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56 lines
2.0 KiB
56 lines
2.0 KiB
7 years ago
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/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include "Function.h"
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namespace paddle {
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/**
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* \brief Function to multiply a value to values in specified sub continuous
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* region. Indices must be provided to indcate the location and shape of
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* the region and the multiplied value is passed by configure variable.
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*
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*
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* \param[out] outputs Output value.
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* \param[in] inputs Input data which contains NCHW information.
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* \param[in] indices Indices data to indcate the sub region.
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* \param[in] shape Tensor shape of input value.
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* \param[in] conf Configure variable which contains the multiplied value.
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*/
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template <DeviceType Device>
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void ScaleSubRegion(real* outputs,
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const real* inputs,
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const real* indices,
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const TensorShape shape,
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const FuncConfig& conf);
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/**
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* \brief Backward propagation function of ScaleSubRegion.
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*
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* \param[out] inGrad Gradients of previous layer.
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* \param[in] outGrad Output gradient.
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* \param[in] indices Indices data.
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* \param[in] shape The Shape of input tensor.
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* \param[in] conf Configure variable.
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*/
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template <DeviceType Device>
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void ScaleSubRegionGrad(const real* inGrad,
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real* outGrad,
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const real* indices,
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const TensorShape shape,
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const FuncConfig& conf);
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} // namespace paddle
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