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#ifndef CAFFE2_OPERATORS_STOP_GRADIENT_H_
#define CAFFE2_OPERATORS_STOP_GRADIENT_H_
#include "caffe2/core/operator.h"
namespace caffe2 {
template <class Context>
class StopGradientOp : public Operator<Context> {
public:
USE_SIMPLE_CTOR_DTOR(StopGradientOp)
USE_OPERATOR_CONTEXT_FUNCTIONS;
bool RunOnDevice() override {
const auto& in = Input(0);
auto* out = Output(0);
if (out != &in) {
out->CopyFrom(in, true /*async*/);
}
return true;
}
};
} // namespace caffe2
#endif // CAFFE2_OPERATORS_STOP_GRADIENT_H_