matrix.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_MATRIX_BASE
#define _H_GRB_MATRIX_BASE
 
#include <iterator>
 
#include <stddef.h>
 
#include <utility>
 
#include <graphblas/backends.hpp>
#include <graphblas/descriptors.hpp>
#include <graphblas/ops.hpp>
#include <graphblas/rc.hpp>
 
 
namespace grb {
 
    template<
        typename D, enum Backend implementation,
        typename RowIndexType,
        typename ColIndexType,
        typename NonzeroIndexType
    >
    class Matrix {
 
        public :
 
            typedef Matrix<
                D, implementation,
                RowIndexType, ColIndexType, NonzeroIndexType
            > self_type;
 
            class const_iterator : public std::iterator<
                std::forward_iterator_tag,
                std::pair< std::pair< const size_t, const size_t >, const D >,
                size_t
            > {
 
                public :
 
                    bool operator==( const const_iterator &other ) const {
                        (void)other;
                        return false;
                    }
 
                    bool operator!=( const const_iterator &other ) const {
                        (void)other;
                        return true;
                    }
 
                    std::pair< const size_t, const D > operator*() const {
                        return std::pair< const size_t, const D >();
                    }
 
                    const_iterator & operator++() {
                        return *this;
                    }
 
            };
 
            typedef D value_type;
 
            Matrix( const size_t rows, const size_t columns, const size_t nz ) {
                (void) rows;
                (void) columns;
                (void) nz;
            }
 
            Matrix( const size_t rows, const size_t columns ) {
                (void)rows;
                (void)columns;
            }
 
            Matrix(
                const Matrix<
                    D, implementation,
                    RowIndexType, ColIndexType, NonzeroIndexType
                > &other
            ) {
                (void) other;
            }
 
            Matrix( self_type &&other ) {
                (void) other;
            }
 
            self_type& operator=( self_type &&other ) noexcept {
                *this = std::move( other );
                return *this;
            }
 
            ~Matrix() {}
 
            const_iterator cbegin() const {}
 
            const_iterator begin() const {}
 
            const_iterator cend() const {}
 
            const_iterator end() const {}
 
    };
 
} // end namespace ``grb''
 
#endif // end _H_GRB_MATRIX_BASE