c++ conver substring to float code example
Example: c++ std string to float
std::string num = "0.6";
double temp = ::atof(num.c_str());
std::cout << temp << std::endl;
// Output: 0.6
std::string num = "0.6";
double temp = ::atof(num.c_str());
std::cout << temp << std::endl;
// Output: 0.6