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Add mpich3 test suite, to replace older one.
[simgrid.git] / teshsuite / smpi / mpich3-test / coll / bcast2.c
diff --git a/teshsuite/smpi/mpich3-test/coll/bcast2.c b/teshsuite/smpi/mpich3-test/coll/bcast2.c
new file mode 100644 (file)
index 0000000..b2c2f79
--- /dev/null
@@ -0,0 +1,81 @@
+/* -*- 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"
+
+/*
+static char MTEST_Descrip[] = "Test of broadcast with various roots and datatypes";
+*/
+
+int main( int argc, char *argv[] )
+{
+    int errs = 0, err;
+    int rank, size, root;
+    int minsize = 2, count; 
+    MPI_Comm      comm;
+    MTestDatatype sendtype, recvtype;
+
+    MTest_Init( &argc, &argv );
+
+    /* The following illustrates the use of the routines to 
+       run through a selection of communicators and datatypes.
+       Use subsets of these for tests that do not involve combinations 
+       of communicators, datatypes, and counts of datatypes */
+    while (MTestGetIntracommGeneral( &comm, minsize, 1 )) {
+       if (comm == MPI_COMM_NULL) continue;
+
+       /* Determine the sender and receiver */
+       MPI_Comm_rank( comm, &rank );
+       MPI_Comm_size( comm, &size );
+       
+       /* To improve reporting of problems about operations, we
+          change the error handler to errors return */
+       MPI_Errhandler_set( comm, MPI_ERRORS_RETURN );
+
+       /* The max value of count must be very large to ensure that we 
+          reach the long message algorithms */
+       for (count = 1; count < 280000; count = count * 4) {
+           while (MTestGetDatatypes( &sendtype, &recvtype, count )) {
+               for (root=0; root<size; root++) {
+                   if (rank == root) {
+                       sendtype.InitBuf( &sendtype );
+                       err = MPI_Bcast( sendtype.buf, sendtype.count,
+                                        sendtype.datatype, root, comm );
+                       if (err) {
+                           errs++;
+                           MTestPrintError( err );
+                       }
+                   }
+                   else {
+                       recvtype.InitBuf( &recvtype );
+                       err = MPI_Bcast( recvtype.buf, recvtype.count, 
+                                   recvtype.datatype, root, comm );
+                       if (err) {
+                           errs++;
+                           fprintf( stderr, "Error with communicator %s and datatype %s\n", 
+                                MTestGetIntracommName(), 
+                                MTestGetDatatypeName( &recvtype ) );
+                           MTestPrintError( err );
+                       }
+                       err = MTestCheckRecv( 0, &recvtype );
+                       if (err) {
+                           errs += errs;
+                       }
+                   }
+               }
+               MTestFreeDatatype( &recvtype );
+               MTestFreeDatatype( &sendtype );
+           }
+       }
+       MTestFreeComm( &comm );
+    }
+
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+}