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// @HEADER
// ************************************************************************
//
// Intrepid2 Package
// Copyright (2007) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Kyungjoo Kim (kyukim@sandia.gov), or
// Mauro Perego (mperego@sandia.gov)
//
// ************************************************************************
// @HEADER
/** \file
\brief Test of the CellTools class.
\author Created by P. Bochev, D. Ridzal, K. Peterson and Kyungjoo Kim
*/
#include "Intrepid2_config.h"
#ifdef HAVE_INTREPID2_DEBUG
#define INTREPID2_TEST_FOR_DEBUG_ABORT_OVERRIDE_TO_CONTINUE
#endif
//#include "Intrepid2_DefaultCubatureFactory.hpp"
#include "Intrepid2_Cubature.hpp"
#include "Intrepid2_CubatureDirectLineGauss.hpp"
#include "Intrepid2_CubatureTensor.hpp"
#include "Intrepid2_CellTools.hpp"
#include "Teuchos_oblackholestream.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_ScalarTraits.hpp"
namespace Intrepid2 {
namespace Test {
#define INTREPID2_TEST_ERROR_EXPECTED( S ) \
try { \
S ; \
} \
catch (std::logic_error err) { \
*outStream << "Expected Error ----------------------------------------------------------------\n"; \
*outStream << err.what() << '\n'; \
*outStream << "-------------------------------------------------------------------------------" << "\n\n"; \
};
#define ConstructWithLabel(obj, ...) obj(#obj, __VA_ARGS__)
template<typename ValueType, typename DeviceSpaceType>
int CellTools_Test02(const bool verbose) {
Teuchos::RCP<std::ostream> outStream;
Teuchos::oblackholestream bhs; // outputs nothing
if (verbose)
outStream = Teuchos::rcp(&std::cout, false);
else
outStream = Teuchos::rcp(&bhs, false);
Teuchos::oblackholestream oldFormatState;
oldFormatState.copyfmt(std::cout);
typedef typename
Kokkos::Impl::is_space<DeviceSpaceType>::host_mirror_space::execution_space HostSpaceType ;
*outStream << "DeviceSpace:: "; DeviceSpaceType::print_configuration(*outStream, false);
*outStream << "HostSpace:: "; HostSpaceType::print_configuration(*outStream, false);
*outStream
<< "===============================================================================\n"
<< "| |\n"
<< "| Unit Test CellTools |\n"
<< "| |\n"
<< "| 1) Edge parametrizations |\n"
<< "| 2) Face parametrizations |\n"
<< "| 3) Edge tangents |\n"
<< "| 4) Face tangents and normals |\n"
<< "| |\n"
<< "| Questions? Contact Pavel Bochev (pbboche@sandia.gov) |\n"
<< "| Denis Ridzal (dridzal@sandia.gov), or |\n"
<< "| Kara Peterson(kjpeter@sandia.gov), or |\n"
<< "| Kyungjoo Kim (kyukim@sandia.gov) |\n"
<< "| |\n"
<< "| Intrepid's website: http://trilinos.sandia.gov/packages/intrepid |\n"
<< "| Trilinos website: http://trilinos.sandia.gov |\n"
<< "| |\n"
<< "===============================================================================\n";
typedef CellTools<DeviceSpaceType> ct;
typedef Kokkos::DynRankView<ValueType,DeviceSpaceType> DynRankView;
const ValueType tol = tolerence()*100.0;
int errorFlag = 0;
try {
/***********************************************************************************************
*
* Common for test 3 and 4: edge tangents and face normals for standard cells with base topo
*
**********************************************************************************************/
// Allocate storage and extract all standard cells with base topologies
std::vector<shards::CellTopology> standardBaseTopologies;
shards::getTopologies(standardBaseTopologies, 4, shards::STANDARD_CELL, shards::BASE_TOPOLOGY);
const auto topoSize = standardBaseTopologies.size();
// Define topologies for the edge and face parametrization domains. (faces are Tri or Quad)
const auto paramEdge = shards::CellTopology(shards::getCellTopologyData<shards::Line<2> >() );
const auto paramTriFace = shards::CellTopology(shards::getCellTopologyData<shards::Triangle<3> >() );
const auto paramQuadFace = shards::CellTopology(shards::getCellTopologyData<shards::Quadrilateral<4> >() );
*outStream
<< "\n"
<< "===============================================================================\n"
<< "| Test 3: edge tangents/normals for stand. cells with base topologies: |\n"
<< "===============================================================================\n\n";
{
// Define cubature on the edge parametrization domain:
const auto testAccuracy = 6;
CubatureDirectLineGauss<DeviceSpaceType> edgeCubature(testAccuracy);
const auto cubDim = edgeCubature.getDimension();
const auto numCubPoints = edgeCubature.getNumPoints();
// Allocate storage for cubature points and weights on edge parameter domain and fill with points:
DynRankView ConstructWithLabel(paramEdgePoints, numCubPoints, cubDim);
DynRankView ConstructWithLabel(paramEdgeWeights, numCubPoints);
edgeCubature.getCubature(paramEdgePoints, paramEdgeWeights);
// Loop over admissible topologies
for (size_type topoOrd=0;topoOrd<topoSize;++topoOrd) {
const auto cell = standardBaseTopologies[topoOrd];
// skip cells not supported
if (!ct::hasReferenceCell(cell))
continue;
// Exclude 0D (node), 1D (Line)
if ( cell.getDimension() >= 2 ) { //&& cell.getKey() != shards::Pyramid<5>::key ) {
