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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkCrossHelperTest.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.
=========================================================================*/
#include "itkVector.h"
#include "itkCrossHelper.h"
#include <iostream>
int itkCrossHelperTest( int argc, char* argv[] )
{
(void) argc;
(void) argv;
const unsigned int Dimension2D = 2;
const unsigned int Dimension3D = 3;
const unsigned int Dimension4D = 4;
typedef double CoordRepType;
typedef itk::Vector< CoordRepType, Dimension2D > Vector2DType;
typedef itk::Vector< CoordRepType, Dimension3D > Vector3DType;
typedef itk::Vector< CoordRepType, Dimension4D > Vector4DType;
typedef itk::CrossHelper< Vector2DType > Cross2DType;
Cross2DType cross2d;
typedef itk::CrossHelper< Vector3DType > Cross3DType;
Cross3DType cross3d;
typedef itk::CrossHelper< Vector4DType > Cross4DType;
Cross4DType cross4d;
Vector2DType u2d;
u2d[0] = 1.;
u2d[1] = 0.;
Vector2DType v2d;
v2d[0] = 0.;
v2d[1] = 1.;
if( cross2d( u2d, v2d ).GetNorm( ) > 1e-6 )
{
std::cout <<"cross product must return null vector is dimension is below 3"
<<std::endl;
return EXIT_FAILURE;
}
Vector3DType u3d;
u3d[0] = 1.;
u3d[1] = 0.;
u3d[2] = 0.;
Vector3DType v3d;
v3d[0] = 0.;
v3d[1] = 1.;
v3d[2] = 0.;
Vector3DType w3d;
w3d[0] = 0.;
w3d[1] = 0.;
w3d[2] = 1.;
if( ( cross3d( u3d, v3d ) - w3d ).GetNorm() > 1e-6 )
{
std::cout <<"cross3d( u3d, v3d ) != w3d" <<std::endl;
return EXIT_FAILURE;
}
if( ( cross3d( v3d, w3d ) - u3d ).GetNorm() > 1e-6 )
{
std::cout <<"cross3d( v3d, w3d ) != u3d" <<std::endl;
return EXIT_FAILURE;
}
if( ( cross3d( w3d, u3d ) - v3d ).GetNorm() > 1e-6 )
{
std::cout <<"cross3d( w3d, u3d ) != v3d" <<std::endl;
return EXIT_FAILURE;
}
Vector4DType u4d;
u4d[0] = 1.;
u4d[1] = 0.;
u4d[2] = 0.;
u4d[3] = 0.;
Vector4DType v4d;
v4d[0] = 0.;
v4d[1] = 1.;
v4d[2] = 0.;
v4d[3] = 0.;
Vector4DType w4d;
w4d[0] = 0.;
w4d[1] = 0.;
w4d[2] = 1.;
w4d[3] = 0.;
if( ( cross4d( u4d, v4d ) - w4d ).GetNorm() > 1e-6 )
{
std::cout <<"cross4d( u4d, v4d ) != w4d" <<std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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