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