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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
/*!
* \file
* \brief Unit tests for the virtual refinement code
*/
#include <iostream>
#include <ostream>
#include <typeinfo>
#include <dune/geometry/test/checkgeometry.hh>
#include <dune/geometry/referenceelements.hh>
#include <dune/geometry/type.hh>
#include <dune/geometry/virtualrefinement.hh>
using namespace Dune;
void pass(int &result)
{
// 77 means 'SKIP'
if (result == 77)
{
result = 0;
}
}
void fail(int &result)
{
result = 1;
}
void collect(int &result, bool passed)
{
if (passed)
{
pass(result);
}
else
{
fail(result);
}
}
/*!
* \brief Test virtual refinement for an element with a run-time type
*/
template <class ct, int dim>
void testVirtualRefinement(int &result, const Dune::GeometryType& elementType,
const Dune::GeometryType& coerceTo, Dune::RefinementIntervals tag, std::string refType)
{
std::cout << "Checking virtual refinement " << elementType << " -> "
<< coerceTo << " intervals " << tag.intervals()
<< " " << refType << " tag" << std::endl;
auto refElem = referenceElement<ct, dim>(elementType);
typedef Dune::VirtualRefinement<dim, ct> Refinement;
typedef typename Refinement::ElementIterator eIterator;
typedef typename Refinement::VertexIterator vIterator;
// Make a virtual refinement of the reference element
Refinement & elementRefinement =
Dune::buildRefinement<dim, ct>(elementType, coerceTo);
eIterator eSubEnd = elementRefinement.eEnd(tag);
eIterator eSubIt = elementRefinement.eBegin(tag);
for (; eSubIt != eSubEnd; ++eSubIt)
{
if (refElem.checkInside(eSubIt.coords()))
{
pass(result);
}
else
{
std::cerr << "Error: Sub-element position (" << eSubIt.coords()
<< ") is outside of the reference element" << std::endl;
fail(result);
}
}
vIterator vSubEnd = elementRefinement.vEnd(tag);
vIterator vSubIt = elementRefinement.vBegin(tag);
for (; vSubIt != vSubEnd; ++vSubIt)
{
if (refElem.checkInside(vSubIt.coords()))
{
pass(result);
}
else
{
std::cerr << "Error: Sub-vertex position (" << vSubIt.coords()
<< ") is outside of the reference element" << std::endl;
fail(result);
}
}
}
/*!
* \brief Test virtual refinement for an element with a static type
*/
template <unsigned topologyId, class ct, unsigned coerceToId, int dim>
void testStaticRefinementGeometry(int &result, Dune::RefinementIntervals tag, std::string refType)
{
std::cout << "Checking static refinement geometry "
<< GeometryType(topologyId, dim) << " -> "
<< GeometryType(coerceToId, dim) << " intervals " << tag.intervals()
<< " " << refType << " tag" << std::endl;
typedef Dune::StaticRefinement<topologyId, ct, coerceToId, dim> Refinement;
typedef typename Refinement::ElementIterator eIterator;
typedef typename Refinement::VertexIterator vIterator;
eIterator eSubEnd = Refinement::eEnd(tag);
eIterator eSubIt = Refinement::eBegin(tag);
for (; eSubIt != eSubEnd; ++eSubIt)
{
// Call the standard test for geometries
collect(result, checkGeometry(eSubIt.geometry()));
}
vIterator vSubEnd = Refinement::vEnd(tag);
vIterator vSubIt = Refinement::vBegin(tag);
for (; vSubIt != vSubEnd; ++vSubIt)
{
// Call the standard test for geometries
collect(result, checkGeometry(vSubIt.geometry()));
}
}
int main(int /* argc */, char** /* argv */) try
{
// 77 means 'SKIP'
int result = 77;
GeometryType gt1, gt2;
// test segment
gt1 = gt2 = GeometryTypes::line;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,1>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,1>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::line.id(),double,GeometryTypes::line.id(),1>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::line.id(),double,GeometryTypes::line.id(),1>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test triangle
gt1 = gt2 = GeometryTypes::triangle;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,2>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,2>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::triangle.id(),double,GeometryTypes::triangle.id(),2>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::triangle.id(),double,GeometryTypes::triangle.id(),2>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test quadrilateral
gt1 = gt2 = GeometryTypes::quadrilateral;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,2>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,2>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::quadrilateral.id(),double,GeometryTypes::quadrilateral.id(),2>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::quadrilateral.id(),double,GeometryTypes::quadrilateral.id(),2>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test refinement of a quadrilateral by triangles
gt2 = GeometryTypes::triangle;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,2>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,2>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::quadrilateral.id(),double,GeometryTypes::triangle.id(),2>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::quadrilateral.id(),double,GeometryTypes::triangle.id(),2>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test tetrahedron
gt1 = gt2 = GeometryTypes::tetrahedron;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,3>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,3>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::tetrahedron.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::tetrahedron.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test pyramid
gt1 = GeometryTypes::pyramid;
gt2 = GeometryTypes::tetrahedron;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,3>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,3>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::pyramid.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::pyramid.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test prism
gt1 = GeometryTypes::prism;
gt2 = GeometryTypes::tetrahedron;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,3>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,3>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::prism.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::prism.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test hexahedron
gt1 = gt2 = GeometryTypes::hexahedron;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,3>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,3>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::hexahedron.id(),double,GeometryTypes::hexahedron.id(),3>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::hexahedron.id(),double,GeometryTypes::hexahedron.id(),3>
(result, refinementIntervals(1<<refinement), "intervals");
}
// test refinement of hexahedron by tetrahedra
gt1 = gt2 = GeometryTypes::hexahedron;
for (unsigned int refinement = 0; refinement < 3; refinement++)
{
testVirtualRefinement<double,3>(result, gt1, gt2, refinementLevels(refinement), "levels");
testVirtualRefinement<double,3>(result, gt1, gt2, refinementIntervals(1<<refinement), "intervals");
testStaticRefinementGeometry<GeometryTypes::hexahedron.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementLevels(refinement), "levels");
testStaticRefinementGeometry<GeometryTypes::hexahedron.id(),double,GeometryTypes::tetrahedron.id(),3>
(result, refinementIntervals(1<<refinement), "intervals");
}
return result;
}
catch (Exception &e)
{
std::cerr << e << std::endl;
throw;
} catch (...) {
std::cerr << "Generic exception!" << std::endl;
throw;
}
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