| #ifndef BENCHMARK_STRING_UTIL_H |
| #define BENCHMARK_STRING_UTIL_H |
| |
| #include <string> |
| #include <sstream> |
| #include <utility> |
| |
| namespace benchmark { |
| |
| void ToExponentAndMantissa(double val, double thresh, int precision, |
| double one_k, std::string* mantissa, int* exponent); |
| |
| std::string ExponentToPrefix(int exponent, bool iec); |
| |
| std::string ToBinaryStringFullySpecified(double value, double threshold, |
| int precision); |
| |
| void AppendHumanReadable(int n, std::string* str); |
| |
| std::string HumanReadableNumber(double n); |
| |
| std::string StringPrintF(const char* format, ...); |
| |
| inline std::ostream& |
| StringCatImp(std::ostream& out) noexcept |
| { |
| return out; |
| } |
| |
| template <class First, class ...Rest> |
| inline std::ostream& |
| StringCatImp(std::ostream& out, First&& f, Rest&&... rest) |
| { |
| out << std::forward<First>(f); |
| return StringCatImp(out, std::forward<Rest>(rest)...); |
| } |
| |
| template<class ...Args> |
| inline std::string StrCat(Args&&... args) |
| { |
| std::ostringstream ss; |
| StringCatImp(ss, std::forward<Args>(args)...); |
| return ss.str(); |
| } |
| |
| } // end namespace benchmark |
| |
| #endif // BENCHMARK_STRING_UTIL_H |