X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5a37cda4c36f1fc25b8154daf308cbcc45a42b84..3b578f744282579b374a1461561b41f2d8b2684b:/teshsuite/smpi/mpich3-test/topo/cartshift1.c?ds=inline

diff --git a/teshsuite/smpi/mpich3-test/topo/cartshift1.c b/teshsuite/smpi/mpich3-test/topo/cartshift1.c
new file mode 100644
index 0000000000..679f12c18c
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/topo/cartshift1.c
@@ -0,0 +1,96 @@
+/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
+/*
+ *
+ *  (C) 2003 by Argonne National Laboratory.
+ *      See COPYRIGHT in top-level directory.
+ */
+#include "mpi.h"
+#include <stdio.h>
+#include "mpitest.h"
+
+int main( int argc, char *argv[] )
+{
+    int errs = 0;
+    int size, rank;
+    int source, dest;
+    int dims[2], periods[2];
+    MPI_Comm comm;
+
+    MTest_Init( &argc, &argv );
+    
+    MPI_Comm_size( MPI_COMM_WORLD, &size );
+    MPI_Comm_rank( MPI_COMM_WORLD, &rank );
+    dims[0]    = size;
+    periods[0] = 1;
+    MPI_Cart_create( MPI_COMM_WORLD, 1, dims, periods, 0, &comm );
+    MPI_Cart_shift( comm, 0, 1, &source, &dest );
+    if (source != ((rank - 1 + size) % size)) {
+	errs++;
+	printf( "source for shift 1 is %d\n", source );
+    }
+    if (dest != ((rank + 1) % size)) {
+	errs++;
+	printf( "dest for shift 1 is %d\n", dest );
+    }
+    MPI_Cart_shift( comm, 0, 0, &source, &dest );
+    if (source != rank) {
+	errs++;
+	printf( "Source for shift 0 is %d\n", source );
+    }
+    if (dest != rank) {
+	errs++;
+	printf( "Dest for shift 0 is %d\n", dest );
+    }
+    MPI_Cart_shift( comm, 0, -1, &source, &dest );
+    if (source != ((rank + 1) % size)) {
+	errs++;
+	printf( "source for shift -1 is %d\n", source );
+    }
+    if (dest != ((rank - 1 + size) % size)) {
+	errs++;
+	printf( "dest for shift -1 is %d\n", dest );
+    }
+
+    /* Now, with non-periodic */
+    MPI_Comm_free( &comm );
+    periods[0] = 0;
+    MPI_Cart_create( MPI_COMM_WORLD, 1, dims, periods, 0, &comm );
+    MPI_Cart_shift( comm, 0, 1, &source, &dest );
+    if ((rank > 0 && source != (rank - 1)) || 
+	(rank == 0 && source != MPI_PROC_NULL)) {
+	errs++;
+	printf( "source for non-periodic shift 1 is %d\n", source );
+    }
+    if ((rank < size-1 && dest != rank + 1) || 
+	((rank == size-1) && dest != MPI_PROC_NULL)) {
+	errs++;
+	printf( "dest for non-periodic shift 1 is %d\n", dest );
+    }
+    MPI_Cart_shift( comm, 0, 0, &source, &dest );
+    if (source != rank) {
+	errs++;
+	printf( "Source for non-periodic shift 0 is %d\n", source );
+    }
+    if (dest != rank) {
+	errs++;
+	printf( "Dest for non-periodic shift 0 is %d\n", dest );
+    }
+    MPI_Cart_shift( comm, 0, -1, &source, &dest );
+    if ((rank < size - 1 && source != rank + 1) ||
+	(rank == size - 1 && source != MPI_PROC_NULL)) {
+	
+	errs++;
+	printf( "source for non-periodic shift -1 is %d\n", source );
+    }
+    if ((rank > 0 && dest != rank - 1) ||
+	(rank == 0 && dest != MPI_PROC_NULL)) {
+	errs++;
+	printf( "dest for non-periodic shift -1 is %d\n", dest );
+    }
+    MPI_Comm_free( &comm );
+    
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+  
+}