src/matrix_matrix.h File Reference

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Functions
int	poor_man_matrix_matrix (const Epetra_CrsMatrix &A, const Epetra_CrsMatrix &B, Epetra_CrsMatrix &C)
int	poor_man_matrix_matrix_local (const Epetra_CrsMatrix &A, const Epetra_CrsMatrix &B, Epetra_CrsMatrix &C)
int	poor_man_matrix_matrix_local2 (const Epetra_CrsMatrix &A, const Epetra_CrsMatrix &B, Epetra_CrsMatrix &C)
int	poor_man_matrix_matrix_graph (const Epetra_CrsGraph &A, const Epetra_CrsGraph &B, Epetra_CrsGraph &C)
int	transpose_matrix (const Epetra_CrsMatrix &A, Epetra_FECrsMatrix &T)

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Function Documentation

int poor_man_matrix_matrix	(	const Epetra_CrsMatrix &	A,
		const Epetra_CrsMatrix &	B,
		Epetra_CrsMatrix &	C
	)

Matrix-matrix multiplication: C:= A * B.

Definition at line 116 of file matrix_matrix.cpp.

References poor_man_matrix_matrix_local().

Referenced by LinearEigsolvOperators::matrixAssembly(), and QuadraticEigsolvOperators::matrixAssembly().

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int poor_man_matrix_matrix_graph	(	const Epetra_CrsGraph &	A,
		const Epetra_CrsGraph &	B,
		Epetra_CrsGraph &	C
	)

Compute graph of C := A * B.

Definition at line 217 of file matrix_matrix.cpp.

int poor_man_matrix_matrix_local	(	const Epetra_CrsMatrix &	A,
		const Epetra_CrsMatrix &	B,
		Epetra_CrsMatrix &	C
	)

Matrix-matrix multiplication: C:= A * B. Produces correct results only if no off-processor rows of B are needed.

Definition at line 180 of file matrix_matrix.cpp.

Referenced by poor_man_matrix_matrix().

int poor_man_matrix_matrix_local2	(	const Epetra_CrsMatrix &	A,
		const Epetra_CrsMatrix &	B,
		Epetra_CrsMatrix &	C
	)

Matrix-matrix multiplication: C:= A * B. Note: This function assumes that the non-zero entries of C already exist. Note: Produces correct results only if no off-processor rows of B are needed.

Definition at line 253 of file matrix_matrix.cpp.

int transpose_matrix	(	const Epetra_CrsMatrix &	A,
		Epetra_FECrsMatrix &	T
	)

Transpose matrix.

Builds an explicit transpose T of matrix A.

Definition at line 298 of file matrix_matrix.cpp.

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