/usr/include/ITK-4.9/itkNumericTraits.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkNumericTraits_h
#define itkNumericTraits_h
#include "itkMacro.h"
#undef min
#undef max
#define itkNUMERIC_TRAITS_MIN_MAX_MACRO() \
static ValueType min() \
{ \
return std::numeric_limits< ValueType >::min(); \
} \
static ValueType max() \
{ \
return std::numeric_limits< ValueType >::max(); \
} \
static ValueType min(ValueType) \
{ \
return std::numeric_limits< ValueType >::min(); \
} \
static ValueType max(ValueType) \
{ \
return std::numeric_limits< ValueType >::max(); \
} \
#include "vcl_limits.h" // for std::numeric_limits
#include <complex>
namespace itk
{
// forward decare to avoid circular dependencies
template< typename TValue, unsigned int VLength> class FixedArray;
/** \class NumericTraits
* \brief Define additional traits for native types such as int or float.
*
* NumericTraits is used to extend the traits associated with native types
* such as float, char, int, and so on. These traits are extensions of the
* standard numeric_limits defined by the C++ compilers. Some of the added
* traits include minimum and maximum value; accumulation type; etc.
*
* \ingroup DataRepresentation
* \ingroup ITKCommon
*
* \wiki
* \wikiexample{SimpleOperations/NumericTraits,Get some basic information about a type}
* \endwiki
*/
template< typename T >
class NumericTraits:public std::numeric_limits< T >
{
public:
/** The type of this limits trait object. */
typedef std::numeric_limits< T > TraitsType;
/** Return the type of this native type. */
typedef T ValueType;
/** Return the type that can be printed. */
typedef T PrintType;
/** Return value of std::abs(). */
typedef T AbsType;
/** Accumulation of addition and multiplication. */
typedef double AccumulateType;
/** Measurement vector type */
typedef FixedArray<ValueType, 1> MeasurementVectorType;
/** Typedef for operations that use floating point instead of real precision
* to save memory */
typedef float FloatType;
/** Type for real-valued scalar operations. */
typedef double RealType;
/** Type for real-valued scalar operations. */
typedef RealType ScalarRealType;
/** Additive identity. */
static const T Zero;
/** Multiplicative identity. */
static const T One;
/** Smallest (most nonpositive) value */
static T NonpositiveMin() { return TraitsType::min(); }
/** Is a given value positive? */
static bool IsPositive(T val) { return val > Zero; }
/** Is a given value nonpositive? */
static bool IsNonpositive(T val) { return val <= Zero; }
/** Is a given value negative? */
static bool IsNegative(T val) { return val < Zero; }
/** Is a given value nonnegative? */
static bool IsNonnegative(T val) { return val >= Zero; }
/** Is a given type signed? -- default is no.
For uniform array data types in ITK, the value of IsSigned
is determined by the component elements of the array.*/
static const bool IsSigned = false;
/** Is a given type an integer? -- default is no.
For uniform array data types in ITK, the value of IsInteger
is determined by the component elements of the array.*/
static const bool IsInteger = false;
/** Is a given type complex? -- default is no.
For uniform array data types in ITK, the value of IsComplex
is determined by the component elements of the array.*/
static const bool IsComplex = false;
/** Return zero value. This function should be used to support
* RGBPixel type and standard types (not vectors) */
static T ZeroValue() { return Zero; }
/** Return one value. This function should be used to support
* RGBPixel type and standard types (not vectors) */
static T OneValue() { return One; }
/* Provide a default implementation of the max() method with
* argument. This API is needed for VariableLengthVector because
* its length is only known at run-time. Specializations of the
* VariableLengthVector will provide a different implementation
* where a vector of the correct size is built. */
static T max(const T &) { return TraitsType::max(); }
static T min(const T &) { return TraitsType::min(); }
/** Scalars cannot be resized, so an exception will
* be thrown if the input size is not 1. If the size is valid
* the will be zeros. This API is needed for VariableLengthVector because
* its length is only known at run-time. Specializations of the
* VariableLengthVector will provide a different implementation
* where a vector of the correct size is built.
*/
static void SetLength(T & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
/** Return the length of the scalar. This API is needed for
* VariableLengthVector because
* its length is only known at run-time. Specializations of the
* VariableLengthVector will provide a different implementation
* where a vector of the correct size is built.
