cavis/libnd4j/include/ops/declarable/helpers/cpu/meshgrid.cpp

56 lines
1.7 KiB
C++

/* ******************************************************************************
*
*
* 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.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
* 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 18.04.2018
//
#include<ops/declarable/helpers/meshgrid.h>
#include <array/ResultSet.h>
#include <numeric>
namespace sd {
namespace ops {
namespace helpers {
//////////////////////////////////////////////////////////////////////////
void meshgrid(sd::LaunchContext * context, const std::vector<NDArray*>& inArrs, const std::vector<NDArray*>& outArrs, const bool swapFirst2Dims) {
const int rank = inArrs.size();
int inIndices[MAX_RANK];
std::iota(inIndices, inIndices + rank, 0);
if(swapFirst2Dims && rank > 1) {
inIndices[0] = 1;
inIndices[1] = 0;
}
for(int i = 0; i < rank; ++i) {
auto list = outArrs[i]->allTensorsAlongDimension({inIndices[i]});
for(int j = 0; j < list.size(); ++j)
list.at(j)->assign(inArrs[i]);
}
}
}
}
}