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