*/
static unsigned int GetLength(const T &)
{
return GetLength();
}
/** Return the length of the scalar: 1. Array types can return a different value */
static unsigned int GetLength()
{
return 1;
}
/** Smallest (most nonpositive) value. This API is needed for
* VariableLengthVector because its length is only known at run-time.
*/
static T NonpositiveMin(const T &)
{
return NonpositiveMin();
}
/** Zero value. This API is needed for
* VariableLengthVector because its length is only known at run-time.
*/
static T ZeroValue(const T &)
{
return ZeroValue();
}
/** One value. This API is needed for
* VariableLengthVector because its length is only known at run-time.
*/
static T OneValue(const T &)
{
return OneValue();
}
/** assign the value to an array */
template<typename TArray>
static void AssignToArray( const T & v, TArray & mv )
{
mv[0] = v;
}
};
/// \cond HIDE_SPECIALIZATION_DOCUMENTATION
/** \class NumericTraits<bool>
* \brief Define traits for type bool.
*
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< bool > :public std::numeric_limits< bool >
{
public:
typedef bool ValueType;
typedef bool PrintType;
typedef unsigned char AbsType;
typedef unsigned char AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const bool ITKCommon_EXPORT Zero;
static const bool ITKCommon_EXPORT One;
static bool min() { return false; }
static bool max() { return true; }
static bool min(bool) { return min(); }
static bool max(bool) { return max(); }
static bool NonpositiveMin() { return false; }
static bool IsPositive(bool val) { return val; }
static bool IsNonpositive(bool val) { return !val; }
static bool IsNegative(bool val) { return val ? false : false; }
static bool IsNonnegative(bool val) { return val ? true : true; }
static const bool IsSigned = false;
static const bool IsInteger = true;
static const bool IsComplex = false;
static bool ZeroValue() { return Zero; }
static bool OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<char>
* \brief Define traits for type char.
* NOTE: char is not guaranteed to be signed. On SGI computers, the default is unsigned
* \ingroup ITKCommon
*/
template< >
class NumericTraits< char > :public std::numeric_limits< char >
{
public:
typedef char ValueType;
typedef int PrintType;
typedef unsigned char AbsType;
typedef short AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const char ITKCommon_EXPORT Zero;
static const char ITKCommon_EXPORT One;
static char min() { return char(255) < char(0) ? char(-128) : char(0); }
static char max() { return char(255) < char(0) ? char(127) : char(255); }
static char min(char) { return min(); }
static char max(char) { return max(); }
static char NonpositiveMin() { return min(); }
static bool IsPositive(char val) { return val > Zero; }
static bool IsNonpositive(char val) { return val <= Zero; }
// char on PowerPC, for example, is not signed
#if VCL_CHAR_IS_SIGNED
static bool IsNegative(char val) { return val < Zero; }
static bool IsNonnegative(char val) { return val >= Zero; }
static const bool IsSigned = true;
#else
static bool IsNegative(char) { return false; }
static bool IsNonnegative(char) { return true; }
static const bool IsSigned = false;
#endif
static const bool IsInteger = true;
static const bool IsComplex = false;
static char ZeroValue() { return Zero; }
static char OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<char>
* \brief Define traits for type char.
* NOTE: char is not guaranteed to be signed. On SGI computers, the default is unsigned
* \ingroup ITKCommon
*/
template< >
class NumericTraits< signed char > :public std::numeric_limits< signed char >
{
public:
typedef signed char ValueType;
typedef int PrintType;
typedef unsigned char AbsType;
typedef short AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const signed char ITKCommon_EXPORT Zero;
static const signed char ITKCommon_EXPORT One;
static signed char min() { return -128; }
static signed char max() { return 127; }
static signed char min(signed char) { return min(); }
static signed char max(signed char) { return max(); }
static signed char NonpositiveMin() { return min(); }
static bool IsPositive(signed char val) { return val > Zero; }
static bool IsNonpositive(signed char val) { return val <= Zero; }
static bool IsNegative(signed char val) { return val < Zero; }
static bool IsNonnegative(signed char val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = true;
static const bool IsComplex = false;
static signed char ZeroValue() { return Zero; }
static signed char OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<unsigned char>
* \brief Define traits for type unsigned char.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< unsigned char > :public std::numeric_limits< unsigned char >
{
public:
typedef unsigned char ValueType;
typedef int PrintType;
typedef unsigned char AbsType;
typedef unsigned short AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const unsigned char ITKCommon_EXPORT Zero;
static const unsigned char ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static unsigned char NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(unsigned char val) { return val != Zero; }
static bool IsNonpositive(unsigned char val) { return val == Zero; }
static bool IsNegative(unsigned char val) { return val ? false : false; }
static bool IsNonnegative(unsigned char val) { return val ? true : true; }
static const bool IsSigned = false;
static const bool IsInteger = true;
static const bool IsComplex = false;
static unsigned char ZeroValue() { return Zero; }
static unsigned char OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<short>
* \brief Define traits for type short.
