move smpi examples to teshsuite

[simgrid.git] / teshsuite / smpi / struct_test.c

diff --git a/teshsuite/smpi/struct_test.c b/teshsuite/smpi/struct_test.c
new file mode 100644 (file)
index 0000000..5c73e38
--- /dev/null
+++ b/teshsuite/smpi/struct_test.c
@@ -0,0 +1,67 @@
+#include <stdio.h>
+#include "mpi.h"
+
+int main( argc, argv )
+int argc;
+char **argv;
+{
+    int          rank;
+    struct { int a;int c; double b;int tab[2][3];} value;
+    MPI_Datatype mystruct;
+    int          blocklens[3];
+    MPI_Aint     indices[3];
+    MPI_Datatype old_types[3], type2;
+    int i,j;
+
+    MPI_Init( &argc, &argv );
+
+    MPI_Comm_rank( MPI_COMM_WORLD, &rank );
+
+    int tab[2][3]={{1*rank,2*rank,3*rank},{7*rank,8*rank,9*rank}}; 
+    MPI_Type_contiguous(3, MPI_INT, &type2);
+    MPI_Type_commit(&type2);
+
+    /* One value of each type, and two for the contiguous one */
+    blocklens[0] = 1;
+    blocklens[1] = 1;
+    blocklens[2] = 2;
+    /* The base types */
+    old_types[0] = MPI_INT;
+    old_types[1] = MPI_DOUBLE;
+    old_types[2] = type2;
+    /* The locations of each element */
+    MPI_Address( &value.a, &indices[0] );
+    MPI_Address( &value.b, &indices[1] );
+    MPI_Address( &tab, &indices[2] );
+    /* Make relative */
+    indices[2] = indices[2] - indices[0];
+    indices[1] = indices[1] - indices[0];
+    indices[0] = 0;
+
+    MPI_Type_struct( 3, blocklens, indices, old_types, &mystruct );
+    MPI_Type_commit( &mystruct );
+
+    if (rank == 0){
+      value.a=-2;
+      value.b=8.0;
+    }else{
+      value.a=10000;
+      value.b=5.0; 
+    }
+
+    MPI_Bcast( &value, 1, mystruct, 0, MPI_COMM_WORLD );
+
+    printf( "Process %d got %d (-2?) and %lf (8.0?), tab (should be all 0): ", rank, value.a, value.b );
+   
+    for(j=0; j<2;j++ )
+      for(i=0; i<3;i++ )
+      printf("%d ", tab[j][i]);
+
+      printf("\n");
+
+
+    /* Clean up the type */
+    MPI_Type_free( &mystruct );
+    MPI_Finalize( );
+    return 0;
+}