#include <stdio.h>
#include "mpitest.h"
-int prodof( int, const int[] );
+int prodof(int, const int[]);
/*
* Test edge cases of Dims_create
*/
-int prodof( int ndims, const int dims[] )
+int prodof(int ndims, const int dims[])
{
- int i, prod=1;
- for (i=0; i<ndims; i++)
- prod *= dims[i];
+ int i, prod = 1;
+ for (i = 0; i < ndims; i++)
+ prod *= dims[i];
return prod;
}
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0;
int dims[4], nnodes;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
/* 2 dimensional tests */
- for (nnodes=1; nnodes <= 32; nnodes = nnodes * 2) {
- dims[0] = 0;
- dims[1] = nnodes;
-
- MPI_Dims_create( nnodes, 2, dims );
- if (prodof(2, dims) != nnodes) {
- errs++;
- printf( "Dims_create returned the wrong decomposition. " );
- printf( "Is [%d x %d], should be 1 x %d\n", dims[0], dims[1],
- nnodes );
- }
-
- /* Try calling Dims_create with nothing to do (all dimensions
- specified) */
- dims[0] = 1;
- dims[1] = nnodes;
- MPI_Dims_create( nnodes, 2, dims );
- if (prodof(2, dims) != nnodes) {
- errs++;
- printf( "Dims_create returned the wrong decomposition (all given). " );
- printf( "Is [%d x %d], should be 1 x %d\n", dims[0], dims[1],
- nnodes );
- }
+ for (nnodes = 1; nnodes <= 32; nnodes = nnodes * 2) {
+ dims[0] = 0;
+ dims[1] = nnodes;
+
+ MPI_Dims_create(nnodes, 2, dims);
+ if (prodof(2, dims) != nnodes) {
+ errs++;
+ printf("Dims_create returned the wrong decomposition. ");
+ printf("Is [%d x %d], should be 1 x %d\n", dims[0], dims[1], nnodes);
+ }
+
+ /* Try calling Dims_create with nothing to do (all dimensions
+ * specified) */
+ dims[0] = 1;
+ dims[1] = nnodes;
+ MPI_Dims_create(nnodes, 2, dims);
+ if (prodof(2, dims) != nnodes) {
+ errs++;
+ printf("Dims_create returned the wrong decomposition (all given). ");
+ printf("Is [%d x %d], should be 1 x %d\n", dims[0], dims[1], nnodes);
+ }
}
/* 4 dimensional tests */
- for (nnodes=4; nnodes <= 32; nnodes = nnodes * 2) {
- dims[0] = 0;
- dims[1] = nnodes/2;
- dims[2] = 0;
- dims[3] = 2;
-
- MPI_Dims_create( nnodes, 4, dims );
- if (prodof(4, dims) != nnodes) {
- errs++;
- printf( "Dims_create returned the wrong decomposition. " );
- printf( "Is [%d x %d x %d x %d], should be 1 x %d x 1 x 2\n",
- dims[0], dims[1], dims[2], dims[3],
- nnodes/2 );
- }
-
- /* Try calling Dims_create with nothing to do (all dimensions
- specified) */
- dims[0] = 1;
- dims[1] = nnodes/2;
- dims[2] = 1;
- dims[3] = 2;
- MPI_Dims_create( nnodes, 4, dims );
- if (prodof(4, dims) != nnodes) {
- errs++;
- printf( "Dims_create returned the wrong decomposition (all given). " );
- printf( "Is [%d x %d x %d x %d], should be 1 x %d x 1 x 2\n",
- dims[0], dims[1], dims[2], dims[3],
- nnodes/2 );
- }
+ for (nnodes = 4; nnodes <= 32; nnodes = nnodes * 2) {
+ dims[0] = 0;
+ dims[1] = nnodes / 2;
+ dims[2] = 0;
+ dims[3] = 2;
+
+ MPI_Dims_create(nnodes, 4, dims);
+ if (prodof(4, dims) != nnodes) {
+ errs++;
+ printf("Dims_create returned the wrong decomposition. ");
+ printf("Is [%d x %d x %d x %d], should be 1 x %d x 1 x 2\n",
+ dims[0], dims[1], dims[2], dims[3], nnodes / 2);
+ }
+
+ /* Try calling Dims_create with nothing to do (all dimensions
+ * specified) */
+ dims[0] = 1;
+ dims[1] = nnodes / 2;
+ dims[2] = 1;
+ dims[3] = 2;
+ MPI_Dims_create(nnodes, 4, dims);
+ if (prodof(4, dims) != nnodes) {
+ errs++;
+ printf("Dims_create returned the wrong decomposition (all given). ");
+ printf("Is [%d x %d x %d x %d], should be 1 x %d x 1 x 2\n",
+ dims[0], dims[1], dims[2], dims[3], nnodes / 2);
+ }
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
-
+
}
