/*******************************************************************************
 * Copyright (c) 2019-2020 Konduit K.K.
 *
 * 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
 ******************************************************************************/

//
// @author Oleh Semeniv (oleg.semeniv@gmail.com)
//

#ifndef LIBND4J_UPDATER_RMS_PROM_H
#define LIBND4J_UPDATER_RMS_PROM_H

#include <system/op_boilerplate.h>
#include <array/NDArray.h>

namespace sd {
namespace ops {
namespace helpers {

    void updaterRmsProp(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initState, NDArray& update, NDArray& stateG, const double dLr, const double dRmsDecay, const double dEpsilon);
    void updaterAdaGrad(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initState, NDArray& update, NDArray& stateH, const double dLr, const double dEpsilon);
    void updaterNesterovs(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initState, NDArray& update, NDArray& stateV, const double dLr, const double bMomentum);
    void updaterAdaMax(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initStateU, const NDArray& initStateM, NDArray& update, NDArray& stateU, NDArray& stateM, const double dLr, const double dBeta1, const double dBeta2, const double dEpsilon, const int nIteration);
    void updaterAdam(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initStateU, const NDArray& initStateM, NDArray& update, NDArray& stateU, NDArray& stateM,  const double dLr, const double dBeta1, const double dBeta2, const double dEpsilon, const int nIteration);
    void updaterAdaDelta(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initStateMsg, const NDArray& initStateMsdx, NDArray& update, NDArray& stateMsg, NDArray& stateMsdx, const double dRho, const double dEpsilon);
    void updaterNadam(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initStateV, const NDArray& initStateM, NDArray& update, NDArray& stateV, NDArray& stateM, const double dLr, const double dBeta1, const double dBeta2, const double dEpsilon, const int nIteration);
    void updaterAmsGrad(sd::LaunchContext* context, const NDArray& gradient, const NDArray& initStateV, const NDArray& initStateM, const NDArray& initStateH, NDArray& update, NDArray& stateV, NDArray& stateM, NDArray& stateH, const double dLr, const double dBeta1, const double dBeta2, const double dEpsilon, const int nIteration);

}
}
}

#endif