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deeplearning4j--deeplearning4j/libnd4j/include/ops/declarable/generic/tensor/zeros_as.cpp
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2026-07-13 12:47:05 +08:00

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/* ******************************************************************************
*
*
* 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
******************************************************************************/
//
// Created by raver119 on 12.10.2017.
//
#include <system/op_boilerplate.h>
#if NOT_EXCLUDED(OP_zeros_as)
#include <ops/declarable/CustomOperations.h>
namespace sd {
namespace ops {
CUSTOM_OP_IMPL(zeros_as, 1, 1, false, 0, 0) {
auto out = OUTPUT_VARIABLE(0);
int zero = 0;
out->assign(zero); // output is filled by zero by default
return Status::OK;
}
DECLARE_SYN(zeroslike, zeros_as);
DECLARE_SYN(zeros_like, zeros_as);
DECLARE_SHAPE_FN(zeros_as) {
auto in = inputShape->at(0);
auto dtype = block.numD() ? D_ARG(0) : ArrayOptions::dataType(in);
if(shape::isEmptyConst(in)) {
if(shape::rank(in) < 1) {
return SHAPELIST(ConstantShapeHelper::getInstance().emptyShapeInfo(dtype));
}
std::vector<LongType> inShape;
auto inShape2 = shape::shapeOf(in);
for(int i = 0; i < shape::rank(in); i++) {
inShape.emplace_back(inShape2[i]);
}
return SHAPELIST(ConstantShapeHelper::getInstance().emptyShapeInfoWithShape(dtype,inShape));
}
auto shape = ConstantShapeHelper::getInstance().createShapeInfo(dtype, in);
return SHAPELIST(shape);
}
DECLARE_TYPES(zeros_as) {
getOpDescriptor()
->setAllowedInputTypes(ANY)
->setAllowedOutputTypes(ANY)
->setSameMode(false);
}
} // namespace ops
} // namespace sd
#endif