File: allocmemf90.f90

package info (click to toggle)
mpich 4.3.1-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 249,548 kB
  • sloc: ansic: 1,299,893; cpp: 74,751; f90: 72,164; javascript: 40,763; perl: 27,970; sh: 18,623; python: 15,956; xml: 14,418; makefile: 9,418; fortran: 8,046; java: 4,553; asm: 324; ruby: 176; lisp: 19; php: 8; sed: 4
file content (35 lines) | stat: -rw-r--r-- 855 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
!
! Copyright (C) by Argonne National Laboratory
!     See COPYRIGHT in top-level directory
!

        program main
        use mpi_f08
        use, intrinsic :: iso_c_binding
        real, pointer :: a(:,:)
        integer (kind=MPI_ADDRESS_KIND) asize
        type(c_ptr) cptr

        integer ierr, sizeofreal, errs
        integer i,j
!
        errs = 0
        call mtest_init(ierr)
        call mpi_type_size( MPI_REAL, sizeofreal, ierr )
! Make sure we pass in an integer of the correct type
        asize = sizeofreal * 100 * 100
        call mpi_alloc_mem( asize,MPI_INFO_NULL,cptr,ierr )

        call c_f_pointer(cptr, a, [100, 100])

        do i=1,100
            do j=1,100
                a(i,j) = -1
            enddo
        enddo
        a(3,5) = 10.0

        call mpi_free_mem( a, ierr )
        call mtest_finalize(errs)

        end