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Commit 0293e88f authored by Andreas Marek's avatar Andreas Marek
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Use iso_c_binding for types in module ELPA1

parent 4589d059
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src/elpa1.F90
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......@@ -82,7 +82,7 @@
!> \brief Fortran module which provides the routines to use the one-stage ELPA solver
module ELPA1
use, intrinsic :: iso_c_binding, only : c_double
use, intrinsic :: iso_c_binding
use elpa_utilities
use elpa1_auxiliary
......@@ -287,14 +287,15 @@ contains
function get_elpa_communicators(mpi_comm_global, my_prow, my_pcol, mpi_comm_rows, mpi_comm_cols) result(mpierr)
use precision
! use precision
use elpa_mpi
use iso_c_binding
implicit none
integer(kind=ik), intent(in) :: mpi_comm_global, my_prow, my_pcol
integer(kind=ik), intent(out) :: mpi_comm_rows, mpi_comm_cols
integer(kind=c_int), intent(in) :: mpi_comm_global, my_prow, my_pcol
integer(kind=c_int), intent(out) :: mpi_comm_rows, mpi_comm_cols
integer(kind=ik) :: mpierr
integer(kind=c_int) :: mpierr
! mpi_comm_rows is used for communicating WITHIN rows, i.e. all processes
! having the same column coordinate share one mpi_comm_rows.
......@@ -343,29 +344,28 @@ end function get_elpa_communicators
#define DOUBLE_PRECISION_REAL 1
#define DOUBLE_PRECISION_COMPLEX 1
#define REAL_DATATYPE rk8
#define COMPLEX_DATATYPE ck4
#define REAL_DATATYPE c_double
#define COMPLEX_DATATYPE c_float
function solve_evp_real_1stage_double(na, nev, a, lda, ev, q, ldq, nblk, &
matrixCols, mpi_comm_rows, mpi_comm_cols) result(success)
use precision
use iso_c_binding
#ifdef HAVE_DETAILED_TIMINGS
use timings
#endif
use iso_c_binding
use elpa_mpi
use elpa1_compute
implicit none
integer(kind=ik), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
real(kind=REAL_DATATYPE) :: ev(na)
integer(kind=c_int), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
real(kind=REAL_DATATYPE) :: ev(na)
#ifdef USE_ASSUMED_SIZE
real(kind=REAL_DATATYPE) :: a(lda,*), q(ldq,*)
#else
real(kind=REAL_DATATYPE) :: a(lda,matrixCols), q(ldq,matrixCols)
#endif
integer(kind=ik) :: my_prow, my_pcol, mpierr
integer(kind=c_int) :: my_prow, my_pcol, mpierr
real(kind=REAL_DATATYPE), allocatable :: e(:), tau(:)
real(kind=c_double) :: ttt0, ttt1 ! MPI_WTIME always needs double
logical :: success
......@@ -440,8 +440,8 @@ end function solve_evp_real_1stage_double
#ifdef WANT_SINGLE_PRECISION_REAL
#undef DOUBLE_PRECISION_REAL
#undef DOUBLE_PRECISION_COMPLEX
#define REAL_DATATYPE rk4
#define COMPLEX_DATATYPE CK4
#define REAL_DATATYPE c_float
#define COMPLEX_DATATYPE c_float
!> \brief solve_evp_real_1stage_single: Fortran function to solve the real single-precision eigenvalue problem with 1-stage solver
!>
! Parameters
......@@ -479,7 +479,6 @@ end function solve_evp_real_1stage_double
function solve_evp_real_1stage_single(na, nev, a, lda, ev, q, ldq, nblk, matrixCols, &
mpi_comm_rows, mpi_comm_cols) result(success)
use precision
#ifdef HAVE_DETAILED_TIMINGS
use timings
#endif
......@@ -488,7 +487,7 @@ function solve_evp_real_1stage_single(na, nev, a, lda, ev, q, ldq, nblk, matrixC
use elpa1_compute
implicit none
integer(kind=ik), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
integer(kind=c_int), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
real(kind=REAL_DATATYPE) :: ev(na)
#ifdef USE_ASSUMED_SIZE
real(kind=REAL_DATATYPE) :: a(lda,*), q(ldq,*)
......@@ -496,7 +495,7 @@ function solve_evp_real_1stage_single(na, nev, a, lda, ev, q, ldq, nblk, matrixC
