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C++ AssemblyOptions::setMaxThreadCount方法代码示例

本文整理汇总了C++中AssemblyOptions::setMaxThreadCount方法的典型用法代码示例。如果您正苦于以下问题:C++ AssemblyOptions::setMaxThreadCount方法的具体用法?C++ AssemblyOptions::setMaxThreadCount怎么用?C++ AssemblyOptions::setMaxThreadCount使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在AssemblyOptions的用法示例。


在下文中一共展示了AssemblyOptions::setMaxThreadCount方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

int main(int argc, char* argv[])
{
    // Process command-line args

    if (argc < 7 || argc % 2 != 1) {
        std::cout << "Solve a Maxwell Dirichlet problem in an exterior domain.\n"
                  << "Usage: " << argv[0]
                  << " <mesh_file> <n_threads> <aca_eps> <solver_tol>"
                  << " <singular_order_increment>"
                  << " [<regular_order_increment_1> <min_relative_distance_1>]"
                  << " [<regular_order_increment_2> <min_relative_distance_2>]"
                  << " [...] <regular_order_increment_n>"
                  << std::endl;
        return 1;
    }
    int maxThreadCount = atoi(argv[2]);
    double acaEps = atof(argv[3]);
    double solverTol = atof(argv[4]);
    int singOrderIncrement = atoi(argv[5]);
    if (acaEps > 1. || acaEps < 0.) {
        std::cout << "Invalid aca_eps: " << acaEps << std::endl;
        return 1;
    }
    if (solverTol > 1. || solverTol < 0.) {
        std::cout << "Invalid solver_tol: " << solverTol << std::endl;
        return 1;
    }

    AccuracyOptionsEx accuracyOptions;
    std::vector<double> maxNormDists;
    std::vector<int> orderIncrements;
    for (int i = 6; i < argc - 1; i += 2) {
        orderIncrements.push_back(atoi(argv[i]));
        maxNormDists.push_back(atof(argv[i + 1]));
    }
    orderIncrements.push_back(atoi(argv[argc - 1]));
    accuracyOptions.setDoubleRegular(maxNormDists, orderIncrements);
    accuracyOptions.setDoubleSingular(singOrderIncrement);
    accuracyOptions.setSingleRegular(2);

    // Load mesh

    GridParameters params;
    params.topology = GridParameters::TRIANGULAR;
    shared_ptr<Grid> grid = GridFactory::importGmshGrid(params, argv[1]);

    // Initialize the space

    RaviartThomas0VectorSpace<BFT> HdivSpace(grid);

    // Set assembly mode and options

    AssemblyOptions assemblyOptions;
    assemblyOptions.setMaxThreadCount(maxThreadCount);
    if (acaEps > 0.) {
        AcaOptions acaOptions;
        acaOptions.eps = acaEps;
        assemblyOptions.switchToAcaMode(acaOptions);
    }

    NumericalQuadratureStrategy<BFT, RT> quadStrategy(accuracyOptions);
    Context<BFT, RT> context(make_shared_from_ref(quadStrategy), assemblyOptions);

    // Construct operators

    BoundaryOperator<BFT, RT> slpOp = maxwell3dSingleLayerBoundaryOperator<BFT>(
                make_shared_from_ref(context),
                make_shared_from_ref(HdivSpace),
                make_shared_from_ref(HdivSpace),
                make_shared_from_ref(HdivSpace),
                k,
                "SLP");
    BoundaryOperator<BFT, RT> dlpOp = maxwell3dDoubleLayerBoundaryOperator<BFT>(
                make_shared_from_ref(context),
                make_shared_from_ref(HdivSpace),
                make_shared_from_ref(HdivSpace),
                make_shared_from_ref(HdivSpace),
                k,
                "DLP");
    BoundaryOperator<BFT, RT> idOp = maxwell3dIdentityOperator<BFT, RT>(
                make_shared_from_ref(context),
                make_shared_from_ref(HdivSpace),
                make_shared_from_ref(HdivSpace),
                make_shared_from_ref(HdivSpace),
                "Id");

    // Construct a grid function representing the Dirichlet data

    GridFunction<BFT, RT> dirichletData(
                make_shared_from_ref(context),
                make_shared_from_ref(HdivSpace),
                make_shared_from_ref(HdivSpace),
                surfaceNormalDependentFunction(DirichletData()));

    dirichletData.exportToVtk(VtkWriter::CELL_DATA, "Dirichlet_data",
                              "input_dirichlet_data_cell");
    dirichletData.exportToVtk(VtkWriter::VERTEX_DATA, "Dirichlet_data",
                              "input_dirichlet_data_vertex");

    // Construct a grid function representing the right-hand side
//.........这里部分代码省略.........
开发者ID:evantwout,项目名称:bempp,代码行数:101,代码来源:maxwell_dirichlet.cpp


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