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/*
* Copyright (C) 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_PROD operations on optional datatypes dupported by MPICH";
*/
typedef struct {
double r, i;
} d_complex;
#ifdef HAVE_LONG_DOUBLE
typedef struct {
long double r, i;
} ld_complex;
#endif
/*
* 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 rank, size, maxsize, result[6] = { 1, 1, 2, 6, 24, 120 };
MPI_Comm comm;
char cinbuf[3], coutbuf[3];
signed char scinbuf[3], scoutbuf[3];
unsigned char ucinbuf[3], ucoutbuf[3];
d_complex dinbuf[3], doutbuf[3];
MTest_Init(&argc, &argv);
comm = MPI_COMM_WORLD;
MPI_Comm_rank(comm, &rank);
MPI_Comm_size(comm, &size);
if (size > 5)
maxsize = 5;
else
maxsize = size;
/* General formula: If we multiple the values from 1 to n, the
* product is n!. This grows very fast, so we'll only use the first
* five (1! = 1, 2! = 2, 3! = 6, 4! = 24, 5! = 120), with n!
* stored in the array result[n] */
#ifndef USE_STRICT_MPI
/* char */
MTestPrintfMsg(10, "Reduce of MPI_CHAR\n");
cinbuf[0] = (rank < maxsize && rank > 0) ? rank : 1;
cinbuf[1] = 0;
cinbuf[2] = (rank > 1);
coutbuf[0] = 0;
coutbuf[1] = 1;
coutbuf[2] = 1;
MPI_Reduce(cinbuf, coutbuf, 3, MPI_CHAR, MPI_PROD, 0, comm);
if (rank == 0) {
if (coutbuf[0] != (char) result[maxsize - 1]) {
errs++;
fprintf(stderr, "char PROD(rank) test failed (%d!=%d)\n",
(int) coutbuf[0], (int) result[maxsize]);
}
if (coutbuf[1]) {
errs++;
fprintf(stderr, "char PROD(0) test failed\n");
}
if (size > 1 && coutbuf[2]) {
errs++;
fprintf(stderr, "char PROD(>) test failed\n");
}
}
#endif /* USE_STRICT_MPI */
/* signed char */
MTestPrintfMsg(10, "Reduce of MPI_SIGNED_CHAR\n");
scinbuf[0] = (rank < maxsize && rank > 0) ? rank : 1;
scinbuf[1] = 0;
scinbuf[2] = (rank > 1);
scoutbuf[0] = 0;
scoutbuf[1] = 1;
scoutbuf[2] = 1;
MPI_Reduce(scinbuf, scoutbuf, 3, MPI_SIGNED_CHAR, MPI_PROD, 0, comm);
if (rank == 0) {
if (scoutbuf[0] != (signed char) result[maxsize - 1]) {
errs++;
fprintf(stderr, "signed char PROD(rank) test failed (%d!=%d)\n",
(int) scoutbuf[0], (int) result[maxsize]);
}
if (scoutbuf[1]) {
errs++;
fprintf(stderr, "signed char PROD(0) test failed\n");
}
if (size > 1 && scoutbuf[2]) {
errs++;
fprintf(stderr, "signed char PROD(>) test failed\n");
}
}
/* unsigned char */
MTestPrintfMsg(10, "Reduce of MPI_UNSIGNED_CHAR\n");
ucinbuf[0] = (rank < maxsize && rank > 0) ? rank : 1;
ucinbuf[1] = 0;
ucinbuf[2] = (rank > 0);
ucoutbuf[0] = 0;
ucoutbuf[1] = 1;
ucoutbuf[2] = 1;
MPI_Reduce(ucinbuf, ucoutbuf, 3, MPI_UNSIGNED_CHAR, MPI_PROD, 0, comm);
if (rank == 0) {
if (ucoutbuf[0] != (unsigned char) result[maxsize - 1]) {
errs++;
fprintf(stderr, "unsigned char PROD(rank) test failed\n");
}
if (ucoutbuf[1]) {
errs++;
fprintf(stderr, "unsigned char PROD(0) test failed\n");
}
if (size > 1 && ucoutbuf[2]) {
errs++;
fprintf(stderr, "unsigned char PROD(>) test failed\n");
}
}
#ifndef USE_STRICT_MPI
/* For some reason, complex is not allowed for sum and prod */
if (MPI_DOUBLE_COMPLEX != MPI_DATATYPE_NULL) {
int dc;
#ifdef HAVE_LONG_DOUBLE
ld_complex ldinbuf[3], ldoutbuf[3];
MTEST_VG_MEM_INIT(ldinbuf, 3 * sizeof(ldinbuf[0]));
#endif
/* Must determine which C type matches this Fortran type */
MPI_Type_size(MPI_DOUBLE_COMPLEX, &dc);
if (dc == sizeof(d_complex)) {
/* double complex; may be null if we do not have Fortran support */
dinbuf[0].r = (rank < maxsize && rank > 0) ? rank : 1;
dinbuf[1].r = 0;
dinbuf[2].r = (rank > 0);
dinbuf[0].i = 0;
dinbuf[1].i = 1;
dinbuf[2].i = -(rank > 0);
doutbuf[0].r = 0;
doutbuf[1].r = 1;
doutbuf[2].r = 1;
doutbuf[0].i = 0;
doutbuf[1].i = 1;
doutbuf[2].i = 1;
MPI_Reduce(dinbuf, doutbuf, 3, MPI_DOUBLE_COMPLEX, MPI_PROD, 0, comm);
