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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkNumericTraitsTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include <vector>
#include "itkNumericTraits.h"
template<class T> void CheckTraits(const char *name, T t)
{
// check std::numeric_limits members
std::cout << "itk::NumericTraits<" << name << ">" << std::endl;
std::cout << "\tis_specialized: " << itk::NumericTraits<T>::digits << std::endl;
std::cout << "\tdigits: " << itk::NumericTraits<T>::digits << std::endl;
std::cout << "\tdigits10: " << itk::NumericTraits<T>::digits10 << std::endl;
std::cout << "\tis_signed: " << itk::NumericTraits<T>::is_signed << std::endl;
std::cout << "\tround_error(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::round_error()) << std::endl;
std::cout << "\tdenorm_min(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::denorm_min()) << std::endl;
std::cout << "\tepsilon(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::epsilon()) << std::endl;
std::cout << "\tmin(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::min()) << std::endl;
std::cout << "\tmax(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::max()) << std::endl;
// check NumericTraits
std::cout << "\tIsPositive( One )" << itk::NumericTraits<T>::IsPositive( itk::NumericTraits<T>::One ) << std::endl;
std::cout << "\tIsNonpositive( One )" << itk::NumericTraits<T>::IsNonpositive( itk::NumericTraits<T>::One ) << std::endl;
std::cout << "\tIsNegative( One )" << itk::NumericTraits<T>::IsNegative( itk::NumericTraits<T>::One ) << std::endl;
std::cout << "\tIsNonnegative( One )" << itk::NumericTraits<T>::IsNonnegative( itk::NumericTraits<T>::One ) << std::endl;
std::cout << "\tZero: " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::Zero) << std::endl;
std::cout << "\tOne: " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::One) << std::endl;
std::cout << "\tZeroValue(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::ZeroValue()) << std::endl;
std::cout << "\tOneValue(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::OneValue()) << std::endl;
std::cout << "\tmax(" << name << "): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::max(t)) << std::endl;
std::cout << "\tmin(" << name << "): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::min(t)) << std::endl;
std::cout << "\tNonpositiveMin(): " << static_cast<typename itk::NumericTraits<T>::PrintType>(itk::NumericTraits<T>::NonpositiveMin()) << std::endl;
}
int itkNumericTraitsTest(int, char* [] )
{
CheckTraits("char", static_cast<char>(0));
CheckTraits("signed char", static_cast<signed char>(0));
CheckTraits("unsigned char", static_cast<unsigned char>(0));
CheckTraits("short", static_cast<short>(0));
CheckTraits("signed short", static_cast<signed short>(0));
CheckTraits("unsigned short", static_cast<unsigned short>(0));
CheckTraits("int", static_cast<int>(0));
CheckTraits("signed int", static_cast<signed int>(0));
CheckTraits("unsigned int", static_cast<unsigned int>(0));
CheckTraits("long", static_cast<long>(0));
CheckTraits("signed long", static_cast<signed long>(0));
CheckTraits("unsigned long", static_cast<unsigned long>(0));
#ifdef ITK_TYPE_USE_LONG_LONG
CheckTraits("long long", static_cast<long long>(0));
CheckTraits("signed long long", static_cast<signed long long>(0));
CheckTraits("unsigned long long", static_cast<unsigned long long>(0));
#endif
CheckTraits("float", static_cast<float>(0));
CheckTraits("double", static_cast<double>(0));
CheckTraits("long double", static_cast<double>(0));
// Check not fundamental types which we need
CheckTraits("size_t", static_cast<size_t>(0));
CheckTraits("std::ptrdiff_t", static_cast<std::ptrdiff_t>(0));
typedef std::vector<int>::size_type VectorSizeType;
CheckTraits("std::vector<int>::size_type", static_cast<VectorSizeType>(0));
return EXIT_SUCCESS;
}
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