itkMath.h File Reference

#include "itkIntTypes.h"
#include "itkMathDetail.h"
#include "itkConceptChecking.h"
#include "itkNumericTraits.h"

Include dependency graph for itkMath.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	itk::Math::Detail::AlmostEqualsFloatVsFloat
struct	itk::Math::Detail::AlmostEqualsFloatVsInteger
struct	itk::Math::Detail::AlmostEqualsFunctionSelector< TInput1IsIntger, TInput1IsSigned, TInput2IsInteger, TInput2IsSigned >
struct	itk::Math::Detail::AlmostEqualsIntegerVsFloat
struct	itk::Math::Detail::AlmostEqualsPlainOldEquals
struct	itk::Math::Detail::AlmostEqualsSignedVsUnsigned
struct	itk::Math::Detail::AlmostEqualsUnsignedVsSigned

Namespaces
	itk
	itk::Math
	itk::Math::Detail

Macros
#define	itkTemplateFloatingToIntegerMacro(name)

Functions
template<typename T1 , typename T2 >
bool	itk::Math::AlmostEquals (T1 x1, T2 x2)
template<typename TReturn , typename TInput >
TReturn	itk::Math::CastWithRangeCheck (TInput x)
template<TReturn , typename TInput >
	itk::Math::Ceil (TInput x)
template<typename TInput1 , typename TInput2 >
bool	itk::Math::ExactlyEquals (const TInput1 &x1, const TInput2 &x2)
template<typename T >
bool	itk::Math::FloatAlmostEqual (T x1, T x2, typename Detail::FloatIEEE< T >::IntType maxUlps=4, typename Detail::FloatIEEE< T >::FloatType maxAbsoluteDifference=0.1 *itk::NumericTraits< T >::epsilon())
template<typename T >
Detail::FloatIEEE< T >::IntType	itk::Math::FloatDifferenceULP (T x1, T x2)
template<TReturn , typename TInput >
	itk::Math::Floor (TInput x)
template<typename T1 , typename T2 >
bool	itk::Math::NotAlmostEquals (T1 x1, T2 x2)
template<typename TInput1 , typename TInput2 >
bool	itk::Math::NotExactlyEquals (const TInput1 &x1, const TInput2 &x2)
template<typename TReturn , typename TInput >
TReturn	itk::Math::Round (TInput x)
template<TReturn , typename TInput >
	itk::Math::RoundHalfIntegerToEven (TInput x)
template<TReturn , typename TInput >
	itk::Math::RoundHalfIntegerUp (TInput x)
ITKCommon_EXPORT bool	itk::Math::IsPrime (unsigned short n)
ITKCommon_EXPORT bool	itk::Math::IsPrime (unsigned int n)
ITKCommon_EXPORT bool	itk::Math::IsPrime (unsigned long n)
ITKCommon_EXPORT bool	itk::Math::IsPrime (unsigned long long n)
ITKCommon_EXPORT unsigned short	itk::Math::GreatestPrimeFactor (unsigned short n)
ITKCommon_EXPORT unsigned int	itk::Math::GreatestPrimeFactor (unsigned int n)
ITKCommon_EXPORT unsigned long	itk::Math::GreatestPrimeFactor (unsigned long n)
ITKCommon_EXPORT unsigned long long	itk::Math::GreatestPrimeFactor (unsigned long long n)

Variables
static const double	itk::Math::e = 2.7182818284590452354
static const double	itk::Math::ln10 = 2.30258509299404568402
static const double	itk::Math::ln2 = 0.69314718055994530942
static const double	itk::Math::log10e = 0.43429448190325182765
static const double	itk::Math::log2e = 1.4426950408889634074
static const double	itk::Math::one_over_pi = 0.31830988618379067154
static const double	itk::Math::one_over_sqrt2pi = 0.39894228040143267794
static const double	itk::Math::pi = 3.14159265358979323846
static const double	itk::Math::pi_over_2 = 1.57079632679489661923
static const double	itk::Math::pi_over_4 = 0.78539816339744830962
static const double	itk::Math::sqrt1_2 = 0.70710678118654752440
static const double	itk::Math::sqrt2 = 1.41421356237309504880
static const double	itk::Math::two_over_pi = 0.63661977236758134308
static const double	itk::Math::two_over_sqrtpi = 1.12837916709551257390

Macro Definition Documentation

#define itkTemplateFloatingToIntegerMacro

(

name

)

Value:

template< typename TReturn, typename TInput >                                     \
  inline TReturn name(TInput x)                                                     \
    {                                                                               \
                                                                                    \
    if ( sizeof( TReturn ) <= 4 )                                                   \
      {                                                                             \
      return static_cast< TReturn >( Detail::name##_32(x) );                        \
      }                                                                             \
    else if ( sizeof( TReturn ) <= 8 )                                              \
      {                                                                             \
      return static_cast< TReturn >( Detail::name##_64(x) );                        \
      }                                                                             \
    else                                                                            \
      {                                                                             \
      return static_cast< TReturn >( Detail::name##_base< TReturn, TInput >(x) );   \
      }                                                                             \
    }

A useful macro to generate a template floating point to integer conversion templated on the return type and using either the 32 bit, the 64 bit or the vanilla version

Definition at line 78 of file itkMath.h.