real(kind=REAL_DATATYPE) :: a(lda,matrixCols), q(ldq,matrixCols)
#endif
integer(kind=ik) :: my_prow, my_pcol, mpierr
integer(kind=c_int) :: my_prow, my_pcol, mpierr
real(kind=REAL_DATATYPE), allocatable :: e(:), tau(:)
real(kind=c_double) :: ttt0, ttt1 ! MPI_WTIME always needs double
logical :: success
......@@ -571,8 +570,8 @@ end function solve_evp_real_1stage_single
#define DOUBLE_PRECISION_REAL 1
#define DOUBLE_PRECISION_COMPLEX 1
#define REAL_DATATYPE rk8
#define COMPLEX_DATATYPE ck8
#define REAL_DATATYPE c_double
#define COMPLEX_DATATYPE c_double
!> \brief solve_evp_complex_1stage_double: Fortran function to solve the complex double-precision eigenvalue problem with 1-stage solver
!>
! Parameters
......@@ -612,13 +611,13 @@ function solve_evp_complex_1stage_double(na, nev, a, lda, ev, q, ldq, nblk, matr
#ifdef HAVE_DETAILED_TIMINGS
use timings
#endif
use precision
! use precision
use iso_c_binding
use elpa_mpi
use elpa1_compute
implicit none
integer(kind=ik), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
integer(kind=c_int), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
#ifdef USE_ASSUMED_SIZE
complex(kind=COMPLEX_DATATYPE) :: a(lda,*), q(ldq,*)
#else
......@@ -626,15 +625,15 @@ function solve_evp_complex_1stage_double(na, nev, a, lda, ev, q, ldq, nblk, matr
#endif
real(kind=REAL_DATATYPE) :: ev(na)
integer(kind=ik) :: my_prow, my_pcol, np_rows, np_cols, mpierr
integer(kind=ik) :: l_rows, l_cols, l_cols_nev
integer(kind=c_int) :: my_prow, my_pcol, np_rows, np_cols, mpierr
integer(kind=c_int) :: l_rows, l_cols, l_cols_nev
real(kind=REAL_DATATYPE), allocatable :: q_real(:,:), e(:)
complex(kind=COMPLEX_DATATYPE), allocatable :: tau(:)
real(kind=c_double) :: ttt0, ttt1 ! MPI_WTIME always needs double
logical :: success
logical, save :: firstCall = .true.
logical :: wantDebug
logical :: success
logical, save :: firstCall = .true.
logical :: wantDebug
#ifdef HAVE_DETAILED_TIMINGS
call timer%start("solve_evp_complex_1stage_double")
......@@ -714,8 +713,8 @@ end function solve_evp_complex_1stage_double
#ifdef WANT_SINGLE_PRECISION_COMPLEX
#undef DOUBLE_PRECISION_REAL
#undef DOUBLE_PRECISION_COMPLEX
#define COMPLEX_DATATYPE ck4
#define REAL_DATATYPE rk4
#define COMPLEX_DATATYPE c_float
#define REAL_DATATYPE c_float
!> \brief solve_evp_complex_1stage_single: Fortran function to solve the complex single-precision eigenvalue problem with 1-stage solver
!>
......@@ -757,13 +756,12 @@ function solve_evp_complex_1stage_single(na, nev, a, lda, ev, q, ldq, nblk, matr
#ifdef HAVE_DETAILED_TIMINGS
use timings
#endif
use precision
use iso_c_binding
use elpa_mpi
use elpa1_compute
implicit none
integer(kind=ik), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
integer(kind=c_int), intent(in) :: na, nev, lda, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
#ifdef USE_ASSUMED_SIZE
complex(kind=COMPLEX_DATATYPE) :: a(lda,*), q(ldq,*)
#else
......@@ -771,8 +769,8 @@ function solve_evp_complex_1stage_single(na, nev, a, lda, ev, q, ldq, nblk, matr
#endif
real(kind=REAL_DATATYPE) :: ev(na)
integer(kind=ik) :: my_prow, my_pcol, np_rows, np_cols, mpierr
integer(kind=ik) :: l_rows, l_cols, l_cols_nev
integer(kind=c_int) :: my_prow, my_pcol, np_rows, np_cols, mpierr
integer(kind=c_int) :: l_rows, l_cols, l_cols_nev
real(kind=REAL_DATATYPE), allocatable :: q_real(:,:), e(:)
complex(kind=COMPLEX_DATATYPE), allocatable :: tau(:)
real(kind=c_double) :: ttt0, ttt1 ! MPI_WTIME always needs double
......
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