cavis/libnd4j/include/ops/declarable/helpers/lstmLayer.h

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C++

/*******************************************************************************
* 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
******************************************************************************/
//
// @author Yurii Shyrma (iuriish@yahoo.com)
//
#ifndef LIBND4J_LSTMLAYER_H
#define LIBND4J_LSTMLAYER_H
#include <ops/declarable/helpers/helpers.h>
namespace sd {
namespace ops {
namespace helpers {
//////////////////////////////////////////////////////////////////////////
void ND4J_EXPORT lstmLayerCell(const NDArray* x, const NDArray* Wx, const NDArray* Wr,
const NDArray* b, const NDArray* hI, const NDArray* cI, const NDArray* Wp,
const std::vector<float>& params,
NDArray* h, NDArray* c);
//////////////////////////////////////////////////////////////////////////
// this auxiliary ff should be running before backprop
void ND4J_EXPORT lstmLayerCell(const NDArray* x, const NDArray* Wx, const NDArray* Wr,
const NDArray* b, const NDArray* hI, const NDArray* cI, const NDArray* Wp,
const std::vector<float>& params,
NDArray* z, NDArray* a, NDArray* h, NDArray* c);
//////////////////////////////////////////////////////////////////////////
void ND4J_EXPORT lstmLayerCellBp(const NDArray* x, const NDArray* Wx, const NDArray* Wr, const NDArray* b, const NDArray* hI, const NDArray* cI, const NDArray* Wp,
const NDArray* dLdh, const NDArray* dLdhL, const NDArray* dLdcL,
const NDArray* z, const NDArray* a, const NDArray* c, const std::vector<float>& params,
NDArray* dLdx, NDArray* dLdWx, NDArray* dLdWr, NDArray* dLdhI, NDArray* dLdcI, NDArray* dLdb, NDArray* dLdWp);
//////////////////////////////////////////////////////////////////////////
void ND4J_EXPORT lstmLayerTimeLoop(const NDArray* x, const NDArray* Wx, const NDArray* Wr,
const NDArray* b, const NDArray* seqLen, const NDArray* hI, const NDArray* cI, const NDArray* Wp,
const std::vector<float>& params,
const bool forward,
NDArray* h, NDArray* hL, NDArray* cL);
//////////////////////////////////////////////////////////////////////////
void ND4J_EXPORT lstmLayerTimeLoopBp(const NDArray* x, const NDArray* Wx, const NDArray* Wr,
const NDArray* b, const NDArray* seqLen, NDArray* hI, NDArray* cI, const NDArray* Wp,
const NDArray* dLdh, const NDArray* dLdhL, const NDArray* dLdcL,
const std::vector<float>& params, const bool forward,
NDArray* dLdx, NDArray* dLdWx, NDArray* dLdWr, NDArray* dLdb, NDArray* dLdhI, NDArray* dLdcI, NDArray* dLdWp);
}
}
}
#endif //LIBND4J_LSTMLAYER_H