1 /*
2 (C) 2004 by Argonne National Laboratory.
3 See COPYRIGHT in top-level directory.
4 */
5 #include "collchk.h"
6
MPI_Scan(MPICH2_CONST void * sbuff,void * rbuff,int cnt,MPI_Datatype dt,MPI_Op op,MPI_Comm comm)7 int MPI_Scan(MPICH2_CONST void* sbuff, void* rbuff, int cnt,
8 MPI_Datatype dt, MPI_Op op, MPI_Comm comm)
9 {
10 int g2g = 1;
11 char call[COLLCHK_SM_STRLEN];
12
13 sprintf(call, "SCAN");
14
15 /* Check if init has been called */
16 g2g = CollChk_is_init();
17
18 if(g2g) {
19 /* check call consistancy */
20 CollChk_same_call(comm, call);
21 /* check operation consistacy */
22 CollChk_same_op(comm, op, call);
23
24 /* check datatype signature consistancy */
25 CollChk_dtype_bcast(comm, dt, cnt, 0, call);
26
27 /* make the call */
28 return PMPI_Scan(sbuff, rbuff, cnt, dt, op, comm);
29 }
30 else {
31 /* init not called */
32 return CollChk_err_han("MPI_Init() has not been called!",
33 COLLCHK_ERR_NOT_INIT, call, comm);
34 }
35 }
36