X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/50130868c2f0c10d86bf368ede7154f6845b0d51..a9c9083479c7a98cb890faad9d2f40e9a64ccd83:/teshsuite/smpi/mpich3-test/coll/redscatbkinter.c

diff --git a/teshsuite/smpi/mpich3-test/coll/redscatbkinter.c b/teshsuite/smpi/mpich3-test/coll/redscatbkinter.c
index 5810b5b5c8..31645c03ba 100644
--- a/teshsuite/smpi/mpich3-test/coll/redscatbkinter.c
+++ b/teshsuite/smpi/mpich3-test/coll/redscatbkinter.c
@@ -3,11 +3,11 @@
  *  (C) 2011 by Argonne National Laboratory.
  *      See COPYRIGHT in top-level directory.
  */
-/* 
+/*
  * Test of reduce scatter block with large data on an intercommunicator
  * (needed in MPICH to trigger the long-data algorithm)
  *
- * Each processor contributes its rank + the index to the reduction, 
+ * Each processor contributes its rank + the index to the reduction,
  * then receives the ith sum
  *
  * Can be called with any number of processors.
@@ -18,91 +18,83 @@
 #include <stdlib.h>
 #include "mpitest.h"
 
-int main( int argc, char **argv )
+int main(int argc, char **argv)
 {
-    int      err = 0;
-    int      size, rsize, rank, i;
-    int      recvcount, /* Each process receives this much data */
-             sendcount, /* Each process contributes this much data */
-	     basecount; /* Unit of elements - basecount *rsize is recvcount, 
-			   etc. */
-    int      isLeftGroup;
+    int err = 0;
+    int size, rsize, rank, i;
+    int recvcount,              /* Each process receives this much data */
+     sendcount,                 /* Each process contributes this much data */
+     basecount;                 /* Unit of elements - basecount *rsize is recvcount,
+                                 * etc. */
+    int isLeftGroup;
     long long *sendbuf, *recvbuf;
     long long sumval;
     MPI_Comm comm;
 
 
-    MTest_Init( &argc, &argv );
+    MTest_Init(&argc, &argv);
     comm = MPI_COMM_WORLD;
 
     basecount = 1024;
 
-    while (MTestGetIntercomm( &comm, &isLeftGroup, 2 )) {
-	if (comm == MPI_COMM_NULL) continue;
-
-	MPI_Comm_remote_size( comm, &rsize );
-	MPI_Comm_size( comm, &size );
-	MPI_Comm_rank( comm, &rank );
-
-	if (0) {
-	    printf( "[%d] %s (%d,%d) remote %d\n", rank, 
-		    isLeftGroup ? "L" : "R", 
-		    rank, size, rsize );
-	}
-
-	recvcount = basecount * rsize;
-	sendcount = basecount * rsize * size;
-
-	sendbuf = (long long *) malloc( sendcount * sizeof(long long) );
-	if (!sendbuf) {
-	    fprintf( stderr, "Could not allocate %d ints for sendbuf\n", 
-		     sendcount );
-	    MPI_Abort( MPI_COMM_WORLD, 1 );
-            exit(1);
-	}
-
-	for (i=0; i<sendcount; i++) {
-	    sendbuf[i] = (long long)(rank*sendcount + i);
-	}
-	recvbuf = (long long *)malloc( recvcount * sizeof(long long) );
-	if (!recvbuf) {
-	    fprintf( stderr, "Could not allocate %d ints for recvbuf\n", 
-		     recvcount );
-	    MPI_Abort( MPI_COMM_WORLD, 1 );
-            exit(1);
-	}
-	for (i=0; i<recvcount; i++) {
-	    recvbuf[i] = (long long)(-i);
-	}
-	
-	MPI_Reduce_scatter_block( sendbuf, recvbuf, recvcount, MPI_LONG_LONG, 
-				  MPI_SUM, comm );
-
-	/* Check received data */
-	for (i=0; i<recvcount; i++) {
-	    sumval = (long long)(sendcount) * (long long)((rsize * (rsize-1))/2) +
-		(long long)(i + rank * rsize * basecount) * (long long)rsize;
-	    if (recvbuf[i] != sumval) {
-		err++;
-		if (err < 4) {
-		    fprintf( stdout, "Did not get expected value for reduce scatter\n" );
-		    fprintf( stdout, "[%d] %s recvbuf[%d] = %lld, expected %lld\n",
-			     rank, 
-			     isLeftGroup ? "L" : "R", 
-			     i, recvbuf[i], sumval );
-		}
-	    }
-	}
-	
-	free(sendbuf);
-	free(recvbuf);
-
-	MTestFreeComm( &comm );
+    while (MTestGetIntercomm(&comm, &isLeftGroup, 2)) {
+        if (comm == MPI_COMM_NULL)
+            continue;
+
+        MPI_Comm_remote_size(comm, &rsize);
+        MPI_Comm_size(comm, &size);
+        MPI_Comm_rank(comm, &rank);
+
+        if (0) {
+            printf("[%d] %s (%d,%d) remote %d\n", rank, isLeftGroup ? "L" : "R", rank, size, rsize);
+        }
+
+        recvcount = basecount * rsize;
+        sendcount = basecount * rsize * size;
+
+        sendbuf = (long long *) malloc(sendcount * sizeof(long long));
+        if (!sendbuf) {
+            fprintf(stderr, "Could not allocate %d ints for sendbuf\n", sendcount);
+            MPI_Abort(MPI_COMM_WORLD, 1);
+        }
+
+        for (i = 0; i < sendcount; i++) {
+            sendbuf[i] = (long long) (rank * sendcount + i);
+        }
+        recvbuf = (long long *) malloc(recvcount * sizeof(long long));
+        if (!recvbuf) {
+            fprintf(stderr, "Could not allocate %d ints for recvbuf\n", recvcount);
+            MPI_Abort(MPI_COMM_WORLD, 1);
+        }
+        for (i = 0; i < recvcount; i++) {
+            recvbuf[i] = (long long) (-i);
+        }
+
+        MPI_Reduce_scatter_block(sendbuf, recvbuf, recvcount, MPI_LONG_LONG, MPI_SUM, comm);
+
+        /* Check received data */
+        for (i = 0; i < recvcount; i++) {
+            sumval = (long long) (sendcount) * (long long) ((rsize * (rsize - 1)) / 2) +
+                (long long) (i + rank * rsize * basecount) * (long long) rsize;
+            if (recvbuf[i] != sumval) {
+                err++;
+                if (err < 4) {
+                    fprintf(stdout, "Did not get expected value for reduce scatter\n");
+                    fprintf(stdout, "[%d] %s recvbuf[%d] = %lld, expected %lld\n",
+                            rank, isLeftGroup ? "L" : "R", i, recvbuf[i], sumval);
+                }
+            }
+        }
+
+        free(sendbuf);
+        free(recvbuf);
+
+        MTestFreeComm(&comm);
     }
 
-    MTest_Finalize( err );
+    MTest_Finalize(err);
 
-    MPI_Finalize( );
+    MPI_Finalize();
 
     return 0;
 }