/* -*- 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 */

        MTEST_VG_MEM_INIT(ldinbuf, 3 * sizeof(ldinbuf[0]));

        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);

    return MTestReturnValue(errs);

}