MathLib::SetMatrixSparsity< LisMatrix, SPARSITY_PATTERN > Struct Template Reference

Detailed Description

template<typename SPARSITY_PATTERN>
struct MathLib::SetMatrixSparsity< LisMatrix, SPARSITY_PATTERN >

Sets the sparsity pattern of the underlying LisMatrix.

Definition at line 189 of file LisMatrix.h.

#include <LisMatrix.h>

Public Member Functions
void	operator() (LisMatrix &matrix, SPARSITY_PATTERN const &sparsity_pattern) const

Member Function Documentation

operator()()

template<typename SPARSITY_PATTERN >

void MathLib::SetMatrixSparsity< LisMatrix, SPARSITY_PATTERN >::operator() ( LisMatrix &  matrix, SPARSITY_PATTERN const &  sparsity_pattern  ) const

inline

Definition at line 191 of file LisMatrix.h.

{
    auto const n_rows = matrix.getNumberOfRows();
    std::vector<LisMatrix::IndexType> row_sizes;
    row_sizes.reserve(n_rows);
 
    // LIS needs 1 more entry, otherwise it starts reallocating arrays.
    transform(cbegin(sparsity_pattern), cend(sparsity_pattern),
              back_inserter(row_sizes), [](auto const i) { return i + 1; });
 
    int ierr = lis_matrix_malloc(matrix.AA_, 0, row_sizes.data());
    checkLisError(ierr);
}

References MathLib::LisMatrix::AA_, MathLib::checkLisError(), and MathLib::LisMatrix::getNumberOfRows().

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The documentation for this struct was generated from the following file:

• MathLib/LinAlg/Lis/LisMatrix.h