113 lines
3.7 KiB
C++
113 lines
3.7 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 22.01.2018
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//
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#include <op_boilerplate.h>
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#if NOT_EXCLUDED(OP_eye)
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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(eye, -2, 1, false, 0, -2) {
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helpers::eye(block.launchContext(), *OUTPUT_VARIABLE(0));
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return Status::OK();
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}
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DECLARE_TYPES(eye) {
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getOpDescriptor()->setAllowedInputTypes(0, {ALL_INTS});
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getOpDescriptor()->setAllowedInputTypes(1, {DataType::INT32, DataType::INT64});
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getOpDescriptor()->setAllowedOutputTypes(0, {ALL_FLOATS});
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}
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DECLARE_SHAPE_FN(eye) {
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std::vector<int> params;
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// FIX ME: original has a dtype param - so should be used here instead. e.g. (DataType) INT_ARG(0);
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nd4j::DataType dtype = nd4j::DataType::FLOAT32;
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if(block.width() == 0) {
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params = *block.getIArguments();
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}
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else {
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for (int i = 0; i < block.width(); i++) {
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auto input = INPUT_VARIABLE(i);
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REQUIRE_TRUE(input->rankOf() == 1, 0, "Inputs to eye should be 1D");
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for (int e = 0; e < input->lengthOf(); e++) {
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params.emplace_back(input->e<int>(e));
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}
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}
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}
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REQUIRE_TRUE(params.size() > 0, 0, "Size not provided for eye op.");
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const bool ordered = (params[0] == -99 || params[0] == -102); // -99 :'c', -102 : 'f'
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if (!ordered)
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params.insert(params.begin(), -99);
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REQUIRE_TRUE(params.size() > 1, 0, "Size not provided for eye op.");
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Nd4jLong* outShapeInfo(nullptr);
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const int size = params.size();
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switch(size) {
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case 2:
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ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(2), Nd4jLong);
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outShapeInfo[0] = 2;
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outShapeInfo[1] = params[1];
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outShapeInfo[2] = params[1];
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break;
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case 3:
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ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(2), Nd4jLong);
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outShapeInfo[0] = 2;
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outShapeInfo[1] = params[1];
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outShapeInfo[2] = params[2];
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break;
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default:
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int rank = size-1;
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ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(rank), Nd4jLong);
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outShapeInfo[0] = rank;
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outShapeInfo[rank-1] = params[1];
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outShapeInfo[rank] = params[2];
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for(int i = 1; i < rank-1; ++i)
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outShapeInfo[i] = params[i+2];
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break;
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}
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shape::updateStrides(outShapeInfo, static_cast<char>(-params[0]));
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auto result = ConstantShapeHelper::getInstance()->createShapeInfo(ShapeDescriptor(outShapeInfo, dtype));
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RELEASE(outShapeInfo, block.getWorkspace());
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return SHAPELIST(result);
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}
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}
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}
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#endif |