#ifndef CAFFE2_OPERATORS_CLIP_OP_H_
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#define CAFFE2_OPERATORS_CLIP_OP_H_
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#include <limits>
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#include "caffe2/core/context.h"
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#include "caffe2/core/logging.h"
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#include "caffe2/core/operator.h"
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#include "caffe2/utils/math.h"
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namespace caffe2 {
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template <typename T, class Context>
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class ClipOp final : public Operator<Context> {
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public:
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USE_OPERATOR_CONTEXT_FUNCTIONS;
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template <class... Args>
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explicit ClipOp(Args&&... args)
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: Operator<Context>(std::forward<Args>(args)...),
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min_(std::numeric_limits<T>::lowest()),
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max_(std::numeric_limits<T>::max()) {
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if (HasArgument("min")) {
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min_ = static_cast<T>(this->template GetSingleArgument<float>("min", 0));
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}
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if (HasArgument("max")) {
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max_ = static_cast<T>(this->template GetSingleArgument<float>("max", 0));
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}
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}
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bool RunOnDevice() override;
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protected:
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T min_;
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T max_;
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};
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template <typename T, class Context>
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class ClipGradientOp final : public Operator<Context> {
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public:
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USE_OPERATOR_CONTEXT_FUNCTIONS;
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template <class... Args>
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explicit ClipGradientOp(Args&&... args)
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: Operator<Context>(std::forward<Args>(args)...),
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min_(std::numeric_limits<T>::lowest()),
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max_(std::numeric_limits<T>::max()) {
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if (HasArgument("min")) {
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min_ = static_cast<T>(this->template GetSingleArgument<float>("min", 0));
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}
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if (HasArgument("max")) {
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max_ = static_cast<T>(this->template GetSingleArgument<float>("max", 0));
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}
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}
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bool RunOnDevice() override;
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protected:
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T min_;
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T max_;
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// Input: Y, dY; Output: dX
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};
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} // namespace caffe2
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#endif // CAFFE2_OPERATORS_CLIP_OP_H_
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