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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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;
constexpr unsigned int Dimension2D = 2;
constexpr unsigned int Dimension3D = 3;
constexpr unsigned int Dimension4D = 4;
using CoordRepType = double;
using Vector2DType = itk::Vector<CoordRepType, Dimension2D>;
using Vector3DType = itk::Vector<CoordRepType, Dimension3D>;
using Vector4DType = itk::Vector<CoordRepType, Dimension4D>;
using Cross2DType = itk::CrossHelper<Vector2DType>;
Cross2DType cross2d;
using Cross3DType = itk::CrossHelper<Vector3DType>;
Cross3DType cross3d;
using Cross4DType = itk::CrossHelper<Vector4DType>;
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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