blacsgrid.cc File Reference

BlacsGrid class. More...

#include <mpi.h>
#include <cassert>
#include <cstdlib>
#include <iostream>
#include <vector>
#include "mptensor/scalapack/blacsgrid.hpp"

Include dependency graph for blacsgrid.cc:

Namespaces
namespace	mptensor
namespace	mptensor::scalapack
	Namespace for the distributed Matrix class with ScaLAPACK, PBLAS, and BLACS.

Functions
void	Cblacs_pinfo (int *mypnum, int *nprocs)
void	Cblacs_exit (int NotDone)
int	Cblacs_pnum (int ictxt, int prow, int pcol)
int	Cblacs_gridinit (int *ictxt, char *order, int nprow, int npcol)
int	Cblacs_gridinfo (int ictxt, int *nprow, int *npcol, int *myprow, int *mypcol)
int	Csys2blacs_handle (MPI_Comm comm)
MPI_Comm	Cblacs2sys_handle (int ictxt)

Detailed Description

BlacsGrid class.

Author

Satoshi Morita morit.nosp@m.a@is.nosp@m.sp.u-.nosp@m.toky.nosp@m.o.ac..nosp@m.jp

Date

Dec 12 2014

Function Documentation

Cblacs2sys_handle()

MPI_Comm Cblacs2sys_handle

(

int

ictxt

)

Cblacs_exit()

void Cblacs_exit

(

int

NotDone

)

Cblacs_gridinfo()

int Cblacs_gridinfo	(	int	ictxt,
		int *	nprow,
		int *	npcol,
		int *	myprow,
		int *	mypcol
	)

Cblacs_gridinit()

int Cblacs_gridinit	(	int *	ictxt,
		char *	order,
		int	nprow,
		int	npcol
	)

Cblacs_pinfo()

void Cblacs_pinfo	(	int *	mypnum,
		int *	nprocs
	)

Cblacs_pnum()

int Cblacs_pnum	(	int	ictxt,
		int	prow,
		int	pcol
	)

Csys2blacs_handle()

int Csys2blacs_handle

(

MPI_Comm

comm

)