--- /dev/null
+/* -*- 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 "mpitestconf.h"
+#include <stdio.h>
+#include "mpitest.h"
+
+/*
+static char MTEST_Descrip[] = "Test MPI_LXOR operations on optional datatypes dupported by MPICH";
+*/
+
+/*
+ * This test looks at the handling of logical and for types that are not
+ * integers or are not required integers (e.g., long long). MPICH allows
+ * these as well. A strict MPI test should not include this test.
+ */
+int main( int argc, char *argv[] )
+{
+ int errs = 0;
+ int rc;
+ int rank, size;
+ MPI_Comm comm;
+ char cinbuf[3], coutbuf[3];
+ signed char scinbuf[3], scoutbuf[3];
+ unsigned char ucinbuf[3], ucoutbuf[3];
+ float finbuf[3], foutbuf[3];
+ double dinbuf[3], doutbuf[3];
+
+ MTest_Init( &argc, &argv );
+
+ comm = MPI_COMM_WORLD;
+ /* Set errors return so that we can provide better information
+ should a routine reject one of the operand/datatype pairs */
+ MPI_Errhandler_set( comm, MPI_ERRORS_RETURN );
+
+ MPI_Comm_rank( comm, &rank );
+ MPI_Comm_size( comm, &size );
+
+#ifndef USE_STRICT_MPI
+ /* char */
+ MTestPrintfMsg( 10, "Reduce of MPI_CHAR\n" );
+ cinbuf[0] = 1;
+ cinbuf[1] = 0;
+ cinbuf[2] = (rank > 0);
+
+ coutbuf[0] = 0;
+ coutbuf[1] = 1;
+ coutbuf[2] = 1;
+ rc = MPI_Reduce( cinbuf, coutbuf, 3, MPI_CHAR, MPI_LXOR, 0, comm );
+ if (rc) {
+ MTestPrintErrorMsg( "MPI_LXOR and MPI_CHAR", rc );
+ errs++;
+ }
+ else {
+ if (rank == 0) {
+ if (coutbuf[0] != (size % 2)) {
+ errs++;
+ fprintf( stderr, "char XOR(1) test failed\n" );
+ }
+ if (coutbuf[1]) {
+ errs++;
+ fprintf( stderr, "char XOR(0) test failed\n" );
+ }
+ if (coutbuf[2] == (size % 2) && size > 1) {
+ errs++;
+ fprintf( stderr, "char XOR(>) test failed\n" );
+ }
+ }
+ }
+#endif /* USE_STRICT_MPI */
+
+ /* signed char */
+ MTestPrintfMsg( 10, "Reduce of MPI_SIGNED_CHAR\n" );
+ scinbuf[0] = 1;
+ scinbuf[1] = 0;
+ scinbuf[2] = (rank > 0);
+
+ scoutbuf[0] = 0;
+ scoutbuf[1] = 1;
+ scoutbuf[2] = 1;
+ rc = MPI_Reduce( scinbuf, scoutbuf, 3, MPI_SIGNED_CHAR, MPI_LXOR, 0, comm );
+ if (rc) {
+ MTestPrintErrorMsg( "MPI_LXOR and MPI_SIGNED_CHAR", rc );
+ errs++;
+ }
+ else {
+ if (rank == 0) {
+ if (scoutbuf[0] != (size % 2)) {
+ errs++;
+ fprintf( stderr, "signed char XOR(1) test failed\n" );
+ }
+ if (scoutbuf[1]) {
+ errs++;
+ fprintf( stderr, "signed char XOR(0) test failed\n" );
+ }
+ if (scoutbuf[2] == (size % 2) && size > 1) {
+ errs++;
+ fprintf( stderr, "signed char XOR(>) test failed\n" );
+ }
+ }
+ }
+
+ /* unsigned char */
+ MTestPrintfMsg( 10, "Reduce of MPI_UNSIGNED_CHAR\n" );
+ ucinbuf[0] = 1;
+ ucinbuf[1] = 0;
+ ucinbuf[2] = (rank > 0);
+
+ ucoutbuf[0] = 0;
+ ucoutbuf[1] = 1;
+ ucoutbuf[2] = 1;
+ rc = MPI_Reduce( ucinbuf, ucoutbuf, 3, MPI_UNSIGNED_CHAR, MPI_LXOR, 0, comm );
+ if (rc) {
+ MTestPrintErrorMsg( "MPI_LXOR and MPI_UNSIGNED_CHAR", rc );
+ errs++;
+ }
+ else {
+ if (rank == 0) {
+ if (ucoutbuf[0] != (size % 2)) {
+ errs++;
+ fprintf( stderr, "unsigned char XOR(1) test failed\n" );
+ }
+ if (ucoutbuf[1]) {
+ errs++;
+ fprintf( stderr, "unsigned char XOR(0) test failed\n" );
+ }
+ if (ucoutbuf[2] == (size % 2) && size > 1) {
+ errs++;
+ fprintf( stderr, "unsigned char XOR(>) test failed\n" );
+ }
+ }
