test/cpp/qps/stats.h

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#ifndef TEST_QPS_STATS_UTILS_H
#define TEST_QPS_STATS_UTILS_H

#include <string>

#include "test/cpp/qps/histogram.h"

namespace grpc {
namespace testing {

template <class T, class F>
double sum(const T& container, F functor) {
  double r = 0;
  for (auto v = container.begin(); v != container.end(); v++) {
    r += functor(*v);
  }
  return r;
}

template <class T, class F>
double average(const T& container, F functor) {
  return sum(container, functor) / container.size();
}

}  // namespace testing
}  // namespace grpc

#endif