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/* -*- Mode: C++; c-basic-offset:4 ; -*- */
/*
*
* (C) 2003 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpi.h"
#include "mpitestconf.h"
#ifdef HAVE_IOSTREAM
// Not all C++ compilers have iostream instead of iostream.h
#include <iostream>
#ifdef HAVE_NAMESPACE_STD
// Those that do often need the std namespace; otherwise, a bare "cout"
// is likely to fail to compile
using namespace std;
#endif
#else
#include <iostream.h>
#endif
#include "mpitestcxx.h"
void Explore(MPI::Datatype, int, int &);
int main(int argc, char *argv[])
{
int errs = 0;
MPI::Datatype ntype1, ntype2;
MTest_Init();
Explore(MPI::INT, MPI::COMBINER_NAMED, errs);
Explore(MPI::BYTE, MPI::COMBINER_NAMED, errs);
ntype1 = MPI::DOUBLE.Create_vector(10, 1, 30);
ntype2 = ntype1.Dup();
Explore(ntype1, MPI::COMBINER_VECTOR, errs);
Explore(ntype2, MPI::COMBINER_DUP, errs);
ntype2.Free();
ntype1.Free();
MTest_Finalize(errs);
return 0;
}
#define MAX_NINTS 10
#define MAX_DTYPES 10
#define MAX_ASIZEV 10
void Explore(MPI::Datatype dtype, int mycomb, int &errs)
{
int nints, nadds, ntype, combiner;
int intv[MAX_NINTS];
MPI::Aint aintv[MAX_ASIZEV];
MPI::Datatype dtypesv[MAX_DTYPES];
dtype.Get_envelope(nints, nadds, ntype, combiner);
if (combiner != MPI::COMBINER_NAMED) {
dtype.Get_contents(MAX_NINTS, MAX_ASIZEV, MAX_DTYPES, intv, aintv, dtypesv);
if (combiner != mycomb) {
errs++;
cout << "Expected combiner " << mycomb << " but got " << combiner << "\n";
}
// List all combiner types to check that they are defined in mpif.h
if (combiner == MPI::COMBINER_NAMED) {;
} else if (combiner == MPI::COMBINER_DUP) {
dtypesv[0].Free();
} else if (combiner == MPI::COMBINER_CONTIGUOUS) {;
} else if (combiner == MPI::COMBINER_VECTOR) {;
} else if (combiner == MPI::COMBINER_HVECTOR_INTEGER) {;
} else if (combiner == MPI::COMBINER_HVECTOR) {;
} else if (combiner == MPI::COMBINER_INDEXED) {;
} else if (combiner == MPI::COMBINER_HINDEXED_INTEGER) {;
} else if (combiner == MPI::COMBINER_HINDEXED) {;
} else if (combiner == MPI::COMBINER_INDEXED_BLOCK) {;
} else if (combiner == MPI::COMBINER_STRUCT_INTEGER) {;
} else if (combiner == MPI::COMBINER_STRUCT) {;
} else if (combiner == MPI::COMBINER_SUBARRAY) {;
} else if (combiner == MPI::COMBINER_DARRAY) {;
} else if (combiner == MPI::COMBINER_F90_REAL) {;
} else if (combiner == MPI::COMBINER_F90_COMPLEX) {;
} else if (combiner == MPI::COMBINER_F90_INTEGER) {;
} else if (combiner == MPI::COMBINER_RESIZED) {;
} else {
errs++;
cout << "Unknown combiner " << combiner << "\n";
}
}
}
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