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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.
*
*=========================================================================*/
#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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