cavis/libnd4j/include/ops/declarable/generic/shape/shapes.cpp

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/*******************************************************************************
* 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 raver119@gmail.com
//
#include <system/op_boilerplate.h>
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#if NOT_EXCLUDED(OP_shapes_of)
#include <ops/declarable/CustomOperations.h>
namespace sd {
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namespace ops {
CUSTOM_OP_IMPL(shapes_of, -1, -1, false, 0, 0) {
for (int e = 0; e < block.width(); e++) {
auto x = INPUT_VARIABLE(e);
auto z = OUTPUT_VARIABLE(e);
for (int i = 0; i < x->rankOf(); i++)
z->p(i, x->sizeAt(i));
}
return Status::OK();
};
DECLARE_SYN(shape_n, shapes_of);
DECLARE_SHAPE_FN(shapes_of) {
auto shapeList = SHAPELIST();
for (int e = 0; e < inputShape->size(); e++) {
auto inShape = inputShape->at(e);
shapeList->push_back(ConstantShapeHelper::getInstance()->vectorShapeInfo(shape::rank(inShape), sd::DataType::INT64));
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}
return shapeList;
};
DECLARE_TYPES(shapes_of) {
getOpDescriptor()
->setAllowedInputTypes(sd::DataType::ANY)
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->setAllowedOutputTypes({ALL_INTS});
}
}
}
#endif