Intrepid
test_06.cpp
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43 
52 #include "Intrepid_CellTools.hpp"
53 #include "Intrepid_HGRAD_TET_C1_FEM.hpp"
55 #include "Intrepid_Utils.hpp"
56 #include "Teuchos_oblackholestream.hpp"
57 #include "Teuchos_RCP.hpp"
58 #include "Teuchos_GlobalMPISession.hpp"
59 
60 using namespace std;
61 using namespace Intrepid;
62 
63 #define INTREPID_TEST_COMMAND( S ) \
64 { \
65  try { \
66  S ; \
67  } \
68  catch (std::logic_error err) { \
69  *outStream << "Expected Error ----------------------------------------------------------------\n"; \
70  *outStream << err.what() << '\n'; \
71  *outStream << "-------------------------------------------------------------------------------" << "\n\n"; \
72  }; \
73 }
74 
75 
76 int main(int argc, char *argv[]) {
77 
78  Teuchos::GlobalMPISession mpiSession(&argc, &argv);
79 
80  // This little trick lets us print to std::cout only if
81  // a (dummy) command-line argument is provided.
82  int iprint = argc - 1;
83  Teuchos::RCP<std::ostream> outStream;
84  Teuchos::oblackholestream bhs; // outputs nothing
85  if (iprint > 0)
86  outStream = Teuchos::rcp(&std::cout, false);
87  else
88  outStream = Teuchos::rcp(&bhs, false);
89 
90  // Save the format state of the original std::cout.
91  Teuchos::oblackholestream oldFormatState;
92  oldFormatState.copyfmt(std::cout);
93 
94  *outStream \
95  << "===============================================================================\n" \
96  << "| |\n" \
97  << "| Unit Test (FunctionSpaceTools) |\n" \
98  << "| |\n" \
99  << "| 1) basic operator transformations and integration in HGRAD |\n" \
100  << "| |\n" \
101  << "| Questions? Contact Pavel Bochev (pbboche@sandia.gov) or |\n" \
102  << "| Denis Ridzal (dridzal@sandia.gov). |\n" \
103  << "| |\n" \
104  << "| Intrepid's website: http://trilinos.sandia.gov/packages/intrepid |\n" \
105  << "| Trilinos website: http://trilinos.sandia.gov |\n" \
106  << "| |\n" \
107  << "===============================================================================\n";
108 
109 
110  int errorFlag = 0;
111 #ifdef HAVE_INTREPID_DEBUG
112  int beginThrowNumber = Teuchos::TestForException_getThrowNumber();
113  int endThrowNumber = beginThrowNumber + 28;
114 #endif
115 
116  typedef FunctionSpaceTools fst;
117 
118  *outStream \
119  << "\n"
120  << "===============================================================================\n"\
121  << "| TEST 1: exceptions |\n"\
122  << "===============================================================================\n";
123 
124  try{
125 #ifdef HAVE_INTREPID_DEBUG
127  FieldContainer<double, 2> a_2_2(2, 2);
128  FieldContainer<double, 3> a_2_3(2, 3);
129  FieldContainer<double, 4> a_3_2(3, 2);
130  FieldContainer<double, 5> a_2_2_3(2, 2, 3);
131  FieldContainer<double, 6> a_2_2_3_3(2, 2, 3, 3);
132  FieldContainer<double, 7> a_2_2_2(2, 2, 2);
133  FieldContainer<double, 8> a_2_2_2_3_3(2, 2, 2, 3, 3);
134  FieldContainer<double, 9> a_2_2_2_2_2(2, 2, 2, 2, 2);
135  FieldContainer<double, 10> a_2_2_2_2(2, 2, 2, 2);
136  FieldContainer<double, 11> a_3_2_2_2(3, 2, 2, 2);
137  FieldContainer<double, 12> a_2_3_2_2(2, 3, 2, 2);
138  FieldContainer<double, 13> a_2_2_3_2(2, 2, 3, 2);
139  FieldContainer<double, 14> a_2_2_2_3(2, 2, 2, 3);
140 
141  *outStream << "\n >>>>> TESTING computeCellMeasure:\n";
142  INTREPID_TEST_COMMAND( fst::computeCellMeasure<double>(a_2_2, a_2, a_2) );
