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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// this program tests the Pyramid cell. The test only includes centroid testing for now.
#include "vtkLogger.h"
#include "vtkMathUtilities.h"
#include "vtkNew.h"
#include "vtkPoints.h"
#include "vtkPyramid.h"
#include <array>
//-----------------------------------------------------------------------------
#define VTK_REQUIRE(cond, msg) \
do \
{ \
if (!(cond)) \
{ \
vtkLogF(ERROR, "'%s' => %s", #cond, msg); \
return EXIT_FAILURE; \
} \
} while (false)
//-----------------------------------------------------------------------------
template <typename T>
bool FuzzyCompare(T x, T y, double tol = 0.0)
{
for (unsigned long i = 0; i < x.size(); ++i)
{
if (!vtkMathUtilities::FuzzyCompare(x[i], y[i], tol))
{
return false;
}
}
return true;
}
//-----------------------------------------------------------------------------
int TestPyramid(int, char*[])
{
constexpr double tol = 0.000001;
vtkNew<vtkPyramid> pyramid;
pyramid->GetPoints()->SetPoint(0, 1.0, 1.0, 1.0);
pyramid->GetPoints()->SetPoint(1, -1.0, 1.0, 1.0);
pyramid->GetPoints()->SetPoint(2, -1.0, -1.0, 1.0);
pyramid->GetPoints()->SetPoint(3, 1.0, -1.0, 1.0);
pyramid->GetPoints()->SetPoint(4, 0.0, 0.0, 0.0);
// Testing vtkPyramid::ComputeCentroid and vtkPyramid::GetCentroid
std::array<double, 3> centroid;
bool res = pyramid->GetCentroid(centroid.data());
VTK_REQUIRE(res, "vtkPyramid::GetCentroid FAILED: couldn't determine centroid");
VTK_REQUIRE(FuzzyCompare(centroid, { 0.0, 0.0, 0.75 }, tol),
"vtkPyramid::GetCentroid FAILED: wrong centroid");
return EXIT_SUCCESS;
}
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