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// Copyright 2004-present Facebook. All Rights Reserved.
// File: negate_gradient_op.h
#pragma once
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
namespace caffe2 {
template <class Context>
class NegateGradientOp final : public Operator<Context> {
public:
USE_SIMPLE_CTOR_DTOR(NegateGradientOp)
USE_OPERATOR_CONTEXT_FUNCTIONS;
bool RunOnDevice() override {
const auto& in = Input(0);
auto* out = Output(0);
if (out != &in) {
out->CopyFrom(in, /* async */ true);
}
return true;
}
};
} // namespace caffe2
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