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#ifndef IS_EMPTY_OP_H_
#define IS_EMPTY_OP_H_
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
namespace caffe2 {
template <class Context>
class IsEmptyOp : public Operator<Context> {
public:
USE_OPERATOR_CONTEXT_FUNCTIONS;
USE_SIMPLE_CTOR_DTOR(IsEmptyOp);
bool RunOnDevice() override {
auto& input = Input(0);
auto* output = Output(0, std::vector<int64_t>{}, at::dtype<bool>());
*output->template mutable_data<bool>() = (input.numel() == 0);
return true;
}
};
} // namespace caffe2
#endif // IS_EMPTY_OP_H_