143  INTREPID_TEST_COMMAND( fst::computeCellMeasure<double>(a_2_2, a_2_2, a_2) );
144 
145  *outStream << "\n >>>>> TESTING computeFaceMeasure:\n";
146  INTREPID_TEST_COMMAND( fst::computeFaceMeasure<double>(a_2_2, a_2, a_2, 0, shards::getCellTopologyData< shards::Tetrahedron<> >()) );
147  INTREPID_TEST_COMMAND( fst::computeFaceMeasure<double>(a_2_2, a_2_2_3_3, a_2, 0, shards::getCellTopologyData< shards::Tetrahedron<> >()) );
148 
149  *outStream << "\n >>>>> TESTING computeEdgeMeasure:\n";
150  INTREPID_TEST_COMMAND( fst::computeEdgeMeasure<double>(a_2_2, a_2, a_2, 0, shards::getCellTopologyData< shards::Triangle<> >()) );
151  INTREPID_TEST_COMMAND( fst::computeEdgeMeasure<double>(a_2_2, a_2_2_2_2, a_2, 0, shards::getCellTopologyData< shards::Triangle<> >()) );
152 
153  *outStream << "\n >>>>> TESTING integrate:\n";
154  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2_2_2_2, a_2_2_2, a_2_2_2, COMP_CPP) );
155  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2, a_2_2, a_2_2, COMP_CPP) );
156  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2, a_2_2_3, a_2_2_3, COMP_CPP) );
157  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2, a_2_2_3_3, a_2_2_3_3, COMP_CPP) );
158  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2_2, a_2_2, a_2_2_2, COMP_CPP) );
159  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2_2, a_2_2_3, a_2_2_2_3, COMP_CPP) );
160  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2_2, a_2_2_3_3, a_2_2_2_3_3, COMP_CPP) );
161  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2_2_2, a_2_2_2, a_2_2_2, COMP_CPP) );
162  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2_2_2, a_2_2_2_3, a_2_2_2_3, COMP_CPP) );
163  INTREPID_TEST_COMMAND( fst::integrate<double>(a_2_2_2, a_2_2_2_3_3, a_2_2_2_3_3, COMP_CPP) );
164 
165  *outStream << "\n >>>>> TESTING operatorIntegral:\n";
166  INTREPID_TEST_COMMAND( fst::operatorIntegral<double>(a_2_2_2, a_2_2, a_2_2_2, COMP_CPP) );
167  INTREPID_TEST_COMMAND( fst::operatorIntegral<double>(a_2_2_2, a_2_2_2, a_2_2_2, COMP_CPP) );
168  INTREPID_TEST_COMMAND( fst::operatorIntegral<double>(a_2_2_2, a_2_2_2_3, a_2_2_2_3, COMP_CPP) );
169  INTREPID_TEST_COMMAND( fst::operatorIntegral<double>(a_2_2_2, a_2_2_2_3_3, a_2_2_2_3_3, COMP_CPP) );
170 
171  *outStream << "\n >>>>> TESTING functionalIntegral:\n";
172  INTREPID_TEST_COMMAND( fst::functionalIntegral<double>(a_2_2, a_2_2_2_3_3, a_2_2_2, COMP_CPP) );
173  INTREPID_TEST_COMMAND( fst::functionalIntegral<double>(a_2_2, a_2_2, a_2_2_2, COMP_CPP) );
174  INTREPID_TEST_COMMAND( fst::functionalIntegral<double>(a_2_2, a_2_2_3, a_2_2_2_3, COMP_CPP) );
175  INTREPID_TEST_COMMAND( fst::functionalIntegral<double>(a_2_2, a_2_2_3_3, a_2_2_2_3_3, COMP_CPP) );
176 
177  *outStream << "\n >>>>> TESTING dataIntegral:\n";
178  INTREPID_TEST_COMMAND( fst::dataIntegral<double>(a_2, a_2, a_2_2_2, COMP_CPP) );
179  INTREPID_TEST_COMMAND( fst::dataIntegral<double>(a_2, a_2_2, a_2_2, COMP_CPP) );
180  INTREPID_TEST_COMMAND( fst::dataIntegral<double>(a_2, a_2_2_3, a_2_2_3, COMP_CPP) );
181  INTREPID_TEST_COMMAND( fst::dataIntegral<double>(a_2, a_2_2_3_3, a_2_2_3_3, COMP_CPP) );
182 
183  *outStream << "\n >>>>> TESTING applyLeftFieldSigns:\n";
184  INTREPID_TEST_COMMAND( fst::applyLeftFieldSigns<double>(a_2, a_2) );
185  INTREPID_TEST_COMMAND( fst::applyLeftFieldSigns<double>(a_2_2_2, a_2) );
186  INTREPID_TEST_COMMAND( fst::applyLeftFieldSigns<double>(a_2_2_2, a_3_2) );
187  INTREPID_TEST_COMMAND( fst::applyLeftFieldSigns<double>(a_2_2_2, a_2_3) );
