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#ifndef CAFFE2_OPERATORS_SCALE_OP_H_
#define CAFFE2_OPERATORS_SCALE_OP_H_
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
#include "caffe2/utils/math.h"
namespace caffe2 {
template <class Context>
class ScaleOp final : public Operator<Context> {
public:
USE_OPERATOR_CONTEXT_FUNCTIONS;
template <class... Args>
explicit ScaleOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
scale_(this->template GetSingleArgument<float>("scale", 1.0)) {}
template <typename T>
bool DoRunWithType() {
auto& X = Input(0);
auto* Y = Output(0, X.sizes(), at::dtype<T>());
math::Scale<float, T, Context>(
X.numel(),
scale_,
X.template data<T>(),
Y->template mutable_data<T>(),
&context_);
return true;
}
bool RunOnDevice() override {
return DispatchHelper<TensorTypes<float, double>>::call(this, Input(0));
}
protected:
float scale_;
};
} // namespace caffe2
#endif // CAFFE2_OPERATORS_SCALE_OP_H_
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