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bool operator!=	(	const Real &	x,
		const Real &	y
	)		[inline]

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Real operator*	(	const Real &	x,
		const Real &	y
	)		[inline]

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Real operator+	(	const Real &	x,
		const Real &	y
	)		[inline]

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Real operator-	(	const Real &	x,
		const Real &	y
	)		[inline]

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Real operator/	(	const Real &	x,
		const Real &	y
	)		[inline]

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bool operator<	(	const Real &	x,
		const Real &	y
	)		[inline]

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std::ostream& operator<<	(	std::ostream &	o,
		const Real &	r
	)		[inline]

bool operator<=	(	const Real &	x,
		const Real &	y
	)		[inline]

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bool operator==	(	const Real &	x,
		const Real &	y
	)		[inline]

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bool operator>	(	const Real &	x,
		const Real &	y
	)		[inline]

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bool operator>=	(	const Real &	x,
		const Real &	y
	)		[inline]

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std::istream& operator>>	(	std::istream &	i,
		Real &	r
	)

Real pow	(	const Real &	,
		unsigned	long
	)

power function

Real power	(	const Real &	r,
		unsigned long	p
	)		[inline]

power

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int sign

(

const Real &

r

)

[inline]

return sign

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Real sqrt

(

const Real &

x

)

[inline]

square root

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---

Variable Documentation

const long halfLongMax = LONG_MAX /2

const long halfLongMin = LONG_MIN /2

CORE_BEGIN_NAMESPACE typedef RCImpl<RealRep> RCReal