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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://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.
*/
#include "PaddingUtils.h"
#include <cassert>
//
// Section: Raw Padding Builder
//
RawPadding RawPaddingBuilder::with(const ::caffe::ConvolutionParameter ¶m) const
{
RawPadding res;
if (param.has_pad_h() || param.has_pad_w())
{
assert(param.pad().size() == 0);
assert(param.has_pad_h() && param.has_pad_w());
res.resize(2);
res.value(0) = param.pad_h();
res.value(1) = param.pad_w();
}
else
{
// NOTE pad and pad_h/pad_w cannot be specified at the same time
//
// Reference: BaseConvolutionLayer<Dtype>::LayerSetUp in base_conv_layer.cpp
assert(!param.has_pad_h() && !param.has_pad_w());
uint32_t rank = param.pad().size();
res.resize(rank);
for (uint32_t axis = 0; axis < rank; ++axis)
{
res.value(axis) = param.pad(axis);
}
}
return res;
}
RawPadding RawPaddingBuilder::with(const ::caffe::PoolingParameter ¶m) const
{
RawPadding res;
if (param.has_pad_h() || param.has_pad_w())
{
assert(!param.has_pad());
assert(param.has_pad_h() && param.has_pad_w());
res.resize(2);
res.value(0) = param.pad_h();
res.value(1) = param.pad_w();
}
else
{
// NOTE pad and pad_h/pad_w cannot be specified at the same time
//
// Reference: PoolingLayer<Dtype>::LayerSetUp in pooling_layer.cpp
assert(!param.has_pad_h() && !param.has_pad_w());
if (param.has_pad())
{
res.resize(1);
res.value(0) = param.pad();
}
}
return res;
}
RawPaddingBuilder build_raw_padding(void) { return RawPaddingBuilder{}; }
//
// Section: Spatial Padding Builder
//
SpatialPadding SpatialPaddingBuilder::with(const RawPadding &raw) const
{
const auto spatial_rank = _spatial_rank;
SpatialPadding res;
res.resize(spatial_rank);
if (raw.count() == 0)
{
// NOTE default padding is 0
for (uint32_t spatial_axis = 0; spatial_axis < spatial_rank; ++spatial_axis)
{
res.value(spatial_axis) = 0;
}
}
else if (raw.count() == 1)
{
// NOTE One-for-all scheme
for (uint32_t spatial_axis = 0; spatial_axis < spatial_rank; ++spatial_axis)
{
res.value(spatial_axis) = raw.value(0);
}
}
else
{
// NOTE One-to-one scheme
assert(raw.count() == spatial_rank);
for (uint32_t spatial_axis = 0; spatial_axis < spatial_rank; ++spatial_axis)
{
res.value(spatial_axis) = raw.value(spatial_axis);
}
}
return res;
}
SpatialPaddingBuilder build_spatial_padding(uint32_t spatial_rank)
{
return SpatialPaddingBuilder{spatial_rank};
}
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