wehub-resource-sync
129 lines
5.1 KiB
C++
129 lines
5.1 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 Shyrma Yurii (iuriish@yahoo.com), created on 06.11.2017.
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//
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#include <system/op_boilerplate.h>
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#if NOT_EXCLUDED(OP_pad)
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#include <ops/declarable/CustomOperations.h>
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#include <ops/declarable/helpers/transforms.h>
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#include <numeric>
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namespace sd {
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namespace ops {
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//////////////////////////////////////////////////////////////////////////
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CUSTOM_OP_IMPL(pad, 2, 1, false, 0, 1) {
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auto input = INPUT_VARIABLE(0);
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auto paddings = INPUT_VARIABLE(1);
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auto output = OUTPUT_VARIABLE(0);
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const int rank = input->rankOf();
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// input validation
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std::vector<sd::LongType> expectedPaddingsShape = {rank, 2};
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std::vector<sd::LongType> *currentPaddingsShape = paddings->getShapeAsVector();
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REQUIRE_TRUE(expectedPaddingsShape == *currentPaddingsShape, 0,
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"PAD op: wrong shape of paddings array, expected is %s, but got %s instead !",
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ShapeUtils::shapeAsString(expectedPaddingsShape).c_str(),
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ShapeUtils::shapeAsString(*currentPaddingsShape).c_str());
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NDArray padValue(input->dataType(), block.launchContext());
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// in case of REFLECT and SYMMETRIC modes paddings must obey additional shape requirements
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if (INT_ARG(0) == 0) { // CONSTANT mode
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if (block.width() > 2) {
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REQUIRE_TRUE(
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input->dataType() == INPUT_VARIABLE(2)->dataType(), 0,
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"PAD op: data types of input and padValue arrays should be the same but got %i and %i correspondingly !",
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input->dataType(), INPUT_VARIABLE(2)->dataType());
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auto get = INPUT_VARIABLE(2)->e(0);
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padValue.assign(&get);
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} else if (!block.getTArguments()->empty())
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padValue = T_ARG(0);
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} else if (INT_ARG(0) == 1) { // REFLECT mode
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for (int dim = 0; dim < rank; ++dim)
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REQUIRE_TRUE(paddings->e<sd::LongType>(dim, 0) <= (input->shapeOf()[dim] - 1) &&
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paddings->e<sd::LongType>(dim, 1) <= (input->shapeOf()[dim] - 1),
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0, "PAD op: wrong content of paddings array for REFLECT mode !");
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}
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if (INT_ARG(0) == 2) { // SYMMETRIC mode
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for (int dim = 0; dim < rank; ++dim)
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REQUIRE_TRUE(paddings->e<sd::LongType>(dim, 0) <= input->shapeOf()[dim] &&
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paddings->e<sd::LongType>(dim, 1) <= input->shapeOf()[dim],
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0, "PAD op: wrong content of paddings array for SYMMETRIC mode !");
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}
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// CONSTANT->0, REFLECT->1, SYMMETRIC->2
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REQUIRE_TRUE(
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INT_ARG(0) >= 0 && INT_ARG(0) <= 2, 0,
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"PAD op: unknown padding mode, there are only three possible legal values -> 0,1,2, but got %i instead !",
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INT_ARG(0));
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helpers::pad(block.launchContext(), INT_ARG(0), *input, *paddings, *output, padValue);
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delete currentPaddingsShape;
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return sd::Status::OK;
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}
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DECLARE_TYPES(pad) {
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getOpDescriptor()
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->setAllowedInputTypes(0, sd::DataType::ANY)
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->setAllowedInputTypes(1, {DataType::INT32, DataType::INT64}) // INT32 with TF
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->setSameMode(true);
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}
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DECLARE_SHAPE_FN(pad) {
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// check shape of paddings
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auto inputShapeInfo = inputShape->at(0);
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auto paddings = INPUT_VARIABLE(1);
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const int rank = inputShapeInfo[0];
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if(rank < 0 || rank > SD_MAX_RANK) {
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THROW_EXCEPTION("PAD op: Bad shape buffer. Likely corrupt. Please ensure buffer was not deallocated.");
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}
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// paddings validation
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const std::vector<sd::LongType> expectedPaddingsShape = {rank, 2};
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const std::vector<sd::LongType> *currentPaddingsShape = paddings->getShapeAsVector();
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REQUIRE_TRUE(expectedPaddingsShape == *currentPaddingsShape, 0,
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"PAD op: wrong shape of paddings array, expected is %s, but got %s instead !",
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ShapeUtils::shapeAsString(expectedPaddingsShape).c_str(),
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ShapeUtils::shapeAsString(*currentPaddingsShape).c_str());
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delete currentPaddingsShape;
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sd::LongType* outShapeInfo = nullptr;
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ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(rank), sd::LongType);
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outShapeInfo[0] = rank;
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for (int i = 1; i <= rank; ++i)
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outShapeInfo[i] = inputShapeInfo[i] + paddings->e<sd::LongType>(i - 1, 0) + paddings->e<sd::LongType>(i - 1, 1);
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ShapeUtils::updateStridesAndType(outShapeInfo, inputShapeInfo, shape::order(inputShapeInfo));
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auto ret = SHAPELIST(ConstantShapeHelper::getInstance().bufferForShapeInfo(outShapeInfo)->primary());
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RELEASE(outShapeInfo, block.getWorkspace());
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return ret;
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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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