188  INTREPID_TEST_COMMAND( fst::applyLeftFieldSigns<double>(a_2_2_2, a_2_2) );
189 
190  *outStream << "\n >>>>> TESTING applyRightFieldSigns:\n";
191  INTREPID_TEST_COMMAND( fst::applyRightFieldSigns<double>(a_2, a_2) );
192  INTREPID_TEST_COMMAND( fst::applyRightFieldSigns<double>(a_2_2_2, a_2) );
193  INTREPID_TEST_COMMAND( fst::applyRightFieldSigns<double>(a_2_2_2, a_3_2) );
194  INTREPID_TEST_COMMAND( fst::applyRightFieldSigns<double>(a_2_2_2, a_2_3) );
195  INTREPID_TEST_COMMAND( fst::applyRightFieldSigns<double>(a_2_2_2, a_2_2) );
196 
197  *outStream << "\n >>>>> TESTING applyFieldSigns:\n";
198  INTREPID_TEST_COMMAND( fst::applyFieldSigns<double>(a_2, a_2) );
199  INTREPID_TEST_COMMAND( fst::applyFieldSigns<double>(a_2_2, a_2) );
200  INTREPID_TEST_COMMAND( fst::applyFieldSigns<double>(a_2_2, a_3_2) );
201  INTREPID_TEST_COMMAND( fst::applyFieldSigns<double>(a_2_2, a_2_3) );
202  INTREPID_TEST_COMMAND( fst::applyFieldSigns<double>(a_2_2_2_3_3, a_2_2) );
203 
204  *outStream << "\n >>>>> TESTING evaluate:\n";
205  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2, a_2, a_2_2) );
206  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2, a_2, a_2_2_2_3_3) );
207  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2, a_2_2, a_2_2_2_3_3) );
208  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2_2_3_3, a_3_2, a_2_2_2_3_3) );
209  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2_2_3_3, a_2_3, a_2_2_2_3_3) );
210  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_3_2_2_2, a_2_2, a_2_2_2_2_2) );
211  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2_3_2_2, a_2_2, a_2_2_2_2_2) );
212  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2_2_3_2, a_2_2, a_2_2_2_2_2) );
213  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2_2_2_3, a_2_2, a_2_2_2_2_2) );
214  INTREPID_TEST_COMMAND( fst::evaluate<double>(a_2_2_2_2, a_2_2, a_2_2_2_2_2) );
215 #endif
216  }
217  catch (std::logic_error err) {
218  *outStream << "UNEXPECTED ERROR !!! ----------------------------------------------------------\n";
219  *outStream << err.what() << '\n';
220  *outStream << "-------------------------------------------------------------------------------" << "\n\n";
221  errorFlag = -1000;
222  };
223 
224 #ifdef HAVE_INTREPID_DEBUG
225  if (Teuchos::TestForException_getThrowNumber() != endThrowNumber)
226  errorFlag++;
227 #endif
228 
229  *outStream \
230  << "\n"
231  << "===============================================================================\n"\
232  << "| TEST 2: correctness of math operations |\n"\
233  << "===============================================================================\n";
234 
235  outStream->precision(20);
236 
237  try {
238  // cell type: tet
239  shards::CellTopology cellType = shards::getCellTopologyData< shards::Tetrahedron<> >();
240 
241  /* Related to cubature. */
242  // create cubature factory
244  // cubature degree
245  int cubDegree = 2;
246  // create default cubature
247  Teuchos::RCP<Cubature<double, FieldContainer<double, 1>, FieldContainer<double, 2> > > myCub = cubFactory.create(cellType, cubDegree);
248  // get spatial dimension
249  int spaceDim = myCub->getDimension();
250  // get number of cubature points
251  int numCubPoints = myCub->getNumPoints();
252 
253  /* Related to basis. */
254  // create tet basis
256  // get basis cardinality
257  int numFields = tetBasis.getCardinality();
258 
259  /* Cell geometries. */