* \ingroup ITKCommon
*/
template< >
class NumericTraits< short > :public std::numeric_limits< short >
{
public:
typedef short ValueType;
typedef short PrintType;
typedef unsigned short AbsType;
typedef int AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const short ITKCommon_EXPORT Zero;
static const short ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static short NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(short val) { return val > Zero; }
static bool IsNonpositive(short val) { return val <= Zero; }
static bool IsNegative(short val) { return val < Zero; }
static bool IsNonnegative(short val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = true;
static const bool IsComplex = false;
static short ZeroValue() { return Zero; }
static short OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<unsigned short>
* \brief Define traits for type unsigned short.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< unsigned short > :public std::numeric_limits< unsigned short >
{
public:
typedef unsigned short ValueType;
typedef unsigned short PrintType;
typedef unsigned short AbsType;
typedef unsigned int AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const unsigned short ITKCommon_EXPORT Zero;
static const unsigned short ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static unsigned short NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(unsigned short val) { return val != Zero; }
static bool IsNonpositive(unsigned short val) { return val == Zero; }
static bool IsNegative(unsigned short val) { return val ? false : false; }
static bool IsNonnegative(unsigned short val) { return val ? true : true; }
static const bool IsSigned = false;
static const bool IsInteger = true;
static const bool IsComplex = false;
static unsigned short ZeroValue() { return Zero; }
static unsigned short OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<int>
* \brief Define traits for type int.
* \ingroup ITKCommon
*/
template< >
class NumericTraits< int > :public std::numeric_limits< int >
{
public:
typedef int ValueType;
typedef int PrintType;
typedef unsigned int AbsType;
typedef long AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const int ITKCommon_EXPORT Zero;
static const int ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static int NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(int val) { return val > Zero; }
static bool IsNonpositive(int val) { return val <= Zero; }
static bool IsNegative(int val) { return val < Zero; }
static bool IsNonnegative(int val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = true;
static const bool IsComplex = false;
static int ZeroValue() { return Zero; }
static int OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<unsigned int>
* \brief Define traits for type unsigned int.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< unsigned int > :public std::numeric_limits< unsigned int >
{
public:
typedef unsigned int ValueType;
typedef unsigned int PrintType;
typedef unsigned int AbsType;
typedef unsigned int AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const unsigned int ITKCommon_EXPORT Zero;
static const unsigned int ITKCommon_EXPORT One;
static unsigned int min(void) { return 0; }
static unsigned int max(void) { return static_cast< unsigned int >( -1 ); }
static unsigned int min(unsigned int) { return std::numeric_limits< ValueType >::min(); }
static unsigned int max(unsigned int) { return std::numeric_limits< ValueType >::max(); }
static unsigned int NonpositiveMin() { return 0; }
static bool IsPositive(unsigned int val) { return val != Zero; }
static bool IsNonpositive(unsigned int val) { return val == Zero; }
static bool IsNegative(unsigned int val) { return val ? false : false; }
static bool IsNonnegative(unsigned int val) { return val ? true : true; }
static const bool IsSigned = false;
static const bool IsInteger = true;
static const bool IsComplex = false;
static unsigned int ZeroValue() { return Zero; }
static unsigned int OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<long>
* \brief Define traits for type long.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< long > :public std::numeric_limits< long >
{
public:
typedef long ValueType;
typedef long PrintType;
typedef unsigned long AbsType;
typedef long AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const long ITKCommon_EXPORT Zero;
static const long ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static long NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(long val) { return val > Zero; }
static bool IsNonpositive(long val) { return val <= Zero; }
static bool IsNegative(long val) { return val < Zero; }
static bool IsNonnegative(long val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = true;
static const bool IsComplex = false;
static long ZeroValue() { return Zero; }
static long OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<unsigned long>
* \brief Define traits for type unsigned long.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< unsigned long > :public std::numeric_limits< unsigned long >
{
public:
typedef unsigned long ValueType;
typedef unsigned long PrintType;
