scamac_densemat.h File Reference

Dense matrix manipulation. More...

#include "scamac_error.h"
#include "scamac_defs.h"
#include "scamac_inttypes.h"
#include <complex.h>

Go to the source code of this file.

Functions
ScamacErrorCode	scamac_densemat_alloc (ScamacInt nr, ScamacInt nc, ScamacValType valtype, void **dm)
	Allocate dense matrix. More...
ScamacErrorCode	scamac_densemat_permute_columns (char dir, ScamacInt nr, ScamacInt nc, double *dm, ScamacInt *perm)
ScamacErrorCode	scamac_densemat_permute_rows (char dir, ScamacInt nr, ScamacInt nc, double *dm, ScamacInt *perm)
ScamacErrorCode	scamac_densemat_cplx_permute_rows (char dir, ScamacInt nr, ScamacInt nc, double complex *dm, ScamacInt *perm)

Detailed Description

Dense matrix manipulation.

Author

Andreas Alvermann (University of Greifswald)

Date

June 2018 — today

Note

A dense matrix is simply a pointer to memory. Reasoning: Dense matrices are, as far as we are concerned, always small.

Function Documentation

scamac_densemat_alloc()

ScamacErrorCode scamac_densemat_alloc	(	ScamacInt	nr,
		ScamacInt	nc,
		ScamacValType	valtype,
		void **	dm
	)

Allocate dense matrix.

Note

0 < nr * nc < SCAMAC_INT_MAX/2

scamac_densemat_cplx_permute_rows()

ScamacErrorCode scamac_densemat_cplx_permute_rows	(	char	dir,
		ScamacInt	nr,
		ScamacInt	nc,
		double complex *	dm,
		ScamacInt *	perm
	)

perm: vector nr

scamac_densemat_permute_columns()

ScamacErrorCode scamac_densemat_permute_columns	(	char	dir,
		ScamacInt	nr,
		ScamacInt	nc,
		double *	dm,
		ScamacInt *	perm
	)

dir = 'f/F'orward, 'b/B'ackward perm: vector nc

scamac_densemat_permute_rows()

ScamacErrorCode scamac_densemat_permute_rows	(	char	dir,
		ScamacInt	nr,
		ScamacInt	nc,
		double *	dm,
		ScamacInt *	perm
	)

perm: vector nr