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#ifndef TENSORFLOW_UTIL_UTIL_H_
#define TENSORFLOW_UTIL_UTIL_H_
#include "tensorflow/core/lib/core/stringpiece.h"
namespace tensorflow {
// If op_name has '/' in it, then return everything before the first '/'.
// Otherwise return empty string.
StringPiece NodeNamePrefix(const StringPiece& op_name);
// If op_name has '/' in it, then return everything before the last '/'.
// Otherwise return empty string.
StringPiece NodeNameFullPrefix(const StringPiece& op_name);
class MovingAverage {
public:
explicit MovingAverage(int window);
~MovingAverage();
void Clear();
double GetAverage() const;
void AddValue(double v);
private:
const int window_; // Max size of interval
double sum_; // Sum over interval
double* data_; // Actual data values
int head_; // Offset of the newest statistic in data_
int count_; // # of valid data elements in window
};
// Returns a string printing bytes in ptr[0..n). The output looks
// like "00 01 ef cd cd ef".
string PrintMemory(const char* ptr, int n);
} // namespace tensorflow
#endif // TENSORFLOW_UTIL_UTIL_H_
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