PETScLinearOperator.h¶

Note

The documentation on this page was automatically extracted from the DOLFIN C++ code and may need to be edited or expanded.

class PETScLinearOperator¶

Parent class(es)

PETScBaseMatrix

PETSc version of the GenericLinearOperator Matrix-free interface for the solution of linear systems defined in terms of the action (matrix-vector product) of a linear operator.

explicit PETScLinearOperator(MPI_Comm comm)¶: Constructor

std::size_t size(std::size_t dim) const¶: Return size of given dimension

void mult(const GenericVector &x, GenericVector &y) const¶: Compute matrix-vector product y = Ax

MPI_Comm mpi_comm() const¶: Return MPI communicator

std::string str(bool verbose) const¶: Return informal string representation (pretty-print)

const GenericLinearOperator *wrapper() const¶: Return pointer to wrapper (const version)

GenericLinearOperator *wrapper()¶: Return pointer to wrapper (const version)