laplacian.c File Reference

#include "common.h"
#include "spm_drivers.h"
#include "drivers/laplacian.h"

Go to the source code of this file.

Functions
static void	laplacian_usage (void)
	Print the usage information to generate correct Laplacian matrices.
int	genLaplacian (const char *filename, spmatrix_t *spm)
	Generate a Laplacian of size spm->n.
int	genExtendedLaplacian (const char *filename, spmatrix_t *spm)
	Generate a extended Laplacian of size spm->n.
SPM driver
int	spmParseLaplacianInfo (const char *filename, spm_coeftype_t *flttype, spm_int_t *dim1, spm_int_t *dim2, spm_int_t *dim3, double *alpha, double *beta, spm_int_t *dof)
	Parse information given through the filename string to configure the laplacian matrix to generate.

Variables
static void(*	laplacian_7points [6])(spmatrix_t *, spm_int_t, spm_int_t, spm_int_t, spm_fixdbl_t, spm_fixdbl_t)
	Pointers to the 7 points Laplacian generator functions.
static void(*	laplacian_27points [6])(spmatrix_t *, spm_int_t, spm_int_t, spm_int_t, spm_fixdbl_t, spm_fixdbl_t)
	Pointers to the 27 points Laplacian generator functions.

Detailed Description

Copyright

2011-2024 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version

1.2.4

Author

Mathieu Faverge

Pierre Ramet

Tony Delarue

Gregoire Pichon

Date

2024-05-29

Definition in file laplacian.c.

Function Documentation

laplacian_usage()

static void laplacian_usage ( void  )

static

Print the usage information to generate correct Laplacian matrices.

Definition at line 27 of file laplacian.c.

Referenced by spmParseLaplacianInfo().

genLaplacian()

int genLaplacian	(	const char *	filename,
		spmatrix_t *	spm
	)

Generate a Laplacian of size spm->n.

Parameters

[in]	filename	Configuration string of the Laplacian. [type:]dim1[:dim2[:dim3]] type p = pattern only " s = real simple\n" d = real double [default] " c = complex simple\n" z = complex double " dim1 size of the first dimension of the 1D|2D|3D laplacian\n" dim2 size of the second dimension of the 2D|3D laplacian " dim3 size of the third dimension of the 3D laplacian\n"
[in,out]	spm	At start, an allocated spm structure. At exit, contains a laplacian matrix in the spm format.

Return values

SPM_SUCCESS	if the matrix has been generated successfully
SPM_ERR_BADPARAMETER	if the configuration string is incorrect

Definition at line 291 of file laplacian.c.

References spmatrix_s::dof, spmatrix_s::flttype, spmatrix_s::gN, laplacian_7points, SPM_SUCCESS, spmDofExtend(), spmExit(), spmParseLaplacianInfo(), and spmUpdateComputedFields().

Referenced by spm_read_driver().

genExtendedLaplacian()

int genExtendedLaplacian	(	const char *	filename,
		spmatrix_t *	spm
	)

Generate a extended Laplacian of size spm->n.

Parameters

[in]	filename	Configuration string of the Laplacian. [type:]dim1[:dim2[:dim3]] type p = pattern only s = real simple d = real double [default] c = complex simple z = complex double dim1 size of the first dimension of the 1D|2D|3D laplacian dim2 size of the second dimension of the 2D|3D laplacian dim3 size of the third dimension of the 3D laplacian
[in,out]	spm	At start, an allocated spm structure. At exit, contains a laplacian matrix in the spm format.

Return values

SPM_SUCCESS	if the matrix has been generated successfully
SPM_ERR_BADPARAMETER	if the configuration string is incorrect

Definition at line 367 of file laplacian.c.

References spmatrix_s::dof, spmatrix_s::flttype, spmatrix_s::gN, laplacian_27points, SPM_ERR_UNKNOWN, SPM_SUCCESS, spmDofExtend(), spmExit(), spmParseLaplacianInfo(), and spmUpdateComputedFields().

Referenced by spm_read_driver().

Variable Documentation

laplacian_7points

void(* laplacian_7points[6])(spmatrix_t *, spm_int_t, spm_int_t, spm_int_t, spm_fixdbl_t, spm_fixdbl_t) ( spmatrix_t *  , spm_int_t  , spm_int_t  , spm_int_t  , spm_fixdbl_t  , spm_fixdbl_t    )

static

Initial value:

=
{
    p_spmLaplacian_7points,
    NULL,
    s_spmLaplacian_7points,
    d_spmLaplacian_7points,
    c_spmLaplacian_7points,
    z_spmLaplacian_7points
}

Pointers to the 7 points Laplacian generator functions.

Definition at line 234 of file laplacian.c.

Referenced by genLaplacian().

laplacian_27points

void(* laplacian_27points[6])(spmatrix_t *, spm_int_t, spm_int_t, spm_int_t, spm_fixdbl_t, spm_fixdbl_t) ( spmatrix_t *  , spm_int_t  , spm_int_t  , spm_int_t  , spm_fixdbl_t  , spm_fixdbl_t    )

static

Initial value:

=
{
    p_spmLaplacian_27points,
    NULL,
    s_spmLaplacian_27points,
    d_spmLaplacian_27points,
    c_spmLaplacian_27points,
    z_spmLaplacian_27points
}

Pointers to the 27 points Laplacian generator functions.

Definition at line 249 of file laplacian.c.

Referenced by genExtendedLaplacian().