cavis/libnd4j/include/ops/declarable/impl/LegacyTransformOp.cpp

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/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// Created by raver119 on 16.10.2017.
//
#include <ops/declarable/LegacyTransformOp.h>
#include <legacy/NativeOpExecutioner.h>
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#ifdef ONLY_SAME_TRANSFORM
namespace sd {
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namespace ops {
LegacyTransformOp::LegacyTransformOp() : LegacyOp::LegacyOp(1) {
// just a no-op
}
LegacyTransformOp::LegacyTransformOp(int opNum) : LegacyOp::LegacyOp(1, opNum) {
// just a no-op
}
LegacyOp* LegacyTransformOp::clone() {
return new LegacyTransformOp(this->_opNum);
}
Nd4jStatus LegacyTransformOp::validateAndExecute(Context &block) {
auto input = INPUT_VARIABLE(0);
auto z = OUTPUT_VARIABLE(0);
int opNum = block.opNum() < 0 ? this->_opNum : block.opNum();
NativeOpExcutioner::execTransformSame(opNum, input->getBuffer(), input->getShapeInfo(), z->getBuffer(), z->getShapeInfo(), block.getTArguments()->data(), nullptr, nullptr);
STORE_RESULT(*z);
return ND4J_STATUS_OK;
}
/**
* For transform operations, output shape always equals to input shape. With just a few exclusions, like im2col and col2im.
* But these ops already have CustomOp implementations.
*
*/
ShapeList *LegacyTransformOp::calculateOutputShape(ShapeList *inputShape, sd::graph::Context &block) {
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auto inShape = inputShape->at(0);
Nd4jLong *newShape;
COPY_SHAPE(inShape, newShape);
return SHAPELIST(CONSTANT(newShape));
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}
}
}
#endif