if (rank == 0) {
double imag, real;
if (doutbuf[0].r != (double) result[maxsize - 1] || doutbuf[0].i != 0) {
errs++;
fprintf(stderr, "double complex PROD(rank) test failed\n");
}
/* Multiplying the imaginary part depends on size mod 4 */
imag = 1.0;
real = 0.0; /* Make compiler happy */
switch (size % 4) {
case 1:
imag = 1.0;
real = 0.0;
break;
case 2:
imag = 0.0;
real = -1.0;
break;
case 3:
imag = -1.0;
real = 0.0;
break;
case 0:
imag = 0.0;
real = 1.0;
break;
}
if (doutbuf[1].r != real || doutbuf[1].i != imag) {
errs++;
fprintf(stderr, "double complex PROD(i) test failed (%f,%f)!=(%f,%f)\n",
doutbuf[1].r, doutbuf[1].i, real, imag);
}
if (doutbuf[2].r != 0 || doutbuf[2].i != 0) {
errs++;
fprintf(stderr, "double complex PROD(>) test failed\n");
}
}
}
#ifdef HAVE_LONG_DOUBLE
else if (dc == sizeof(ld_complex)) {
/* double complex; may be null if we do not have Fortran support */
ldinbuf[0].r = (rank < maxsize && rank > 0) ? rank : 1;
ldinbuf[1].r = 0;
ldinbuf[2].r = (rank > 0);
ldinbuf[0].i = 0;
ldinbuf[1].i = 1;
ldinbuf[2].i = -(rank > 0);
ldoutbuf[0].r = 0;
ldoutbuf[1].r = 1;
ldoutbuf[2].r = 1;
ldoutbuf[0].i = 0;
ldoutbuf[1].i = 1;
ldoutbuf[2].i = 1;
MPI_Reduce(ldinbuf, ldoutbuf, 3, MPI_DOUBLE_COMPLEX, MPI_PROD, 0, comm);
if (rank == 0) {
long double imag, real;
if (ldoutbuf[0].r != (double) result[maxsize - 1] || ldoutbuf[0].i != 0) {
errs++;
fprintf(stderr, "double complex PROD(rank) test failed\n");
}
/* Multiplying the imaginary part depends on size mod 4 */
imag = 1.0;
real = 0.0; /* Make compiler happy */
switch (size % 4) {
case 1:
imag = 1.0;
real = 0.0;
break;
case 2:
imag = 0.0;
real = -1.0;
break;
case 3:
imag = -1.0;
real = 0.0;
break;
case 0:
imag = 0.0;
real = 1.0;
break;
}
if (ldoutbuf[1].r != real || ldoutbuf[1].i != imag) {
errs++;
fprintf(stderr, "double complex PROD(i) test failed (%Lf,%Lf)!=(%Lf,%Lf)\n",
ldoutbuf[1].r, ldoutbuf[1].i, real, imag);
}
if (ldoutbuf[2].r != 0 || ldoutbuf[2].i != 0) {
errs++;
fprintf(stderr, "double complex PROD(>) test failed\n");
}
}
}
#endif /* HAVE_LONG_DOUBLE */
}
#endif /* USE_STRICT_MPI */
#ifdef HAVE_LONG_DOUBLE
{
long double ldinbuf[3], ldoutbuf[3];
MTEST_VG_MEM_INIT(ldinbuf, 3 * sizeof(ldinbuf[0]));
/* long double */
ldinbuf[0] = (rank < maxsize && rank > 0) ? rank : 1;
ldinbuf[1] = 0;
ldinbuf[2] = (rank > 0);
ldoutbuf[0] = 0;
ldoutbuf[1] = 1;
ldoutbuf[2] = 1;
if (MPI_LONG_DOUBLE != MPI_DATATYPE_NULL) {
MPI_Reduce(ldinbuf, ldoutbuf, 3, MPI_LONG_DOUBLE, MPI_PROD, 0, comm);
if (rank == 0) {
if (ldoutbuf[0] != (long double) result[maxsize - 1]) {
errs++;
fprintf(stderr, "long double PROD(rank) test failed\n");
}
if (ldoutbuf[1]) {
errs++;
fprintf(stderr, "long double PROD(0) test failed\n");
}
if (size > 1 && ldoutbuf[2] != 0) {
errs++;
fprintf(stderr, "long double PROD(>) test failed\n");
}
}
}
}
#endif /* HAVE_LONG_DOUBLE */
#ifdef HAVE_LONG_LONG
{
long long llinbuf[3], lloutbuf[3];
/* long long */
llinbuf[0] = (rank < maxsize && rank > 0) ? rank : 1;
llinbuf[1] = 0;
llinbuf[2] = (rank > 0);
lloutbuf[0] = 0;
lloutbuf[1] = 1;
lloutbuf[2] = 1;
if (MPI_LONG_LONG != MPI_DATATYPE_NULL) {
MPI_Reduce(llinbuf, lloutbuf, 3, MPI_LONG_LONG, MPI_PROD, 0, comm);
if (rank == 0) {
if (lloutbuf[0] != (long long) result[maxsize - 1]) {
errs++;
fprintf(stderr, "long long PROD(rank) test failed\n");
}
if (lloutbuf[1]) {
errs++;
fprintf(stderr, "long long PROD(0) test failed\n");
}
if (size > 1 && lloutbuf[2]) {
errs++;
fprintf(stderr, "long long PROD(>) test failed\n");
}
}
}
}
#endif /* HAVE_LONG_LONG */
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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