std::stof in C++ - GeeksforGeeks
https://www.geeksforgeeks.org/stdstof-in-cpp/
WebAug 2, 2017 · std::stof in C++. Parses string interpreting its content as a floating-point number, which is returned as a value of type float. Syntax : float stof (const string& str, size_t* idx = 0); float stof (const wstring& str, size_t* idx = 0); Parameters : str : String object with the representation of a floating-point number.
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