typedef unsigned long AbsType;
typedef unsigned long AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const unsigned long ITKCommon_EXPORT Zero;
static const unsigned long ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static unsigned long NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(unsigned long val) { return val != Zero; }
static bool IsNonpositive(unsigned long val) { return val == Zero; }
static bool IsNegative(unsigned long) { return false; }
static bool IsNonnegative(unsigned long) { return true; }
static const bool IsSigned = false;
static const bool IsInteger = true;
static const bool IsComplex = false;
static unsigned long ZeroValue() { return Zero; }
static unsigned long OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<float>
* \brief Define traits for type float.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< float > :public std::numeric_limits< float >
{
public:
typedef float ValueType;
typedef float PrintType;
typedef float AbsType;
typedef double AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const float ITKCommon_EXPORT Zero;
static const float ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static float NonpositiveMin() { return -std::numeric_limits< ValueType >::max(); }
static bool IsPositive(float val) { return val > Zero; }
static bool IsNonpositive(float val) { return val <= Zero; }
static bool IsNegative(float val) { return val < Zero; }
static bool IsNonnegative(float val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = false;
static const bool IsComplex = false;
static float ZeroValue() { return Zero; }
static float OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<double>
* \brief Define traits for type double.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< double > :public std::numeric_limits< double >
{
public:
typedef double ValueType;
typedef double PrintType;
typedef double AbsType;
typedef double AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const double ITKCommon_EXPORT Zero;
static const double ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static double NonpositiveMin() { return -std::numeric_limits< ValueType >::max(); }
static bool IsPositive(double val) { return val > Zero; }
static bool IsNonpositive(double val) { return val <= Zero; }
static bool IsNegative(double val) { return val < Zero; }
static bool IsNonnegative(double val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = false;
static const bool IsComplex = false;
static double ZeroValue() { return Zero; }
static double OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<long double>
* \brief Define traits for type long double.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< long double > :public std::numeric_limits< long double >
{
public:
typedef long double ValueType;
#if defined( __SUNPRO_CC ) && defined( _ILP32 )
// sun studio in 32 bit mode is unable to print long double values: it
// segfaults.
// conversion to double will give usable results if the value is in the double
// range - better than nothing.
typedef double PrintType;
#else
typedef long double PrintType;
#endif
typedef long double AbsType;
typedef long double AccumulateType;
typedef long double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const long double ITKCommon_EXPORT Zero;
static const long double ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static long double NonpositiveMin() { return -std::numeric_limits< ValueType >::max(); }
static bool IsPositive(long double val) { return val > Zero; }
static bool IsNonpositive(long double val) { return val <= Zero; }
static bool IsNegative(long double val) { return val < Zero; }
static bool IsNonnegative(long double val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = false;
static const bool IsComplex = false;
static long double ZeroValue() { return Zero; }
static long double OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<char> >
* \brief Define traits for type std::complex<char>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< char > >
{
public:
typedef std::complex< char > Self;
// for backward compatibility
typedef Self TheType;
typedef char ValueType;
typedef std::complex< int > PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<char, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() <= 0; }
// char on PowerPC, for example, is not signed
#if VCL_CHAR_IS_SIGNED
static bool IsNegative(Self val) { return val.real() < 0; }
static bool IsNonnegative(Self val) { return val.real() >= 0; }
#else
static bool IsNegative(Self) { return false; }
static bool IsNonnegative(Self) { return true; }
#endif
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<unsigned char> >
* \brief Define traits for type std::complex<unsigned char>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< unsigned char > >
{
public:
typedef std::complex< unsigned char > Self;
// for backward compatibility
typedef Self TheType;
typedef unsigned char ValueType;
typedef std::complex< unsigned int > PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<unsigned char, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() == 0; }
