64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author Yurii Shyrma (iuriish@yahoo.com), created on 15.02.2018
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//
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#ifndef LIBND4J_GRU_H
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#define LIBND4J_GRU_H
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#include <ops/declarable/helpers/helpers.h>
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namespace nd4j {
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namespace ops {
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namespace helpers {
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void gruCell(nd4j::LaunchContext * context, const NDArray* x, const NDArray* hLast, const NDArray* Wru, const NDArray* Wc,
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const NDArray* bru, const NDArray* bc,
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NDArray* r, NDArray* u, NDArray* c, NDArray* h);
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void gruTimeLoop(nd4j::LaunchContext * context, const NDArray* x, const NDArray* h0, const NDArray* Wx, const NDArray* Wh, const NDArray* b, NDArray* h);
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void gruCellBP(nd4j::LaunchContext * context, const NDArray* x, const NDArray* h0, const NDArray* Wx, const NDArray* Wh, const NDArray* b, const NDArray* dLdh, const NDArray* dLdWx0,
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const NDArray* dLdWh0, const NDArray* dLdb0, NDArray* dLdx, NDArray* dLdh0, NDArray* dLdWx, NDArray* dLdWh, NDArray* dLdb);
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//////////////////////////////////////////////////////////////////////////
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FORCEINLINE NDArray sigmoid(const NDArray& arr) {
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return (const_cast<NDArray&>(arr)).transform(transform::Sigmoid);
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}
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FORCEINLINE void sigmoidInplace(const NDArray& arr) {
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(const_cast<NDArray&>(arr)).applyTransform(transform::Sigmoid);
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}
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//////////////////////////////////////////////////////////////////////////
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FORCEINLINE NDArray tanh(const NDArray& arr) {
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return (const_cast<NDArray&>(arr)).transform(transform::Tanh);
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}
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FORCEINLINE void tanhInplace(const NDArray& arr) {
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(const_cast<NDArray&>(arr)).applyTransform(transform::Tanh);
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}
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}
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}
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}
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#endif //LIBND4J_GRU_H
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