#ifndef BENCHMARK_STRING_UTIL_H_
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#define BENCHMARK_STRING_UTIL_H_
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#include <sstream>
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#include <string>
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#include <utility>
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#include "internal_macros.h"
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namespace benchmark {
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void AppendHumanReadable(int n, std::string* str);
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std::string HumanReadableNumber(double n, double one_k = 1024.0);
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#ifdef __GNUC__
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__attribute__((format(printf, 1, 2)))
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#endif
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std::string
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StrFormat(const char* format, ...);
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inline std::ostream& StrCatImp(std::ostream& out) BENCHMARK_NOEXCEPT {
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return out;
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}
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template <class First, class... Rest>
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inline std::ostream& StrCatImp(std::ostream& out, First&& f, Rest&&... rest) {
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out << std::forward<First>(f);
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return StrCatImp(out, std::forward<Rest>(rest)...);
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}
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template <class... Args>
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inline std::string StrCat(Args&&... args) {
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std::ostringstream ss;
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StrCatImp(ss, std::forward<Args>(args)...);
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return ss.str();
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}
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void ReplaceAll(std::string* str, const std::string& from,
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const std::string& to);
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#ifdef BENCHMARK_STL_ANDROID_GNUSTL
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/*
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* GNU STL in Android NDK lacks support for some C++11 functions, including
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* stoul, stoi, stod. We reimplement them here using C functions strtoul,
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* strtol, strtod. Note that reimplemented functions are in benchmark::
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* namespace, not std:: namespace.
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*/
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unsigned long stoul(const std::string& str, size_t* pos = nullptr,
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int base = 10);
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int stoi(const std::string& str, size_t* pos = nullptr, int base = 10);
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double stod(const std::string& str, size_t* pos = nullptr);
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#else
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using std::stoul;
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using std::stoi;
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using std::stod;
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#endif
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} // end namespace benchmark
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#endif // BENCHMARK_STRING_UTIL_H_
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