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