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