cavis/libnd4j/include/ops/declarable/generic/linalg/diag.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 Yurii Shyrma (iuriish@yahoo.com), created on 06.12.2017
//
#include <system/op_boilerplate.h>
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#if NOT_EXCLUDED(OP_diag)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/diag.h>
namespace sd {
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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());
// TODO: still not sure if we really want this
output->assign(0);
helpers::diagFunctor(block.launchContext(), input, output);
return Status::OK();
}
DECLARE_SYN(MatrixDiag, diag);
DECLARE_TYPES(diag) {
getOpDescriptor()
->setAllowedInputTypes(sd::DataType::ANY)
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->setSameMode(true);
}
//////////////////////////////////////////////////////////////////////////
DECLARE_SHAPE_FN(diag) {
const Nd4jLong* inputShapeInfo = inputShape->at(0);
return SHAPELIST(ShapeUtils::evalDiagShapeInfo(inputShapeInfo, block.workspace()));
}
}
}
#endif