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#pragma once
#include "caffe2/core/export_caffe2_op_to_c10.h"
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
C10_DECLARE_EXPORT_CAFFE2_OP_TO_C10(ResizeNearest);
namespace caffe2 {
template <typename T, class Context>
class ResizeNearestOp final : public Operator<Context> {
public:
template <class... Args>
explicit ResizeNearestOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
width_scale_(1),
height_scale_(1),
order_(StringToStorageOrder(
this->template GetSingleArgument<std::string>("order", "NCHW"))) {
if (HasArgument("width_scale")) {
width_scale_ = static_cast<T>(
this->template GetSingleArgument<float>("width_scale", 1));
}
if (HasArgument("height_scale")) {
height_scale_ = static_cast<T>(
this->template GetSingleArgument<float>("height_scale", 1));
}
CAFFE_ENFORCE_GT(width_scale_, 0);
CAFFE_ENFORCE_GT(height_scale_, 0);
CAFFE_ENFORCE(order_ == StorageOrder::NCHW || order_ == StorageOrder::NHWC);
}
USE_OPERATOR_CONTEXT_FUNCTIONS;
bool RunOnDevice() override;
bool RunOnDeviceWithOrderNCHW();
bool RunOnDeviceWithOrderNHWC();
protected:
T width_scale_;
T height_scale_;
StorageOrder order_;
};
template <typename T, class Context>
class ResizeNearestGradientOp final : public Operator<Context> {
public:
template <class... Args>
explicit ResizeNearestGradientOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
width_scale_(1),
height_scale_(1),
order_(StringToStorageOrder(
this->template GetSingleArgument<std::string>("order", "NCHW"))) {
width_scale_ = static_cast<T>(
this->template GetSingleArgument<float>("width_scale", 1));
height_scale_ = static_cast<T>(
this->template GetSingleArgument<float>("height_scale", 1));
CAFFE_ENFORCE_GT(width_scale_, 0);
CAFFE_ENFORCE_GT(height_scale_, 0);
CAFFE_ENFORCE(order_ == StorageOrder::NCHW || order_ == StorageOrder::NHWC);
}
USE_OPERATOR_CONTEXT_FUNCTIONS;
bool RunOnDevice() override;
bool RunOnDeviceWithOrderNCHW();
bool RunOnDeviceWithOrderNHWC();
protected:
T width_scale_;
T height_scale_;
StorageOrder order_;
};
} // namespace caffe2
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