C++ TerminationCriterion::add_absolute_vertex_movement方法代码示例

void TerminationCriterionTest::test_vertex_movement_common( bool absolute )
{
  MsqPrintError err(std::cout);
  PatchData pd;
  create_twelve_hex_patch( pd, err );
  ASSERT_NO_ERROR(err);
 
  const double LIMIT = 1e-4;
  TerminationCriterion tc;
  if (absolute)
    tc.add_absolute_vertex_movement( LIMIT );
  else
    tc.add_relative_vertex_movement( LIMIT );

  tc.reset_inner( pd, ofEval, err );
  ASSERT_NO_ERROR(err);
  tc.reset_patch( pd, err );
  ASSERT_NO_ERROR(err);
  CPPUNIT_ASSERT(!tc.terminate());

  const double FIRST_STEP=10.0;
    // move a vertex by 10 units and check that it did not meet criterion
  pd.move_vertex( Vector3D(FIRST_STEP,0,0), 0, err );
  ASSERT_NO_ERROR(err);
  tc.accumulate_inner( pd, 0.0, 0, err );
  ASSERT_NO_ERROR(err);
  tc.accumulate_patch( pd, err );
  ASSERT_NO_ERROR(err);
  CPPUNIT_ASSERT(!tc.terminate());
  
  double test_limit = LIMIT;
  if (!absolute)
    test_limit *= FIRST_STEP;
    
  int idx = 0;
  for (double step = FIRST_STEP; step > test_limit; step *= 0.09) {
    idx = (idx + 1) % pd.num_free_vertices();
    pd.move_vertex( Vector3D(step,0,0), idx, err );
    ASSERT_NO_ERROR(err);
    
    tc.accumulate_inner( pd, 0.0, 0, err );
    ASSERT_NO_ERROR(err);
    tc.accumulate_patch( pd, err );
    ASSERT_NO_ERROR(err);
    CPPUNIT_ASSERT(!tc.terminate());
  }
  
  idx = (idx + 1) % pd.num_free_vertices();
  pd.move_vertex( Vector3D(0.5*test_limit,0,0), idx, err );
  ASSERT_NO_ERROR(err);

  tc.accumulate_inner( pd, 0.0, 0, err );
  ASSERT_NO_ERROR(err);
  tc.accumulate_patch( pd, err );
  ASSERT_NO_ERROR(err);
  CPPUNIT_ASSERT(tc.terminate());
}

int main( int argc, char* argv[] )
{
  parse_options( argv, argc );
  
  MeshImpl mesh;
  XYRectangle domain( max_x - min_x, max_y - min_y, min_x, min_y );
  MsqError err;
  
  create_input_mesh( input_x, mesh, err );
  if (MSQ_CHKERR(err)) { std::cerr << err << std::endl; return 2; }
  
  domain.setup( &mesh, err );
  if (MSQ_CHKERR(err)) { std::cerr << err << std::endl; return 2; }
  
  QualityMetric* metric = 0;
  if (mMetric == 'c')
    metric = new ConditionNumberQualityMetric;
  else
    metric = new IdealWeightInverseMeanRatio;
  
  LPtoPTemplate function( 1, metric );
  
  VertexMover* solver = 0;
  if (mSolver == 'j')
    solver = new ConjugateGradient( &function );
  else
    solver = new FeasibleNewton( &function );
    
  if (PatchSetUser* psu = dynamic_cast<PatchSetUser*>(solver)) 
    psu->use_global_patch();
  
  TerminationCriterion inner;
  inner.add_absolute_vertex_movement( 1e-4 );
  inner.write_mesh_steps( "synchronous", TerminationCriterion::GNUPLOT );
  solver->set_inner_termination_criterion( &inner );  
  