static bool IsNegative(Self) { return false; }
static bool IsNonnegative(Self) { return true; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<short> >
* \brief Define traits for type std::complex<short>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< short > >
{
public:
typedef std::complex< short > Self;
// for backward compatibility
typedef Self TheType;
typedef short ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<short, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() <= 0; }
static bool IsNegative(Self val) { return val.real() < 0; }
static bool IsNonnegative(Self val) { return val.real() >= 0; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<unsigned short> >
* \brief Define traits for type std::complex<unsigned short>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< unsigned short > >
{
public:
typedef std::complex< unsigned short > Self;
// for backward compatibility
typedef Self TheType;
typedef unsigned short ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<unsigned short, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() == 0; }
static bool IsNegative(Self) { return false; }
static bool IsNonnegative(Self) { return true; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<int> >
* \brief Define traits for type std::complex<int>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< int > >
{
public:
typedef std::complex< int > Self;
// for backward compatibility
typedef Self TheType;
typedef int ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<int, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() <= 0; }
static bool IsNegative(Self val) { return val.real() < 0; }
static bool IsNonnegative(Self val) { return val.real() >= 0; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<unsigned int> >
* \brief Define traits for type std::complex<unsigned int>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< unsigned int > >
{
public:
typedef std::complex< unsigned int > Self;
// for backward compatibility
typedef Self TheType;
typedef unsigned int ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<unsigned int, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() == 0; }
static bool IsNegative(Self) { return false; }
static bool IsNonnegative(Self) { return true; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<long> >
* \brief Define traits for type std::complex<long>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< long > >
{
public:
typedef std::complex< long > Self;
// for backward compatibility
typedef Self TheType;
typedef long ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<long, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() <= 0; }
static bool IsNegative(Self val) { return val.real() < 0; }
static bool IsNonnegative(Self val) { return val.real() >= 0; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<unsigned long> >
* \brief Define traits for type std::complex<unsigned long>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< unsigned long > >
{
public:
typedef std::complex< unsigned long > Self;
// for backward compatibility
typedef Self TheType;
typedef unsigned long ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<unsigned long, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0);
}
static bool IsPositive(Self val) { return val.real() > 0; }
static bool IsNonpositive(Self val) { return val.real() == 0; }
static bool IsNegative(Self) { return false; }
static bool IsNonnegative(Self) { return true; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<float> >
* \brief Define traits for type std::complex<float>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< float > >
{
public:
typedef std::complex< float > Self;
// for backward compatibility
typedef Self TheType;
typedef float ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<float, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< Self >::min(); }
static Self max() { return std::numeric_limits< Self >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< float >::NonpositiveMin(), 0.0f);
}
static bool IsPositive(Self val) { return val.real() > 0.0; }
static bool IsNonpositive(Self val) { return val.real() <= 0.0; }
static bool IsNegative(Self val) { return val.real() < 0.0; }
static bool IsNonnegative(Self val) { return val.real() >= 0.0; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<double> >
* \brief Define traits for type std::complex<double>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< double > >
{
public:
typedef std::complex< double > Self;
// for backward compatibility
typedef Self TheType;
typedef double ValueType;
typedef Self PrintType;
typedef double AbsType;
typedef Self AccumulateType;
typedef std::complex< double > RealType;
typedef double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<double, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< ValueType >::min(); }
static Self max() { return std::numeric_limits< ValueType >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< double >::NonpositiveMin(), 0.0);
}
static bool IsPositive(Self val) { return val.real() > 0.0; }
static bool IsNonpositive(Self val) { return val.real() <= 0.0; }
