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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
******************************************************************************/
//
// @author Yurii Shyrma (iuriish@yahoo.com), created on 06.12.2017
//
#include <system/op_boilerplate.h>
#if NOT_EXCLUDED(OP_diag)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/diag.h>
namespace sd {
namespace ops {
//////////////////////////////////////////////////////////////////////////
CUSTOM_OP_IMPL(diag, 1, 1, false, 0, 0) {
auto input = INPUT_VARIABLE(0);
auto output = OUTPUT_VARIABLE(0);
// input validation
REQUIRE_TRUE(input->rankOf() <= 3, 0, "CUSTOM_OP diag: rank of input array must be <= 3 !, but got %i instead",
input->rankOf());
int zero = 0;
output->assign(zero);
helpers::diagFunctor(block.launchContext(), input, output);
return Status::OK;
}
DECLARE_SYN(MatrixDiag, diag);
DECLARE_TYPES(diag) { getOpDescriptor()->setAllowedInputTypes(ANY)->setSameMode(true); }
//////////////////////////////////////////////////////////////////////////
DECLARE_SHAPE_FN(diag) {
LongType* inputShapeInfo = inputShape->at(0);
return SHAPELIST(ShapeUtils::evalDiagShapeInfo(inputShapeInfo, block.workspace()));
}
} // namespace ops
} // namespace sd
#endif