cavis/libnd4j/include/helpers/AttentionHelper.h

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/*******************************************************************************
* Copyright (c) 2015-2019 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 Paul Dubs
//
#ifndef LIBND4J_ATTENTIONHELPER_H
#define LIBND4J_ATTENTIONHELPER_H
#include "array/NDArray.h"
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namespace sd {
class ND4J_EXPORT AttentionHelper {
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public:
static sd::NDArray multiHeadProject(const sd::NDArray* input, const sd::NDArray* projectionMatrix, sd::LaunchContext * context = sd::LaunchContext ::defaultContext());
static void multiHeadProjectBp(const sd::NDArray* input, const sd::NDArray* projectionMatrix, const sd::NDArray* eps, sd::NDArray* dLdInput, sd::NDArray* dLdProjectionMatrix, sd::LaunchContext * context = sd::LaunchContext ::defaultContext());
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};
}
#endif