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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkIntTypesTest.cxx,v $
Language: C++
Date: $Date: 2009-12-16 14:59:00 $
Version: $Revision: 1.6 $
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 "itkIntTypes.h"
#include "itkNumericTraits.h"
namespace
{
template <typename T>
bool CheckSize( size_t size, T* = 0 )
{
return ( sizeof( T ) == size );
}
template <typename T>
bool CheckAtleastSize( size_t size, T* = 0 )
{
return ( sizeof( T ) >= size );
}
template <typename T>
bool CheckTraits( bool issigned, T* = 0 )
{
// make sure that we have a specialized NumericTraits
T t0 = itk::NumericTraits<T>::Zero;
T t1 = itk::NumericTraits<T>::One;
// just here so that we use the variable
itk::NumericTraits<T>::IsPositive(t1);
itk::NumericTraits<T>::IsNegative(t0);
// make sure the numeric_limits is specialized
if (!itk::NumericTraits<T>::is_specialized)
return false;
if (itk::NumericTraits<T>::is_signed != issigned )
return false;
return true;
}
template<typename T>
bool CheckType( size_t size, bool exactSize, bool issigned, const char * name, T* = 0 )
{
bool ret = true;
if ( exactSize )
ret &= CheckSize<T>( size );
else
ret &= CheckAtleastSize<T>( size );
ret &= CheckTraits<T>( issigned );
if (ret)
return ret;
std::cout << "error with type \"" << name
<< "\" sizeof: " << sizeof(T)
<< " specialized: " << itk::NumericTraits<T>::is_specialized
<< " digits: " << itk::NumericTraits<T>::digits
<< " signed: " << itk::NumericTraits<T>::is_signed
<< std::endl;
return ret;
}
} // namespace
#define CHECKTYPE( T, SIZE, EXACT, ISSIGNED ) CheckType<T>( SIZE, EXACT, ISSIGNED, #T )
int itkIntTypesTest( int, char *[] )
{
bool pass = true;
// fixed width types
pass &= CHECKTYPE( itk::int8_t, 1, true, true );
pass &= CHECKTYPE( itk::uint8_t, 1, true, false );
pass &= CHECKTYPE( itk::int16_t, 2, true, true );
pass &= CHECKTYPE( itk::uint16_t, 2, true, false );
pass &= CHECKTYPE( itk::int32_t, 4, true, true );
pass &= CHECKTYPE( itk::uint32_t, 4, true, false );
// least types
pass &= CHECKTYPE( itk::int_least8_t, 1, false, true );
pass &= CHECKTYPE( itk::uint_least8_t, 1, false, false );
pass &= CHECKTYPE( itk::int_least16_t, 2, false, true );
pass &= CHECKTYPE( itk::uint_least16_t, 2, false, false );
pass &= CHECKTYPE( itk::int_least32_t, 4, false, true );
pass &= CHECKTYPE( itk::uint_least32_t, 4, false, false );
// fast types
pass &= CHECKTYPE( itk::int_fast8_t, 1, false, true );
pass &= CHECKTYPE( itk::uint_fast8_t, 1, false, false );
pass &= CHECKTYPE( itk::int_fast16_t, 2, false, true );
pass &= CHECKTYPE( itk::uint_fast16_t, 2, false, false );
pass &= CHECKTYPE( itk::int_fast32_t, 4, false, true );
pass &= CHECKTYPE( itk::uint_fast32_t, 4, false, false );
#ifdef ITK_HAS_INT_64
pass &= CHECKTYPE( itk::int64_t, 8, true, true );
pass &= CHECKTYPE( itk::uint64_t, 8, true, false );
pass &= CHECKTYPE( itk::int_least64_t, 8, false, true );
pass &= CHECKTYPE( itk::uint_least64_t, 8, false, false );
pass &= CHECKTYPE( itk::int_fast64_t, 8, false, true );
pass &= CHECKTYPE( itk::uint_fast64_t, 8, false, false );
#endif // ITK_HAS_INT_64
pass &= CHECKTYPE( itk::intmax_t, 4, false, true );
pass &= CHECKTYPE( itk::uintmax_t, 4, false, false );
pass &= CHECKTYPE( itk::intptr_t, sizeof(void *), false, true );
pass &= CHECKTYPE( itk::uintptr_t, sizeof(void *), false, false );
if ( pass )
return EXIT_SUCCESS;
return EXIT_FAILURE;
}
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