X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/877c773a694a049fc8b926ac126ad776ab257f3d..84402e8e2ee2a2d0bef25fdceb0a263ed8b471f6:/teshsuite/smpi/coll-reduce-scatter/coll-reduce-scatter.c

diff --git a/teshsuite/smpi/coll-reduce-scatter/coll-reduce-scatter.c b/teshsuite/smpi/coll-reduce-scatter/coll-reduce-scatter.c
index 3bf3d91930..2789562836 100644
--- a/teshsuite/smpi/coll-reduce-scatter/coll-reduce-scatter.c
+++ b/teshsuite/smpi/coll-reduce-scatter/coll-reduce-scatter.c
@@ -1,10 +1,10 @@
-/* Copyright (c) 2013-2014. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2013-2020. The SimGrid Team.
+ * All rights reserved.                           */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
-/* 
+/*
  * Test of reduce scatter.
  * Each processor contributes its rank + the index to the reduction,  then receives the ith sum
  * Can be called with any number of processors.
@@ -16,41 +16,66 @@
 
 int main( int argc, char **argv )
 {
-    int      err = 0, toterr;
-    int      *sendbuf, *recvbuf, *recvcounts;
-    int      size, rank, i, sumval;
-    MPI_Comm comm;
-
-    MPI_Init( &argc, &argv );
-    comm = MPI_COMM_WORLD;
-
-    MPI_Comm_size( comm, &size );
-    MPI_Comm_rank( comm, &rank );
-    sendbuf = (int *) malloc( size * sizeof(int) );
-    for (i=0; i<size; i++) 
-      sendbuf[i] = rank + i;
-    recvcounts = (int *)malloc( size * sizeof(int) );
-    recvbuf = (int *)malloc( size * sizeof(int) );
-    for (i=0; i<size; i++) 
-      recvcounts[i] = 1;
-    MPI_Reduce_scatter( sendbuf, recvbuf, recvcounts, MPI_INT, MPI_SUM, comm );
-    sumval = size * rank + ((size - 1) * size)/2;
-    /* recvbuf should be size * (rank + i) */
-    if (recvbuf[0] != sumval) {
-      err++;
-      fprintf( stdout, "Did not get expected value for reduce scatter\n" );
-      fprintf( stdout, "[%d] Got %d expected %d\n", rank, recvbuf[0], sumval );
-    }
-
-    MPI_Allreduce( &err, &toterr, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD );
-    if (rank == 0 && toterr == 0) {
-      printf( " No Errors\n" );
-    }
-    free(sendbuf);
-    free(recvcounts);
-    free(recvbuf);
-
-    MPI_Finalize();
-
-    return toterr;
+  int err = 0;
+  int toterr;
+  int size;
+  int rank;
+  int i;
+  MPI_Comm comm;
+
+  MPI_Init( &argc, &argv );
+  comm = MPI_COMM_WORLD;
+
+  MPI_Comm_size( comm, &size );
+  MPI_Comm_rank( comm, &rank );
+  MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
+
+  int* sendbuf = (int *) malloc( size * sizeof(int) );
+  for (i=0; i<size; i++)
+    sendbuf[i] = rank + i;
+  int* recvcounts = (int*) malloc (size * sizeof(int));
+  int* recvbuf  = (int*) malloc (size * sizeof(int));
+  for (i=0; i<size; i++)
+    recvcounts[i] = 1;
+  int retval;
+
+  retval = MPI_Reduce_scatter(NULL, recvbuf, recvcounts, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
+  if(retval!=MPI_ERR_BUFFER)
+    printf("MPI_Reduce_scatter did not return MPI_ERR_BUFFER for empty sendbuf\n");
+  retval = MPI_Reduce_scatter(sendbuf, NULL, recvcounts, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
+  if(retval!=MPI_ERR_BUFFER)
+    printf("MPI_Reduce_scatter did not return MPI_ERR_BUFFER for empty recvbuf\n");
+  retval = MPI_Reduce_scatter(sendbuf, recvbuf, NULL, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
+  if(retval!=MPI_ERR_COUNT)
+    printf("MPI_Reduce_scatter did not return MPI_ERR_COUNT for NULL recvcounts\n");
+  retval = MPI_Reduce_scatter(sendbuf, recvbuf, recvcounts, MPI_DATATYPE_NULL, MPI_SUM, MPI_COMM_WORLD);
+  if(retval!=MPI_ERR_TYPE)
+    printf("MPI_Reduce_scatter did not return MPI_ERR_TYPE for MPI_DATATYPE_NULL type\n");
+  retval = MPI_Reduce_scatter(sendbuf, recvbuf, recvcounts, MPI_DOUBLE, MPI_OP_NULL, MPI_COMM_WORLD);
+  if(retval!=MPI_ERR_OP)
+    printf("MPI_Reduce_scatter did not return MPI_ERR_OP for MPI_OP_NULL op\n");
+  retval = MPI_Reduce_scatter(sendbuf, recvbuf, recvcounts, MPI_DOUBLE, MPI_SUM, MPI_COMM_NULL);
+  if(retval!=MPI_ERR_COMM)
+    printf("MPI_Reduce_scatter did not return MPI_ERR_COMM for MPI_COMM_NULL comm\n");
+
+  MPI_Reduce_scatter( sendbuf, recvbuf, recvcounts, MPI_INT, MPI_SUM, comm );
+  int sumval = size * rank + ((size - 1) * size)/2;
+  /* recvbuf should be size * (rank + i) */
+  if (recvbuf[0] != sumval) {
+    err++;
+    fprintf( stdout, "Did not get expected value for reduce scatter\n" );
+    fprintf( stdout, "[%d] Got %d expected %d\n", rank, recvbuf[0], sumval );
+  }
+
+  MPI_Allreduce( &err, &toterr, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD );
+  if (rank == 0 && toterr == 0) {
+    printf( " No Errors\n" );
+  }
+  free(sendbuf);
+  free(recvcounts);
+  free(recvbuf);
+
+  MPI_Finalize();
+
+  return toterr;
 }