wehub-resource-sync
107 lines
3.9 KiB
C++
107 lines
3.9 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 (iuriish@yahoo.com), created on 1.08.2018
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//
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#include <system/op_boilerplate.h>
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#if NOT_EXCLUDED(OP_scatter_min)
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#include <ops/declarable/CustomOperations.h>
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#include <ops/declarable/generic/helpers/ScatterHelper.h>
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namespace sd {
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namespace ops {
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OP_IMPL(scatter_min, 3, 1, true) {
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auto input = INPUT_VARIABLE(0);
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auto indices = INPUT_VARIABLE(1);
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auto updates = INPUT_VARIABLE(2);
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if(indices->isEmpty())
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return Status::OK;
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auto output = OUTPUT_VARIABLE(0);
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if (!block.isInplace()) output->assign(input);
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const bool lock = block.getBArguments()->empty() ? false : B_ARG(0);
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const bool checkIndices = block.getBArguments()->size() <= 1 ? false : B_ARG(1);
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const int inRank = input->rankOf();
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const int indRank = indices->rankOf();
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const int updRank = updates->rankOf();
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REQUIRE_TRUE(inRank > 0, 0, "SCATTER_MIN OP: input should not be scalar !");
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if (inRank <= 1) {
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REQUIRE_TRUE(indices->isSameShape(updates), 0,
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"SCATTER_MIN OP: when input array has rank = 1 then indices and updates must have the same shapes, "
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"but got %s and %s correspondingly !",
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ShapeUtils::shapeAsString(indices).c_str(), ShapeUtils::shapeAsString(updates).c_str());
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} else if (inRank == updRank && indices->isVector()) {
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auto* updShapeVec = updates->getShapeAsVector();
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auto* inShapeVec = input->getShapeAsVector();
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std::vector<LongType> expectedUpdShape = {indices->lengthOf()};
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expectedUpdShape.insert(expectedUpdShape.end(), inShapeVec->begin() + 1, inShapeVec->end());
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REQUIRE_TRUE(expectedUpdShape == *updShapeVec, 0,
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"SCATTER_MIN OP: wrong shape of updates array, expected is %s, but got %s instead !",
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ShapeUtils::shapeAsString(expectedUpdShape).c_str(), ShapeUtils::shapeAsString(*updShapeVec).c_str());
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delete updShapeVec;
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delete inShapeVec;
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} else {
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auto* updShapeVec = updates->getShapeAsVector();
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auto* inShapeVec = input->getShapeAsVector();
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auto* indShapeVec = indices->getShapeAsVector();
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std::vector<LongType> expectedUpdShape = *indShapeVec;
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expectedUpdShape.insert(expectedUpdShape.end(), inShapeVec->begin() + 1, inShapeVec->end());
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delete updShapeVec;
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delete inShapeVec;
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delete indShapeVec;
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}
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if (!indices->isEmpty()) {
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if (checkIndices) {
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const LongType numOfBadIndx = helpers::checkIndices(block.launchContext(), *indices, *output, 0);
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REQUIRE_TRUE(numOfBadIndx == 0, 0,
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"SCATTER_MIN OP: please check elements of indices-array, total number of wrong elements is %lld!",
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numOfBadIndx);
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}
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helpers::scatter(block.launchContext(), pairwise::MinPairwise, *indices, *updates, *output, lock);
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}
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return Status::OK;
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}
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DECLARE_SYN(ScatterMin, scatter_min);
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DECLARE_TYPES(scatter_min) {
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getOpDescriptor()
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->setAllowedInputTypes(0, {ALL_INTS, ALL_FLOATS})
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->setAllowedInputTypes(1, {ALL_INTS})
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->setAllowedInputTypes(2, {ALL_INTS, ALL_FLOATS})
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->setAllowedOutputTypes({ALL_INTS, ALL_FLOATS});
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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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