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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 itkIsNumber_h
#define itkIsNumber_h
#include "itkMetaProgrammingLibrary.h"
#include "itkIntTypes.h"
namespace itk
{
/// \cond HIDE_META_PROGRAMMING
namespace mpl
{
/** Tells whether a type is a number.
* \return \c TrueType for all kinds of numbers from \c short to `long long`,
* and from \c float to `long double`.
* \ingroup MetaProgrammingLibrary
* \ingroup ITKCommon
*/
template <typename T>
struct IsNumber : FalseType {};
/// \cond SPECIALIZATION_IMPLEMENTATION
template <> struct IsNumber<unsigned char> : TrueType {};
template <> struct IsNumber<signed char> : TrueType {};
template <> struct IsNumber<unsigned short int> : TrueType {};
template <> struct IsNumber<signed short int> : TrueType {};
template <> struct IsNumber<signed int> : TrueType {};
template <> struct IsNumber<unsigned int> : TrueType {};
template <> struct IsNumber<signed long int> : TrueType {};
template <> struct IsNumber<unsigned long int> : TrueType {};
template <> struct IsNumber<signed long long int> : TrueType {};
template <> struct IsNumber<unsigned long long int> : TrueType {};
template <> struct IsNumber<float> : TrueType {};
template <> struct IsNumber<double> : TrueType {};
template <> struct IsNumber<long double> : TrueType {};
/// \endcond
} // itk::mpl namespace
/// \endcond
} // itk namespace
#endif // itkIsNumber_h
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