spmd.hpp

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/*
 *   Copyright 2021 Huawei Technologies Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _H_GRB_BASE_SPMD
#define _H_GRB_BASE_SPMD

#include <cstddef> //size_t

#include <stdint.h> // SIZE_MAX

#include <graphblas/backends.hpp>
#include <graphblas/rc.hpp>

#include "config.hpp"


namespace grb {

    template< Backend implementation >
    class spmd {

        public:

            static inline size_t nprocs() noexcept {
                return 0;
            }

            static inline size_t pid() noexcept {
                return SIZE_MAX;
            }

            static enum RC sync( const size_t msgs_in = 0, const size_t msgs_out = 0 ) noexcept {
                (void) msgs_in;
                (void) msgs_out;
                return PANIC;
            }

    }; // end class ``spmd''

} // namespace grb

#endif // end _H_GRB_BASE_SPMD