wehub-resource-sync
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
/* ******************************************************************************
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*
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* See the NOTICE file distributed with this work for additional
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* information regarding copyright ownership.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author Yurii Shyrma, created on 31.03.2018
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//
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#include <ops/declarable/CustomOperations.h>
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#if NOT_EXCLUDED(OP_tri)
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namespace sd {
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namespace ops {
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//////////////////////////////////////////////////////////////////////////
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CUSTOM_OP_IMPL(tri, -2, 1, false, 0, 1) {
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auto output = OUTPUT_VARIABLE(0);
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const int diag = block.numI() > 2 ? INT_ARG(2) : 0;
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char direction = diag <= 0 || diag == 0 || diag > 0 ? 'l': 'u';
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BUILD_SINGLE_SELECTOR(output->dataType(), output->fillAsTriangular,
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(1., diag, diag, *output, direction),
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SD_COMMON_TYPES); // fill with unities lower triangular block of matrix
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return Status::OK;
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}
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DECLARE_TYPES(tri) { getOpDescriptor()->setAllowedOutputTypes(0, {ALL_FLOATS, ALL_INTS}); }
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DECLARE_SHAPE_FN(tri) {
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const int rows = INT_ARG(0);
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const int cols = block.numI() > 1 ? INT_ARG(1) : rows;
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auto dtype = block.numD() ? D_ARG(0) : FLOAT32;
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return SHAPELIST(ConstantShapeHelper::getInstance().createShapeInfo(dtype, 'c', {rows, cols}));
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}
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} // namespace ops
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} // namespace sd
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#endif
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