static bool IsNegative(Self val) { return val.real() < 0.0; }
static bool IsNonnegative(Self val) { return val.real() >= 0.0; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits< std::complex<long double> >
* \brief Define traits for type std::complex<long double>.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< std::complex< long double > >
{
public:
typedef std::complex< long double > Self;
// for backward compatibility
typedef Self TheType;
typedef long double ValueType;
typedef Self PrintType;
typedef long double AbsType;
typedef Self AccumulateType;
typedef std::complex< long double > RealType;
typedef long double ScalarRealType;
typedef std::complex< float > FloatType;
typedef FixedArray<long double, 2> MeasurementVectorType;
static const Self ITKCommon_EXPORT Zero;
static const Self ITKCommon_EXPORT One;
static Self min() { return std::numeric_limits< ValueType >::min(); }
static Self max() { return std::numeric_limits< ValueType >::max(); }
static Self min(Self) { return min(); }
static Self max(Self) { return max(); }
static Self NonpositiveMin()
{
return Self(NumericTraits< ValueType >::NonpositiveMin(), 0.0);
}
static bool IsPositive(Self val) { return val.real() > 0.0; }
static bool IsNonpositive(Self val) { return val.real() <= 0.0; }
static bool IsNegative(Self val) { return val.real() < 0.0; }
static bool IsNonnegative(Self val) { return val.real() >= 0.0; }
static const bool IsSigned = NumericTraits< ValueType >::IsSigned;
static const bool IsInteger = false;
static const bool IsComplex = true;
static Self ZeroValue() { return Zero; }
static Self OneValue() { return One; }
static unsigned int GetLength(const Self &) { return 2; }
static unsigned int GetLength() { return 2; }
static Self NonpositiveMin(const Self &) { return NonpositiveMin(); }
static Self ZeroValue(const Self &) { return ZeroValue(); }
static Self OneValue(const Self &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const Self & v, TArray & mv )
{
mv[0] = v.real();
mv[1] = v.imag();
}
static void SetLength(Self & m, const unsigned int s)
{
if ( s != 2 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a complex to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<long long>
* \brief Define traits for type long long.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< long long > :
public std::numeric_limits< long long >
{
public:
typedef long long ValueType;
typedef long long PrintType;
typedef long long AbsType;
typedef long long AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const ValueType ITKCommon_EXPORT Zero;
static const ValueType ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static ValueType NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(ValueType val) { return val > Zero; }
static bool IsNonpositive(ValueType val) { return val <= Zero; }
static bool IsNegative(ValueType val) { return val < Zero; }
static bool IsNonnegative(ValueType val) { return val >= Zero; }
static const bool IsSigned = true;
static const bool IsInteger = true;
static const bool IsComplex = false;
static ValueType ZeroValue() { return Zero; }
static ValueType OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/** \class NumericTraits<unsigned long long>
* \brief Define traits for type unsigned long long.
* \ingroup DataRepresentation
* \ingroup ITKCommon
*/
template< >
class NumericTraits< unsigned long long > :
public std::numeric_limits< unsigned long long >
{
public:
typedef unsigned long long ValueType;
typedef unsigned long long PrintType;
typedef unsigned long long AbsType;
typedef unsigned long long AccumulateType;
typedef double RealType;
typedef RealType ScalarRealType;
typedef float FloatType;
typedef FixedArray<ValueType, 1> MeasurementVectorType;
static const ValueType ITKCommon_EXPORT Zero;
static const ValueType ITKCommon_EXPORT One;
itkNUMERIC_TRAITS_MIN_MAX_MACRO();
static ValueType NonpositiveMin() { return std::numeric_limits< ValueType >::min(); }
static bool IsPositive(ValueType val) { return val != Zero; }
static bool IsNonpositive(ValueType val) { return val == Zero; }
static bool IsNegative(ValueType) { return false; }
static bool IsNonnegative(ValueType) { return true; }
static const bool IsSigned = false;
static const bool IsInteger = true;
static const bool IsComplex = false;
static ValueType ZeroValue() { return Zero; }
static ValueType OneValue() { return One; }
static unsigned int GetLength(const ValueType &) { return 1; }
static unsigned int GetLength() { return 1; }
static ValueType NonpositiveMin(const ValueType &) { return NonpositiveMin(); }
static ValueType ZeroValue(const ValueType &) { return ZeroValue(); }
static ValueType OneValue(const ValueType &) { return OneValue(); }
template<typename TArray>
static void AssignToArray( const ValueType & v, TArray & mv )
{
mv[0] = v;
}
static void SetLength(ValueType & m, const unsigned int s)
{
if ( s != 1 )
{
itkGenericExceptionMacro(<< "Cannot set the size of a scalar to " << s);
}
m = NumericTraits< ValueType >::ZeroValue();
}
};
/// \endcond
} // end namespace itk
#include "itkFixedArray.h"
#endif // itkNumericTraits_h
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