descriptors.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_DESCRIPTOR
#define _H_GRB_DESCRIPTOR

#include <string>


namespace grb {

    typedef unsigned int Descriptor;

    namespace descriptors {

        static constexpr Descriptor no_operation = 0;

        static constexpr Descriptor invert_mask = 1;

        static constexpr Descriptor transpose_matrix = 2;

        static constexpr Descriptor no_duplicates = 4;

        static constexpr Descriptor structural = 8;

        static constexpr Descriptor structural_complement = structural | invert_mask;

        static constexpr Descriptor dense = 16;

        static constexpr Descriptor add_identity = 32;

        static constexpr Descriptor use_index = 64;

        static constexpr Descriptor no_casting = 256;

        static constexpr Descriptor explicit_zero = 512;

        static constexpr Descriptor safe_overlap = 1024;

        static constexpr Descriptor transpose_left = 2048;

        static constexpr Descriptor transpose_right = 4096;

        // Put internal, backend-specific descriptors last


        static constexpr Descriptor force_row_major = 8192;

        std::string toString( const Descriptor descr );

    } // namespace descriptors

    namespace internal {

        static constexpr Descriptor MAX_DESCRIPTOR_VALUE = 16383;

    } // namespace internal

} // namespace grb

#endif