const auto cellDim = cell.getDimension();
const auto nCount = cell.getNodeCount();
const auto vCount = cell.getVertexCount();
DynRankView ConstructWithLabel(refCellVertices, nCount, cellDim);
ct::getReferenceSubcellVertices(refCellVertices, cellDim, 0, cell);
*outStream << " Testing edge tangents (and normals for cellDim = 2) for "
<< cell.getName() << " cellDim = " << cellDim <<"\n";
// Array for physical cell vertices ( must have rank 3 for setJacobians)
DynRankView ConstructWithLabel(physCellVertices, 1, vCount, cellDim);
// Randomize reference cell vertices by moving them up to +/- (1/8) units along their
// coordinate axis. Guaranteed to be non-degenerate for standard cells with base topology
for (size_type v=0;v<vCount;++v)
for (size_type d=0;d<cellDim;++d) {
const auto delta = Teuchos::ScalarTraits<ValueType>::random()/8.0;
physCellVertices(0, v, d) = refCellVertices(v, d) + delta;
}
// Allocate storage for cub. points on a ref. edge; Jacobians, phys. edge tangents/normals
DynRankView ConstructWithLabel(refEdgePoints, numCubPoints, cellDim);
// here, 1 means that the container includes a single cell
DynRankView ConstructWithLabel(edgePointsJacobians, 1, numCubPoints, cellDim, cellDim);
DynRankView ConstructWithLabel(edgePointTangents, 1, numCubPoints, cellDim);
DynRankView ConstructWithLabel(edgePointNormals, 1, numCubPoints, cellDim);
// Loop over edges:
for (size_type edgeOrd=0;edgeOrd<cell.getEdgeCount();++edgeOrd) {
/*
* Compute tangents on the specified physical edge using CellTools:
* 1. Map points from edge parametrization domain to ref. edge with specified ordinal
* 2. Compute parent cell Jacobians at ref. edge points
* 3. Compute physical edge tangents
*/
ct::mapToReferenceSubcell(refEdgePoints, paramEdgePoints, 1, edgeOrd, cell);
ct::setJacobian(edgePointsJacobians, refEdgePoints, physCellVertices, cell);
ct::getPhysicalEdgeTangents(edgePointTangents, edgePointsJacobians, edgeOrd, cell);
/*
* Compute tangents directly using parametrization of phys. edge and compare with CellTools tangents.
* 1. Get edge vertices
* 2. For affine edges tangent coordinates are given by F'(t) = (V1-V0)/2
* (for now we only test affine edges, but later we will test edges for cells
* with extended topologies.)
*/
const auto v0ord = cell.getNodeMap(1, edgeOrd, 0);
const auto v1ord = cell.getNodeMap(1, edgeOrd, 1);
for (auto pt=0;pt<numCubPoints;++pt) {
// Temp storage for directly computed edge tangents
DynRankView ConstructWithLabel(edgeBenchmarkTangents, 3);
for (size_type d=0;d<cellDim;++d) {
edgeBenchmarkTangents(d) = (physCellVertices(0, v1ord, d) - physCellVertices(0, v0ord, d))/2.0;
// Compare with d-component of edge tangent by CellTools
if ( std::abs(edgeBenchmarkTangents(d) - edgePointTangents(0, pt, d)) > tol ) {
errorFlag++;
*outStream
<< std::setw(70) << "^^^^----FAILURE!" << "\n"
<< " Edge tangent computation by CellTools failed for: \n"
<< " Cell Topology = " << cell.getName() << "\n"
<< " Edge ordinal = " << edgeOrd << "\n"
<< " Edge point number = " << pt << "\n"
<< " Tangent coordinate = " << d << "\n"
<< " CellTools value = " << edgePointTangents(0, pt, d) << "\n"
<< " Benchmark value = " << edgeBenchmarkTangents(d) << "\n\n";
}
} // for d
// Test side normals for 2D cells only: edge normal has coordinates (t1, -t0)
if (cellDim == 2) {
ct::getPhysicalSideNormals(edgePointNormals, edgePointsJacobians, edgeOrd, cell);
if ( std::abs(edgeBenchmarkTangents(1) - edgePointNormals(0, pt, 0)) > tol ) {
errorFlag++;
*outStream
<< std::setw(70) << "^^^^----FAILURE!" << "\n"
<< " Edge Normal computation by CellTools failed for: \n"
<< " Cell Topology = " << cell.getName() << "\n"
<< " Edge ordinal = " << edgeOrd << "\n"
<< " Edge point number = " << pt << "\n"
<< " Normal coordinate = " << 0 << "\n"
<< " CellTools value = " << edgePointNormals(0, pt, 0) << "\n"
<< " Benchmark value = " << edgeBenchmarkTangents(1) << "\n\n";
}
if ( std::abs(edgeBenchmarkTangents(0) + edgePointNormals(0, pt, 1)) > tol ) {
errorFlag++;
*outStream
<< std::setw(70) << "^^^^----FAILURE!" << "\n"
<< " Edge Normal computation by CellTools failed for: \n"
<< " Cell Topology = " << cell.getName() << "\n"
<< " Edge ordinal = " << edgeOrd << "\n"
<< " Edge point number = " << pt << "\n"
<< " Normal coordinate = " << 1 << "\n"
<< " CellTools value = " << edgePointNormals(0, pt, 1) << "\n"
<< " Benchmark value = " << -edgeBenchmarkTangents(0) << "\n\n";
}
} // edge normals
} // for pt
}// for edgeOrd
}// if admissible cell
}// topOrd
}
} catch (std::logic_error err) {
//============================================================================================//
// Wrap up test: check if the test broke down unexpectedly due to an exception //
//============================================================================================//
*outStream << err.what() << "\n";
errorFlag = -1000;
}
if (errorFlag != 0)
std::cout << "End Result: TEST FAILED\n";
else
std::cout << "End Result: TEST PASSED\n";
// reset format state of std::cout
std::cout.copyfmt(oldFormatState);
return errorFlag;
}
}
}
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