  InstructionQueue q;
  QualityAssessor qa( metric, 10 );
  q.add_quality_assessor( &qa, err );
  q.set_master_quality_improver( solver, err );
  q.add_quality_assessor( &qa, err );
  MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, &domain);
  q.run_instructions( &mesh_and_domain, err );
  delete solver;
  delete metric;
  
  if (MSQ_CHKERR(err)) 
    { std::cerr << err << std::endl; return 3; }
    
  mesh.write_vtk( outputFile, err );
  if (MSQ_CHKERR(err)) 
    { std::cerr << err << std::endl; return 2; }
  
  return 0;
}

void run_test( Grouping grouping, int of_power, Weight w, const string filename )
{
    MsqError err;

    IdentityTarget target;
    TSquared target_metric;
    AffineMapMetric qual_metric( &target, &target_metric );
    ElementPMeanP elem_metric( of_power, &qual_metric );
    QualityMetric* qm_ptr = (grouping == ELEMENT) ? (QualityMetric*)&elem_metric : (QualityMetric*)&qual_metric;

    PMeanPTemplate OF( of_power, qm_ptr );
    ConjugateGradient solver( &OF );
    TerminationCriterion tc;
    TerminationCriterion itc;
    tc.add_absolute_vertex_movement( 1e-4 );
    itc.add_iteration_limit( 2 );
#ifdef USE_GLOBAL_PATCH
    solver.use_global_patch();
    solver.set_inner_termination_criterion( &tc );
#else
    solver.use_element_on_vertex_patch();
    solver.set_inner_termination_criterion( &itc );
    solver.set_outer_termination_criterion( &tc );
#endif

    MeshImpl mesh, expected_mesh;
    mesh.read_vtk( SRCDIR "/initial.vtk", err );
    CHKERR(err)
//  expected_mesh.read_vtk( (filename + ".vtk").c_str(), err ); CHKERR(err)

    PlanarDomain plane( PlanarDomain::XY );

    MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, &plane);

    MetricWeight mw( &qual_metric );
    InverseMetricWeight imw( &qual_metric );
    WeightReader reader;
    if (w == METRIC) {
        TargetWriter writer( 0, &mw );
        InstructionQueue tq;
        tq.add_target_calculator( &writer, err );
        tq.run_instructions( &mesh_and_domain, err );
        CHKERR(err);
        qual_metric.set_weight_calculator( &reader );
    }
    else if (w == INV_METRIC) {
        TargetWriter writer( 0, &imw );
        InstructionQueue tq;
        tq.add_target_calculator( &writer, err );
        tq.run_instructions( &mesh_and_domain, err );
        CHKERR(err);
        qual_metric.set_weight_calculator( &reader );
    }

    InstructionQueue q;
    q.set_master_quality_improver( &solver, err );
    q.run_instructions( &mesh_and_domain, err );
    CHKERR(err)
    /*
      vector<Mesh::VertexHandle> vemain.cpprts;
      vector<MsqVertex> mesh_coords, expected_coords;
      mesh.get_all_vertices( verts, err ); CHKERR(err)
      mesh_coords.resize(verts.size());
      mesh.vertices_get_coordinates( arrptr(verts), arrptr(mesh_coords), verts.size(), err ); CHKERR(err)
      expected_mesh.get_all_vertices( verts, err ); CHKERR(err)
      expected_coords.resize(verts.size());
      expected_mesh.vertices_get_coordinates( arrptr(verts), arrptr(expected_coords), verts.size(), err ); CHKERR(err)
      if (expected_coords.size() != mesh_coords.size()) {
        cerr << "Invlid expected mesh.  Vertex count doesn't match" << endl;
        exit(1);
      }

      unsigned error_count = 0;
      for (size_t i = 0; i < mesh_coords.size(); ++i)
        if ((expected_coords[i] - mesh_coords[i]).length_squared() > epsilon*epsilon)
          ++error_count;

      if (!error_count)
        cout << filename << " : SUCCESS" << endl;
      else
        cout << filename << " : FAILURE (" << error_count
             << " vertices differ by more than " << epsilon << ")" << endl;
    */
    if (write_results)
        mesh.write_vtk( (filename + ".results.vtk").c_str(), err );
    CHKERR(err)
}