260  int numCells = 4;
261  int numNodes = 4;
262  int numCellData = numCells*numNodes*spaceDim;
263  double tetnodes[] = {
264  // tet 0
265  0.0, 0.0, 0.0,
266  1.0, 0.0, 0.0,
267  0.0, 1.0, 0.0,
268  0.0, 0.0, 1.0,
269  // tet 1
270  4.0, 5.0, 1.0,
271  -6.0, 2.0, 0.0,
272  4.0, -3.0, -1.0,
273  0.0, 2.0, 5.0,
274  // tet 2
275  -6.0, -3.0, 1.0,
276  9.0, 2.0, 1.0,
277  8.9, 2.1, 0.9,
278  8.9, 2.1, 1.1,
279  // tet 3
280  -6.0, -3.0, 1.0,
281  12.0, 3.0, 1.0,
282  2.9, 0.1, 0.9,
283  2.9, 0.1, 1.1
284  };
285 
286  /* Computational arrays. */
287  FieldContainer<double, 1> cub_points(numCubPoints, spaceDim);
288  FieldContainer<double, 2> cub_weights(numCubPoints);
289  FieldContainer<double, 3> cell_nodes(numCells, numNodes, spaceDim);
290  FieldContainer<double, 4> jacobian(numCells, numCubPoints, spaceDim, spaceDim);
291  FieldContainer<double, 5> jacobian_inv(numCells, numCubPoints, spaceDim, spaceDim);
292  FieldContainer<double, 6> jacobian_det(numCells, numCubPoints);
293  FieldContainer<double, 7> weighted_measure(numCells, numCubPoints);
294 
295  FieldContainer<double, 1> grad_of_basis_at_cub_points(numFields, numCubPoints, spaceDim);
296  FieldContainer<double, 9> transformed_grad_of_basis_at_cub_points(numCells, numFields, numCubPoints, spaceDim);
297  FieldContainer<double, 10> weighted_transformed_grad_of_basis_at_cub_points(numCells, numFields, numCubPoints, spaceDim);
298  FieldContainer<double, 11> stiffness_matrices(numCells, numFields, numFields);
299 
300  FieldContainer<double, 1> value_of_basis_at_cub_points(numFields, numCubPoints);
301  FieldContainer<double, 13> transformed_value_of_basis_at_cub_points(numCells, numFields, numCubPoints);
302  FieldContainer<double, 14> weighted_transformed_value_of_basis_at_cub_points(numCells, numFields, numCubPoints);
303  FieldContainer<double, 15> mass_matrices(numCells, numFields, numFields);
304 
305  /******************* START COMPUTATION ***********************/
306 
307  // get cubature points and weights
308  myCub->getCubature(cub_points, cub_weights);
309 
310  // fill cell vertex array
311  cell_nodes.setValues(tetnodes, numCellData);
312 
313  // compute geometric cell information
314  CellTools<double>::setJacobian(jacobian, cub_points, cell_nodes, cellType);
315  CellTools<double>::setJacobianInv(jacobian_inv, jacobian);
316  CellTools<double>::setJacobianDet(jacobian_det, jacobian);
317 
318  // compute weighted measure
319  fst::computeCellMeasure<double>(weighted_measure, jacobian_det, cub_weights);
320 
321  // Computing stiffness matrices:
322  // tabulate gradients of basis functions at (reference) cubature points
323  tetBasis.getValues(grad_of_basis_at_cub_points, cub_points, OPERATOR_GRAD);
324 
325  // transform gradients of basis functions
326  fst::HGRADtransformGRAD<double>(transformed_grad_of_basis_at_cub_points,
327  jacobian_inv,
328  grad_of_basis_at_cub_points);
329 
330  // multiply with weighted measure
331  fst::multiplyMeasure<double>(weighted_transformed_grad_of_basis_at_cub_points,
332  weighted_measure,
333  transformed_grad_of_basis_at_cub_points);
334 
335  // compute stiffness matrices
336  fst::integrate<double>(stiffness_matrices,
337  transformed_grad_of_basis_at_cub_points,
338  weighted_transformed_grad_of_basis_at_cub_points,
339  COMP_CPP);
340 
341 
342  // Computing mass matrices:
343  // tabulate values of basis functions at (reference) cubature points
