105 lines
5.4 KiB
C++
105 lines
5.4 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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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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* 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 07.06.2018
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//
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#include <op_boilerplate.h>
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#if NOT_EXCLUDED(OP_mirror_pad)
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#include <ops/declarable/CustomOperations.h>
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#include<ops/declarable/helpers/transforms.h>
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namespace nd4j {
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namespace ops {
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CUSTOM_OP_IMPL(mirror_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 mode = INT_ARG(0); // 0 - REFLECT, else - SYMMETRIC
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const int includeBorder = mode ? 0 : 1;
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if(input->rankOf() <= 1) { // when input is scalar or vector;
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REQUIRE_TRUE(paddings->lengthOf() == 2, 0, "MIRROR_PAD OP: the length of paddings array must be equal 2, when input array is vector or scalar, bot but got %i instead !", paddings->rankOf());
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REQUIRE_TRUE( (paddings->e<Nd4jLong>(0) <= (input->lengthOf() - includeBorder)) && (paddings->e<Nd4jLong>(1) <= (input->lengthOf() - includeBorder)), 0, "MIRROR_PAD OP: wrong content of paddings array, its elements must be no grater then length of input array (being vector or scalar) for symmetric mode (or length-1 for reflect mode) !");
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}
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else {
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REQUIRE_TRUE(paddings->rankOf() == 2, 0, "MIRROR_PAD OP: the rank of paddings array must be equal 2, but got %i instead !", paddings->rankOf());
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REQUIRE_TRUE(paddings->sizeAt(0) == input->rankOf(), 0, "MIRROR_PAD OP: zero dimension of paddings array must be equal to input array rank, but got %i and %i correspondingly !", paddings->sizeAt(0), input->rankOf());
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for(int i = 0; i < input->rankOf(); ++i)
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REQUIRE_TRUE( (paddings->e<Nd4jLong>(i,0) <= (input->sizeAt(i) - includeBorder)) && (paddings->e<Nd4jLong>(i,1) <= (input->sizeAt(i) - includeBorder)), 0, "MIRROR_PAD OP: wrong content of paddings array, its elements must be no grater then corresponding dimension of input array for symmetric mode (or dimension-1 for reflect mode) !");
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}
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helpers::mirrorPad(block.launchContext(), *input, *paddings, *output, mode);
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return Status::OK();
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}
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DECLARE_TYPES(mirror_pad) {
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getOpDescriptor()->setAllowedInputTypes(0, {ALL_FLOATS});
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getOpDescriptor()->setAllowedInputTypes(1, {DataType::INT32, DataType::INT64}); // to conform with TF
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getOpDescriptor()->setAllowedOutputTypes(0, {ALL_FLOATS});
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}
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DECLARE_SHAPE_FN(mirror_pad) {
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auto input = INPUT_VARIABLE(0);
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auto paddings = INPUT_VARIABLE(1);
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const int rank = input->rankOf() ? input->rankOf() : 1; // if scalar is input then vector is output
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const int includeBorder = static_cast<bool>(INT_ARG(0)) ? 0 : 1;
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if(rank == 1) { // when input is scalar or vector;
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REQUIRE_TRUE(paddings->lengthOf() == 2, 0, "MIRROR_PAD OP: the length of paddings array must be equal 2, when input array is vector or scalar, bot but got %i instead !", paddings->rankOf());
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REQUIRE_TRUE( (paddings->e<Nd4jLong>(0) <= (input->lengthOf() - includeBorder)) && (paddings->e<Nd4jLong>(1) <= (input->lengthOf() - includeBorder)), 0, "MIRROR_PAD OP: wrong content of paddings array, its elements must be no grater then length of input array (being vector or scalar) for symmetric mode (or length-1 for reflect mode) !");
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}
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else {
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REQUIRE_TRUE(paddings->rankOf() == 2, 0, "MIRROR_PAD OP: the rank of paddings array must be equal 2, but got %i instead !", paddings->rankOf());
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REQUIRE_TRUE(paddings->sizeAt(0) == input->rankOf(), 0, "MIRROR_PAD OP: zero dimension of paddings array must be equal to input array rank, but got %i and %i correspondingly !", paddings->sizeAt(0), input->rankOf());
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for(int i = 0; i < input->rankOf(); ++i)
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REQUIRE_TRUE( (paddings->e<Nd4jLong>(i,0) <= (input->sizeAt(i) - includeBorder)) && (paddings->e<Nd4jLong>(i,1) <= (input->sizeAt(i) - includeBorder)), 0, "MIRROR_PAD OP: wrong content of paddings array, its elements must be no grater then corresponding dimension of input array for symmetric mode (or dimension-1 for reflect mode) !");
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}
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Nd4jLong* outShapeInfo(nullptr);
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if(rank == 1) {
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Nd4jLong len = input->lengthOf() + paddings->e<Nd4jLong>(0) + paddings->e<Nd4jLong>(1);
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outShapeInfo = ConstantShapeHelper::getInstance()->vectorShapeInfo(len, input->dataType());
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}
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else {
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ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(rank), Nd4jLong);
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outShapeInfo[0] = rank;
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for(int i = 0; i < rank; ++i)
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outShapeInfo[i+1] = input->sizeAt(i) + paddings->e<Nd4jLong>(i,0) + paddings->e<Nd4jLong>(i,1);
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ShapeUtils::updateStridesAndType(outShapeInfo, input->shapeInfo(), input->ordering());
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outShapeInfo = CONSTANT(outShapeInfo);
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}
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return SHAPELIST(outShapeInfo);
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}
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}
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}
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#endif |