elpa1_impl Module Reference

Fortran module which provides the routines to use the one-stage ELPA solver. More...

Functions/Subroutines
integer function, public	elpa_get_communicators_impl (mpi_comm_global, my_prow, my_pcol, mpi_comm_rows, mpi_comm_cols)

Detailed Description

Fortran module which provides the routines to use the one-stage ELPA solver.

Function/Subroutine Documentation

elpa_get_communicators_impl()

integer function, public elpa1_impl::elpa_get_communicators_impl	(	integer(kind=c_int), intent(in)	mpi_comm_global,
		integer(kind=c_int), intent(in)	my_prow,
		integer(kind=c_int), intent(in)	my_pcol,
		integer(kind=c_int), intent(out)	mpi_comm_rows,
		integer(kind=c_int), intent(out)	mpi_comm_cols
	)

Parameters

mpi_comm_global	Global communicator for the calculations (in)
my_prow	Row coordinate of the calling process in the process grid (in)
my_pcol	Column coordinate of the calling process in the process grid (in)
mpi_comm_rows	Communicator for communicating within rows of processes (out)
mpi_comm_cols	Communicator for communicating within columns of processes (out)

Returns

mpierr integer error value of mpi_comm_split function