344  tetBasis.getValues(value_of_basis_at_cub_points, cub_points, OPERATOR_VALUE);
345 
346  // transform values of basis functions
347  fst::HGRADtransformVALUE<double>(transformed_value_of_basis_at_cub_points,
348  value_of_basis_at_cub_points);
349 
350  // multiply with weighted measure
351  fst::multiplyMeasure<double>(weighted_transformed_value_of_basis_at_cub_points,
352  weighted_measure,
353  transformed_value_of_basis_at_cub_points);
354 
355  // compute mass matrices
356  fst::integrate<double>(mass_matrices,
357  transformed_value_of_basis_at_cub_points,
358  weighted_transformed_value_of_basis_at_cub_points,
359  COMP_CPP);
360 
361  /******************* STOP COMPUTATION ***********************/
362 
363 
364  /******************* START COMPARISON ***********************/
365  string basedir = "./testdata";
366  for (int cell_id = 0; cell_id < numCells; cell_id++) {
367 
368  stringstream namestream;
369  string filename;
370  namestream << basedir << "/mass_TET_FEM_P1" << "_" << "0" << cell_id+1 << ".dat";
371  namestream >> filename;
372 
373  ifstream massfile(&filename[0]);
374  if (massfile.is_open()) {
375  if (compareToAnalytic<double>(&mass_matrices(cell_id, 0, 0), massfile, 1e-10, 0) > 0)
376  errorFlag++;
377  massfile.close();
378  }
379  else {
380  errorFlag = -1;
381  std::cout << "End Result: TEST FAILED\n";
382  return errorFlag;
383  }
384 
385  namestream.clear();
386  namestream << basedir << "/stiff_TET_FEM_P1" << "_" << "0" << cell_id+1 << ".dat";
387  namestream >> filename;
388 
389  ifstream stifffile(&filename[0]);
390  if (stifffile.is_open())
391  {
392  if (compareToAnalytic<double>(&stiffness_matrices(cell_id, 0, 0), stifffile, 1e-10, 0) > 0)
393  errorFlag++;
394  stifffile.close();
395  }
396  else {
397  errorFlag = -1;
398  std::cout << "End Result: TEST FAILED\n";
399  return errorFlag;
400  }
401 
402  }
403 
404  /******************* STOP COMPARISON ***********************/
405 
406  *outStream << "\n";
407  }
408  catch (std::logic_error err) {
409  *outStream << "UNEXPECTED ERROR !!! ----------------------------------------------------------\n";
410  *outStream << err.what() << '\n';
411  *outStream << "-------------------------------------------------------------------------------" << "\n\n";
412  errorFlag = -1000;
413  };
414 
415 
416  if (errorFlag != 0)
417  std::cout << "End Result: TEST FAILED\n";
418  else
419  std::cout << "End Result: TEST PASSED\n";
420 
421  // reset format state of std::cout
422  std::cout.copyfmt(oldFormatState);
423 
424  return errorFlag;
425 }
virtual int getCardinality() const
Returns cardinality of the basis.
Header file for the Intrepid::CellTools class.
Header file for utility class to provide multidimensional containers.
Defines expert-level interfaces for the evaluation of functions and operators in physical space (supp...
void getValues(ArrayScalar &outputValues, const ArrayScalar &inputPoints, const EOperator operatorType) const
FEM basis evaluation on a reference Tetrahedron cell.
Intrepid utilities.
Header file for the abstract base class Intrepid::DefaultCubatureFactory.
Implementation of a templated lexicographical container for a multi-indexed scalar quantity...
Header file for the Intrepid::FunctionSpaceTools class.
A factory class that generates specific instances of cubatures.
A stateless class for operations on cell data. Provides methods for:
Implementation of the default H(grad)-compatible FEM basis of degree 1 on Tetrahedron cell...