(C++) std::atofJanuary 10, 2018 · View on GitHub (C++) std::atof std::atof is a function to convert a character string to a double. Example: StrToDouble #include <string> //From http://www.richelbilderbeek.nl/CppStrToDouble.htm double StrToDouble(const std::string& s) { return std::atof(s.c_str()); }