blacs_matrix.h File Reference

This file contains data types and functions for BLACS formatted distributed matrices. More...

#include <starneig/configuration.h>
#include <starneig/distr_matrix.h>

Go to the source code of this file.

Data Structures
struct	starneig_blacs_descr
	BLACS descriptor. More...

BLACS contexts
typedef int	starneig_blacs_context_t
	BLACS context.
starneig_blacs_context_t	starneig_distr_to_blacs_context (starneig_distr_t distr)
	Convers a data distribution to a BLACS context. More...
starneig_distr_t	starneig_blacs_context_to_distr (starneig_blacs_context_t context)
	Convers a BLACS context to a data distribution. More...
int	starneig_distr_is_blacs_compatible (starneig_distr_t distr)
	Checks whether a data distribution is BLACS compatible. More...
int	starneig_distr_is_compatible_with (starneig_distr_t distr, starneig_blacs_context_t context)
	Checks whether a data distribution is compatible with a given BLACS context. More...

BLACS descriptors
typedef struct starneig_blacs_descr	starneig_blacs_descr_t
	BLACS descriptor.
void	starneig_blacs_create_matrix (int rows, int cols, int row_blksz, int col_blksz, starneig_datatype_t type, starneig_blacs_context_t context, starneig_blacs_descr_t *descr, void **local)
	Creates a BLACS matrix with uninitialized matrix elements. More...
void	starneig_create_blacs_matrix (int rows, int cols, int row_blksz, int col_blksz, starneig_datatype_t type, starneig_blacs_context_t context, starneig_blacs_descr_t *descr, void **local)
	Creates a BLACS matrix with uninitialized matrix elements. Deprecated. More...
void	starneig_blacs_destroy_matrix (starneig_blacs_descr_t *descr, void **local)
	Destroyes a BLACS matrix. More...
void	starneig_destroy_blacs_matrix (starneig_blacs_descr_t *descr, void **local)
	Destroyes a BLACS matrix. Deprecated. More...
void	starneig_distr_matrix_to_blacs_descr (starneig_distr_matrix_t matrix, starneig_blacs_context_t context, starneig_blacs_descr_t *descr, void **local)
	Convers a distributed matrix to a BLACS descriptor and a matching local array. More...
starneig_distr_matrix_t	starneig_blacs_descr_to_distr_matrix (starneig_datatype_t type, starneig_distr_t distr, starneig_blacs_descr_t *descr, void *local)
	Convers a BLACS descriptor and a matching local array to a distributed matrix. More...
int	starneig_distr_matrix_is_blacs_compatible (starneig_distr_matrix_t matrix)
	Checks whether a distributed matrix is BLACS compatible. More...
int	starneig_distr_matrix_is_compatible_with (starneig_distr_matrix_t matrix, starneig_blacs_context_t context)
	Checks whether a distributed matrix is compatible with a given BLACS context. More...

Detailed Description

This file contains data types and functions for BLACS formatted distributed matrices.

Author

Mirko Myllykoski (mirko.nosp@m.m@cs.nosp@m..umu..nosp@m.se), Umeå University