(C++) Converting a std::string to a double

include <string>

include <cassert>


int main()
{
  const std::string myString = "123.456";
  const double myValue = atof(myString.c_str());
  assert(myValue == 123.456);
  return 0;
}

include <string>

include <cassert>

include <boost/lexical_cast.hpp>


int main()
{
  const std::string s = "123.456";
  const double d = boost::lexical_cast<double>(s);
  assert(d == 123.456);
  return 0;
}

Other code snippets

Converting a String to a double

Code links

• ::, scope operator
• #include
• string
• assert
• cassert (header file)
• int
• main
• char
• const
• std
• scope operator, ::
• double
• return