+ }
+
+#ifndef USE_STRICT_MPI
+ /* float */
+ MTestPrintfMsg( 10, "Reduce of MPI_FLOAT\n" );
+ finbuf[0] = 1;
+ finbuf[1] = 0;
+ finbuf[2] = (rank > 0);
+
+ foutbuf[0] = 0;
+ foutbuf[1] = 1;
+ foutbuf[2] = 1;
+ rc = MPI_Reduce( finbuf, foutbuf, 3, MPI_FLOAT, MPI_LXOR, 0, comm );
+ if (rc) {
+ MTestPrintErrorMsg( "MPI_LXOR and MPI_FLOAT", rc );
+ errs++;
+ }
+ else {
+ if (rank == 0) {
+ if (foutbuf[0] != (size % 2)) {
+ errs++;
+ fprintf( stderr, "float XOR(1) test failed\n" );
+ }
+ if (foutbuf[1]) {
+ errs++;
+ fprintf( stderr, "float XOR(0) test failed\n" );
+ }
+ if (foutbuf[2] == (size % 2) && size > 1) {
+ errs++;
+ fprintf( stderr, "float XOR(>) test failed\n" );
+ }
+ }
+ }
+
+ /* double */
+ MTestPrintfMsg( 10, "Reduce of MPI_DOUBLE\n" );
+ dinbuf[0] = 1;
+ dinbuf[1] = 0;
+ dinbuf[2] = (rank > 0);
+
+ doutbuf[0] = 0;
+ doutbuf[1] = 1;
+ doutbuf[2] = 1;
+ rc = MPI_Reduce( dinbuf, doutbuf, 3, MPI_DOUBLE, MPI_LXOR, 0, comm );
+ if (rc) {
+ MTestPrintErrorMsg( "MPI_LXOR and MPI_DOUBLE", rc );
+ errs++;
+ }
+ else {
+ if (rank == 0) {
+ if (doutbuf[0] != (size % 2)) {
+ errs++;
+ fprintf( stderr, "double XOR(1) test failed\n" );
+ }
+ if (doutbuf[1]) {
+ errs++;
+ fprintf( stderr, "double XOR(0) test failed\n" );
+ }
+ if (doutbuf[2] == (size % 2) && size > 1) {
+ errs++;
+ fprintf( stderr, "double XOR(>) test failed\n" );
+ }
+ }
+ }
+
+#ifdef HAVE_LONG_DOUBLE
+ { long double ldinbuf[3], ldoutbuf[3];
+ /* long double */
+ ldinbuf[0] = 1;
+ ldinbuf[1] = 0;
+ ldinbuf[2] = (rank > 0);
+
+ ldoutbuf[0] = 0;
+ ldoutbuf[1] = 1;
+ ldoutbuf[2] = 1;
+ if (MPI_LONG_DOUBLE != MPI_DATATYPE_NULL) {
+ MTestPrintfMsg( 10, "Reduce of MPI_LONG_DOUBLE\n" );
+ rc = MPI_Reduce( ldinbuf, ldoutbuf, 3, MPI_LONG_DOUBLE, MPI_LXOR, 0, comm );
+ if (rc) {
+ MTestPrintErrorMsg( "MPI_LXOR and MPI_LONG_DOUBLE", rc );
+ errs++;
+ }
+ else {
+ if (rank == 0) {
+ if (ldoutbuf[0] != (size % 2)) {
+ errs++;
+ fprintf( stderr, "long double XOR(1) test failed\n" );
+ }
+ if (ldoutbuf[1]) {
+ errs++;
+ fprintf( stderr, "long double XOR(0) test failed\n" );
+ }
+ if (ldoutbuf[2] == (size % 2) && size > 1) {
+ errs++;
+ fprintf( stderr, "long double XOR(>) test failed\n" );
+ }
+ }
+ }
+ }
+ }
+#endif /* HAVE_LONG_DOUBLE */
+#endif /* USE_STRICT_MPI */
+
+#ifdef HAVE_LONG_LONG
+ {
+ long long llinbuf[3], lloutbuf[3];
+ /* long long */
+ llinbuf[0] = 1;
+ llinbuf[1] = 0;
+ llinbuf[2] = (rank > 0);
+
+ lloutbuf[0] = 0;
+ lloutbuf[1] = 1;
+ lloutbuf[2] = 1;
+ if (MPI_LONG_LONG != MPI_DATATYPE_NULL) {
+ MTestPrintfMsg( 10, "Reduce of MPI_LONG_LONG\n" );
+ rc = MPI_Reduce( llinbuf, lloutbuf, 3, MPI_LONG_LONG, MPI_LXOR, 0, comm );
+ if (rc) {
+ MTestPrintErrorMsg( "MPI_LXOR and MPI_LONG_LONG", rc );
+ errs++;
+ }
+ else {
+ if (rank == 0) {
+ if (lloutbuf[0] != (size % 2)) {
+ errs++;
+ fprintf( stderr, "long long XOR(1) test failed\n" );
+ }
+ if (lloutbuf[1]) {
+ errs++;
+ fprintf( stderr, "long long XOR(0) test failed\n" );
+ }
+ if (lloutbuf[2] == (size % 2) && size > 1) {
+ errs++;
+ fprintf( stderr, "long long XOR(>) test failed\n" );
+ }
+ }
+ }
+ }
+ }
+#endif
+
+ MPI_Errhandler_set( comm, MPI_ERRORS_ARE_FATAL );
+ MTest_Finalize( errs );
+ MPI_Finalize();
+ return 0;
+}
