xref: /phasta/phSolver/common/test/phIOread.f (revision 9a6935e58d1bec7fbe804a813bfa0382dfd762c1)
1bc62cfd4SCameron Smith      program readheaderFtn
2bc62cfd4SCameron Smith      use iso_c_binding
3bc62cfd4SCameron Smith      use phio
4bc62cfd4SCameron Smith      use chdir_mod
5bc62cfd4SCameron Smith      include "mpif.h"
6bc62cfd4SCameron Smith
7bc62cfd4SCameron Smith      type :: ptrarr
8bc62cfd4SCameron Smith        real(c_double), pointer :: ptr(:,:)
9bc62cfd4SCameron Smith      end type ptrarr
10bc62cfd4SCameron Smith
11bc62cfd4SCameron Smith      integer :: rank, ierror, two
12bc62cfd4SCameron Smith      type(c_ptr) :: handle
13bc62cfd4SCameron Smith      character(len=30) :: dataDbl, iotype
14bc62cfd4SCameron Smith      character(len=256) :: phrase
15bc62cfd4SCameron Smith      character(len=256), dimension(2) :: dir, fname
16*9a6935e5SKenneth E. Jansen      integer, target, dimension(2) :: nfiles, numpts, ncoords
17bc62cfd4SCameron Smith      real(c_double), allocatable, target :: syncCoords(:,:), posixCoords(:,:)
18*9a6935e5SKenneth E. Jansen      type(ptrarr), target, dimension(2) :: coords
19bc62cfd4SCameron Smith
20bc62cfd4SCameron Smith      call MPI_Init(ierror)
21bc62cfd4SCameron Smith      call MPI_Comm_rank(MPI_COMM_WORLD, rank, ierror)
22bc62cfd4SCameron Smith
23bc62cfd4SCameron Smith      coords(1)%ptr => syncCoords
24bc62cfd4SCameron Smith      coords(2)%ptr => posixCoords
25bc62cfd4SCameron Smith
26bc62cfd4SCameron Smith      phrase = c_char_"co-ordinates"//c_null_char
27bc62cfd4SCameron Smith      dataDbl = c_char_"double"//c_null_char
28bc62cfd4SCameron Smith      iotype =  c_char_"binary"//c_null_char
29bc62cfd4SCameron Smith      two = 2
30bc62cfd4SCameron Smith
31bc62cfd4SCameron Smith      dir(1) = c_char_"4-procs_case-SyncIO-2"//c_null_char
32bc62cfd4SCameron Smith      dir(2) = c_char_"4-procs_case-Posix"//c_null_char
33bc62cfd4SCameron Smith      fname(1) = c_char_"geombc-dat."//c_null_char
34bc62cfd4SCameron Smith      fname(2) = c_char_"geombc.dat."//c_null_char
35bc62cfd4SCameron Smith      nfiles(1) = 2
36bc62cfd4SCameron Smith      nfiles(2) = 1
37bc62cfd4SCameron Smith      do i=1,2
38bc62cfd4SCameron Smith        call chdir(dir(i))
39bc62cfd4SCameron Smith        call MPI_Barrier(MPI_COMM_WORLD, ierror)
40bc62cfd4SCameron Smith        call phio_openfile_read(fname(i), nfiles(i), handle)
41bc62cfd4SCameron Smith        call phio_readheader(handle, phrase, c_loc(numpts),
42bc62cfd4SCameron Smith     &      two, dataDbl, iotype)
43bc62cfd4SCameron Smith        ncoords(i) = numpts(1)*numpts(2)
44bc62cfd4SCameron Smith        allocate( coords(i)%ptr(numpts(1),numpts(2)) )
45bc62cfd4SCameron Smith        call phio_readdatablock(handle, phrase,
46bc62cfd4SCameron Smith     &      c_loc(coords(i)%ptr), ncoords(i), dataDbl, iotype)
47bc62cfd4SCameron Smith        call phio_closefile_read(handle)
48bc62cfd4SCameron Smith        call chdir(c_char_'..'//c_null_char)
49bc62cfd4SCameron Smith      end do
50bc62cfd4SCameron Smith      if( ncoords(1) .ne. ncoords(2) ) then
51bc62cfd4SCameron Smith        write (*,*) 'rank ncoords', rank, ncoords
52bc62cfd4SCameron Smith        stop 1
53bc62cfd4SCameron Smith      endif
54bc62cfd4SCameron Smith      do i=1,numpts(1)
55bc62cfd4SCameron Smith        do j=1,numpts(2)
56bc62cfd4SCameron Smith          if( coords(1)%ptr(i,j) .ne. coords(2)%ptr(i,j) ) then
57bc62cfd4SCameron Smith            write (*,*) 'rank coordinate mismatch i,j', rank, i, j
58bc62cfd4SCameron Smith            stop 1
59bc62cfd4SCameron Smith          end if
60bc62cfd4SCameron Smith        end do
61bc62cfd4SCameron Smith      end do
62bc62cfd4SCameron Smith      deallocate(coords(1)%ptr)
63bc62cfd4SCameron Smith      deallocate(coords(2)%ptr)
64bc62cfd4SCameron Smith      call MPI_Finalize(ierror)
65bc62cfd4SCameron Smith      end
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