misc.hpp

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//
// This file is part of pomerol, an exact diagonalization library aimed at
// solving condensed matter models of interacting fermions.
//
// Copyright (C) 2016-2025 A. Antipov, I. Krivenko and contributors
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 
#ifndef POMEROL_INCLUDE_MPI_DISPATCHER_MISC_HPP
#define POMEROL_INCLUDE_MPI_DISPATCHER_MISC_HPP
 
#include <mpi.h>
 
namespace pMPI {
 
 
inline int size(MPI_Comm const& Comm) {
    int s;
    MPI_Comm_size(Comm, &s);
    return s;
}
 
inline int rank(MPI_Comm const& Comm) {
    int r;
    MPI_Comm_rank(Comm, &r);
    return r;
}
 
 
} // namespace pMPI
 
#endif // #ifndef POMEROL_INCLUDE_MPI_DISPATCHER_MISC_HPP