1 |
!======================================================================= |
2 |
subroutine comprecv_r4( dataname, Ni,Oi,Nj,Oj, arr ) |
3 |
implicit none |
4 |
! Arguments |
5 |
character*(*) dataname |
6 |
integer Ni,Oi,Nj,Oj,Io,Jo |
7 |
real*4 arr(1-Oi:Ni+Oi,1-Oj:Nj+Oj) |
8 |
! Predefined constants/arrays |
9 |
#include "CPLR_SIG.h" |
10 |
! MPI variables |
11 |
#include "mpif.h" |
12 |
integer count,dtype,rank,tag,comm,ierr |
13 |
integer stat(MPI_STATUS_SIZE) |
14 |
! Functions |
15 |
integer generate_tag |
16 |
! Local |
17 |
integer i,j,ij,nx,ny |
18 |
character*(MAXLEN_COMP_NAME) recvdname |
19 |
! ------------------------------------------------------------------ |
20 |
|
21 |
if (HEADER_SIZE+Ni*Nj.gt.MAX_R4_BUFLEN) |
22 |
& stop 'comprecv_r4: Nx*Ny too big' |
23 |
|
24 |
! Receive message |
25 |
count=HEADER_SIZE+MAX_R4_BUFLEN |
26 |
dtype=MPI_REAL |
27 |
tag=generate_tag(121,my_rank_in_global,dataname) |
28 |
rank=my_coupler_rank |
29 |
comm=MPI_COMM_myglobal |
30 |
|
31 |
if (VERB) then |
32 |
write(LogUnit,*) 'comprecv_r4: calling MPI_Recv rank=',rank |
33 |
write(LogUnit,*) 'comprecv_r4: dataname=',dataname |
34 |
call flush(LogUnit) |
35 |
endif |
36 |
call MPI_Recv(r4buf, count, dtype, rank, tag, comm, stat, ierr) |
37 |
if (VERB) then |
38 |
write(LogUnit,*) 'comprecv_r4: returned ierr=',ierr |
39 |
call flush(LogUnit) |
40 |
endif |
41 |
|
42 |
if (ierr.ne.0) then |
43 |
write(LogUnit,*) 'comprecv_r4tiles: rank(W,G)=', |
44 |
& my_rank_in_world,my_rank_in_global, |
45 |
& ' ierr=',ierr |
46 |
stop 'comprecv_r4: MPI_Recv failed' |
47 |
endif |
48 |
|
49 |
! Extract buffer |
50 |
Io=int(0.5+r4buf(1)) |
51 |
Jo=int(0.5+r4buf(2)) |
52 |
nx=int(0.5+r4buf(3)) |
53 |
ny=int(0.5+r4buf(4)) |
54 |
call mitcplr_real2char( r4buf(9), recvdname ) |
55 |
|
56 |
if (Io.ne.my_tile_i0(1)) stop 'comprecv_r4: bad Io' |
57 |
if (Jo.ne.my_tile_j0(1)) stop 'comprecv_r4: bad Jo' |
58 |
if (nx.ne.my_tile_nx(1)) stop 'comprecv_r4: bad nx' |
59 |
if (ny.ne.my_tile_ny(1)) stop 'comprecv_r4: bad ny' |
60 |
if (recvdname .ne. dataname) then |
61 |
write(LogUnit,*) 'comprecv_r4: recvdname = ',recvdname |
62 |
write(LogUnit,*) 'comprecv_r4: dataname = ',dataname |
63 |
stop 'comprecv_r4: recvdname != dataname' |
64 |
endif |
65 |
|
66 |
! Copy buffer to interior of tile |
67 |
do j=1,Nj |
68 |
do i=1,Ni |
69 |
ij=HEADER_SIZE+i+Ni*(j-1) |
70 |
arr(i,j)=r4buf(ij) |
71 |
enddo |
72 |
enddo |
73 |
|
74 |
! ------------------------------------------------------------------ |
75 |
return |
76 |
end |
77 |
!======================================================================= |