FloatComparison.h File Reference

#include <SDL_stdinc.h>
#include <limits>
#include <cmath>

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Classes
struct	IEEEFloatTraits< T >
struct	IEEEFloatTraits< double >
union	IEEEFloatTraits< double >::FloatOrInt
struct	IEEEFloatTraits< float >
union	IEEEFloatTraits< float >::FloatOrInt

Functions
template<typename T >
IEEEFloatTraits< T >::float_type	float_abs (T x)
template<typename T >
IEEEFloatTraits< T >::float_type	float_max (T x, T y)
template<typename T >
IEEEFloatTraits< T >::float_type	float_max (T x, T y, T z)
template<typename T >
IEEEFloatTraits< T >::bool_type	is_nan_bits (const typename IEEEFloatTraits< T >::uint_type &bits)
template<typename T >
IEEEFloatTraits< T >::bool_type	is_finite_bits (const typename IEEEFloatTraits< T >::uint_type &bits)
template<typename T >
IEEEFloatTraits< T >::bool_type	is_finite (T x)
bool	is_equal_exact (float a, float b)
bool	is_equal_exact (double a, double b)
bool	is_zero_exact (float x)
bool	is_zero_exact (double x)
bool	is_nan (float x)
bool	is_nan (double x)
template<typename T >
IEEEFloatTraits< T >::bool_type	is_equal_relative (T a, T b, T tol=IEEEFloatTraits< T >::DefaultRelTolerance())
template<typename T >
IEEEFloatTraits< T >::bool_type	is_equal_absolute (T a, T b, T tol=IEEEFloatTraits< T >::DefaultAbsTolerance())
template<typename T >
IEEEFloatTraits< T >::bool_type	is_equal_general (T a, T b, T rel_tol, T abs_tol)
template<typename T >
IEEEFloatTraits< T >::bool_type	is_equal_general (T a, T b, T tol=IEEEFloatTraits< T >::DefaultTolerance())
template<typename T >
IEEEFloatTraits< T >::bool_type	is_zero_general (T x, T tol=IEEEFloatTraits< T >::DefaultRelTolerance())
template<typename T >
IEEEFloatTraits< T >::int_type	float_ulp_difference (T a, T b)
template<typename T >
IEEEFloatTraits< T >::bool_type	is_equal_ulps (T a, T b, typename IEEEFloatTraits< T >::int_type max_ulps=IEEEFloatTraits< T >::DefaultUlpTolerance)

Function Documentation

float_abs()

template<typename T >

IEEEFloatTraits< T >::float_type float_abs ( T  x )

inline

float_max() [1/2]

template<typename T >

IEEEFloatTraits< T >::float_type float_max ( T  x, T  y  )

inline

float_max() [2/2]

template<typename T >

IEEEFloatTraits< T >::float_type float_max ( T  x, T  y, T  z  )

inline

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float_ulp_difference()

template<typename T >

IEEEFloatTraits< T >::int_type float_ulp_difference ( T  a, T  b  )

inline

is_equal_absolute()

template<typename T >

IEEEFloatTraits< T >::bool_type is_equal_absolute ( T  a, T  b, T  tol = IEEEFloatTraits<T>::DefaultAbsTolerance()  )

inline

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is_equal_exact() [1/2]

bool is_equal_exact ( double  a, double  b  )

inline

is_equal_exact() [2/2]

bool is_equal_exact ( float  a, float  b  )

inline

is_equal_general() [1/2]

template<typename T >

IEEEFloatTraits< T >::bool_type is_equal_general ( T  a, T  b, T  rel_tol, T  abs_tol  )

inline

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is_equal_general() [2/2]

template<typename T >

IEEEFloatTraits< T >::bool_type is_equal_general ( T  a, T  b, T  tol = IEEEFloatTraits<T>::DefaultTolerance()  )

inline

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is_equal_relative()

template<typename T >

IEEEFloatTraits< T >::bool_type is_equal_relative ( T  a, T  b, T  tol = IEEEFloatTraits<T>::DefaultRelTolerance()  )

inline

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is_equal_ulps()

template<typename T >

IEEEFloatTraits< T >::bool_type is_equal_ulps ( T  a, T  b, typename IEEEFloatTraits< T >::int_type  max_ulps = IEEEFloatTraits<T>::DefaultUlpTolerance  )

inline

is_finite()

template<typename T >

IEEEFloatTraits< T >::bool_type is_finite ( T  x )

inline

is_finite_bits()

template<typename T >

IEEEFloatTraits< T >::bool_type is_finite_bits ( const typename IEEEFloatTraits< T >::uint_type &  bits )

inline

is_nan() [1/2]

bool is_nan ( double  x )

inline

is_nan() [2/2]

bool is_nan ( float  x )

inline

is_nan_bits()

template<typename T >

IEEEFloatTraits< T >::bool_type is_nan_bits ( const typename IEEEFloatTraits< T >::uint_type &  bits )

inline

is_zero_exact() [1/2]

bool is_zero_exact ( double  x )

inline

is_zero_exact() [2/2]

bool is_zero_exact ( float  x )

inline

is_zero_general()

template<typename T >

IEEEFloatTraits< T >::bool_type is_zero_general ( T  x, T  tol = IEEEFloatTraits<T>::DefaultRelTolerance()  )

inline

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