75 lines
2.5 KiB
C++
75 lines
2.5 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)
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//
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#include <op_boilerplate.h>
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#if NOT_EXCLUDED(OP_repeat)
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#include <ops/declarable/CustomOperations.h>
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namespace nd4j {
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namespace ops {
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//////////////////////////////////////////////////////////////////////////
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// here iArgs is int vector of repeats at the beginning and last element in iArgs is dimension
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CUSTOM_OP_IMPL(repeat, 1, 1, true, 0, -1) {
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auto input = INPUT_VARIABLE(0);
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auto output = OUTPUT_VARIABLE(0);
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std::vector<int> repeats = *block.getIArguments();
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const int axis = repeats.back() < 0 ? repeats.back() + input->rankOf() : repeats.back();
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repeats.pop_back();
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REQUIRE_TRUE(0 <= axis && axis < input->rankOf(), 0, "CUSTOM REPEAT OP: wrong axis argument it should be less then input array rank %i, but got %i instead !", input->rankOf(), axis);
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REQUIRE_TRUE(repeats.size() == 1 || repeats.size() == input->sizeAt(axis), 0, "CUSTOM REPEAT OP: wrong axis argument, size of repeats vector must be 1 or equal to dimension at given axis, but got repeats.size = %i and axis = %i !", repeats.size(), axis);
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input->repeat(axis, repeats, *output);
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return Status::OK();
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}
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DECLARE_TYPES(repeat) {
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getOpDescriptor()
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->setAllowedInputTypes(nd4j::DataType::ANY)
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->setSameMode(true);
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}
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DECLARE_SHAPE_FN(repeat) {
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auto input = INPUT_VARIABLE(0);
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std::vector<int> repeats = *block.getIArguments();
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const int axis = repeats.back() < 0 ? repeats.back() + input->rankOf() : repeats.back();
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repeats.pop_back();
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auto outShape = ShapeUtils::evalRepeatShape(axis, repeats, *input);
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return SHAPELIST(ConstantShapeHelper::getInstance()->createShapeInfo(ShapeDescriptor(input->dataType(), input->ordering(), outShape)));
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}
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}
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}
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#endif |