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// Copyright 2004-present Facebook. All Rights Reserved.
#ifndef CAFFE2_OPERATORS_BUCKETIZE_OP_H_
#define CAFFE2_OPERATORS_BUCKETIZE_OP_H_
#include "caffe2/core/context.h"
#include "caffe2/core/export_caffe2_op_to_c10.h"
#include "caffe2/core/logging.h"
#include "caffe2/core/operator.h"
#include "caffe2/utils/math.h"
C10_DECLARE_EXPORT_CAFFE2_OP_TO_C10(Bucketize);
namespace caffe2 {
template <class Context>
class BucketizeOp final : public Operator<Context> {
public:
USE_OPERATOR_CONTEXT_FUNCTIONS;
template <class... Args>
explicit BucketizeOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
boundaries_(this->template GetRepeatedArgument<float>("boundaries")) {
CAFFE_ENFORCE(
std::is_sorted(boundaries_.begin(), boundaries_.end()),
"The boundaries need to be monotonically increasing");
boundaries_device_.Resize(boundaries_.size());
context_.template CopyFromCPU<float>(
boundaries_.size(),
boundaries_.data(),
boundaries_device_.mutable_data<float>());
context_.FinishDeviceComputation();
}
bool RunOnDevice() override;
protected:
INPUT_TAGS(X);
OUTPUT_TAGS(INDICES);
private:
std::vector<float> boundaries_;
Tensor boundaries_device_{Context::GetDeviceType()};
};
} // namespace caffe2
#endif // CAFFE2_OPERATORS_BUCKETIZE_OP_H_
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