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      1 #ifndef BENCHMARK_API_INTERNAL_H
      2 #define BENCHMARK_API_INTERNAL_H
      3 
      4 #include "benchmark/benchmark_api.h"
      5 
      6 #include <cmath>
      7 #include <iosfwd>
      8 #include <limits>
      9 #include <string>
     10 #include <vector>
     11 
     12 namespace benchmark {
     13 namespace internal {
     14 
     15 // Information kept per benchmark we may want to run
     16 struct Benchmark::Instance {
     17   std::string name;
     18   Benchmark* benchmark;
     19   ReportMode report_mode;
     20   std::vector<int> arg;
     21   TimeUnit time_unit;
     22   int range_multiplier;
     23   bool use_real_time;
     24   bool use_manual_time;
     25   BigO complexity;
     26   BigOFunc* complexity_lambda;
     27   bool last_benchmark_instance;
     28   int repetitions;
     29   double min_time;
     30   int threads;  // Number of concurrent threads to us
     31 };
     32 
     33 bool FindBenchmarksInternal(const std::string& re,
     34                             std::vector<Benchmark::Instance>* benchmarks,
     35                             std::ostream* Err);
     36 
     37 namespace {
     38 
     39 bool IsZero(double n) {
     40   return std::abs(n) < std::numeric_limits<double>::epsilon();
     41 }
     42 
     43 }  // end namespace
     44 }  // end namespace internal
     45 }  // end namespace benchmark
     46 
     47 #endif  // BENCHMARK_API_INTERNAL_H
     48