66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
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/*******************************************************************************
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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 15.07.2018
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//
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#include <OpArgsHolder.h>
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namespace nd4j {
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////////////////////////////////////////////////////////////////////////
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OpArgsHolder OpArgsHolder::createArgsHolderForBP(const std::vector<NDArray*>& inGradArrs, const bool isInPlace) const {
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const int numInGradArrs = inGradArrs.size();
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OpArgsHolder result(std::vector<NDArray*>(_numInArrs + numInGradArrs, nullptr), _tArgs, _iArgs);
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if(isInPlace)
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result._isArrAlloc = std::vector<bool>(_numInArrs + numInGradArrs, false);
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for (int i = 0; i < _numInArrs; ++i) {
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if(isInPlace) {
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result._inArrs[i] = new NDArray(*_inArrs[i]); // make copy
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result._isArrAlloc[i] = true;
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}
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else
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result._inArrs[i] = _inArrs[i];
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}
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// input gradients
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for (int i = 0; i < numInGradArrs; ++i)
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result._inArrs[_numInArrs + i] = inGradArrs[i];
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return result;
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}
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////////////////////////////////////////////////////////////////////////
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// default destructor
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OpArgsHolder::~OpArgsHolder() noexcept {
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for (int i = 0; i < _isArrAlloc.size(); ++i)
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if(_isArrAlloc[i])
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delete _inArrs[i];
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}
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}
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