libcxx

libcxx mirror with random patches
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benchmark_register.h (634B)

      1 #ifndef BENCHMARK_REGISTER_H
      2 #define BENCHMARK_REGISTER_H
      3 
      4 #include <vector>
      5 
      6 #include "check.h"
      7 
      8 template <typename T>
      9 void AddRange(std::vector<T>* dst, T lo, T hi, int mult) {
     10   CHECK_GE(lo, 0);
     11   CHECK_GE(hi, lo);
     12   CHECK_GE(mult, 2);
     13 
     14   // Add "lo"
     15   dst->push_back(lo);
     16 
     17   static const T kmax = std::numeric_limits<T>::max();
     18 
     19   // Now space out the benchmarks in multiples of "mult"
     20   for (T i = 1; i < kmax / mult; i *= mult) {
     21     if (i >= hi) break;
     22     if (i > lo) {
     23       dst->push_back(i);
     24     }
     25   }
     26 
     27   // Add "hi" (if different from "lo")
     28   if (hi != lo) {
     29     dst->push_back(hi);
     30   }
     31 }
     32 
     33 #endif  // BENCHMARK_REGISTER_H