/*******************************************************************************
 * Copyright (c) 2015-2018 Skymind, Inc.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://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.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

//
// Created by raver119 on 15.10.2017.
//

#ifndef LIBND4J_LOGICOP_H
#define LIBND4J_LOGICOP_H

#include "DeclarableOp.h"

namespace nd4j {
    namespace ops {

        /**
         * Logic ops are unique snowflakes in any Graph. They dramatically change Graph Execution process, by introducing loops, conditions, etc.
         *
         * Their code is the part of GraphExecutioner logic. But we still want them to be expressed via Graph
         * @tparam T
         */
        class ND4J_EXPORT LogicOp : public DeclarableOp {
        protected:
            Nd4jStatus validateAndExecute(nd4j::graph::Context& block) override;
        public:
            LogicOp(const char *name);
            ~LogicOp() = default;

            ShapeList* calculateOutputShape(ShapeList* inputShape, nd4j::graph::Context &block) override;
        };
    }
}


#endif //LIBND4J_LOGICOP_H
