Working-precision kind selection (half/single/double) and corresponding MPI datatype parameters. More...

Variables
integer, parameter	half_precision = 2
	selected_real_kind(3, 4)
integer, parameter	single_precision = selected_real_kind(6, 37)
integer, parameter	double_precision = selected_real_kind(15, 307)
integer, parameter	hp = half_precision
integer, parameter	sp = single_precision
integer, parameter	dp = double_precision
integer, parameter	wp = single_precision
	Change to single_precision if needed.
integer, parameter	stp = half_precision
integer, parameter	mpi_p = merge(MPI_DOUBLE_PRECISION, MPI_REAL, wp == double_precision)
	Default value when MPI is not used.
integer, parameter	mpi_2p = merge(MPI_2DOUBLE_PRECISION, MPI_2REAL, wp == double_precision)
integer, parameter	mpi_io_p = merge(MPI_BYTE, mpi_p, stp == half_precision)
integer, parameter	mpi_io_type = merge(2, 1, stp == half_precision)

Detailed Description

Working-precision kind selection (half/single/double) and corresponding MPI datatype parameters.

Variable Documentation

◆ double_precision

integer, parameter m_precision_select::double_precision = selected_real_kind(15, 307)

Definition at line 18 of file m_precision_select.f90.

◆ dp

integer, parameter m_precision_select::dp = double_precision

Definition at line 21 of file m_precision_select.f90.

◆ half_precision

integer, parameter m_precision_select::half_precision = 2

selected_real_kind(3, 4)

Definition at line 16 of file m_precision_select.f90.

◆ hp

integer, parameter m_precision_select::hp = half_precision

Definition at line 19 of file m_precision_select.f90.

◆ mpi_2p

integer parameter m_precision_select::mpi_2p = merge(MPI_2DOUBLE_PRECISION, MPI_2REAL, wp == double_precision)

Definition at line 40 of file m_precision_select.f90.

◆ mpi_io_p

integer parameter m_precision_select::mpi_io_p = merge(MPI_BYTE, mpi_p, stp == half_precision)

Definition at line 41 of file m_precision_select.f90.

◆ mpi_io_type

integer parameter m_precision_select::mpi_io_type = merge(2, 1, stp == half_precision)

Definition at line 43 of file m_precision_select.f90.

◆ mpi_p

integer parameter m_precision_select::mpi_p = merge(MPI_DOUBLE_PRECISION, MPI_REAL, wp == double_precision)

Default value when MPI is not used.

Definition at line 39 of file m_precision_select.f90.

◆ single_precision

integer, parameter m_precision_select::single_precision = selected_real_kind(6, 37)

Definition at line 17 of file m_precision_select.f90.

◆ sp

integer, parameter m_precision_select::sp = single_precision

Definition at line 20 of file m_precision_select.f90.

◆ stp

integer parameter m_precision_select::stp = half_precision

Definition at line 32 of file m_precision_select.f90.

◆ wp

integer parameter m_precision_select::wp = single_precision

Change to single_precision if needed.

Definition at line 25 of file m_precision_select.f90.

Variables