std::atof
std::atof
Defined in header <cstdlib> | ||
---|---|---|
double atof( const char *str ); |
Interprets a floating point value in a byte string pointed to by str
.
Function discards any whitespace characters (as determined by std::isspace()
) until first non-whitespace character is found. Then it takes as many characters as possible to form a valid floating-point representation and converts them to a floating-point value. The valid floating-point value can be one of the following:
- decimal floating-point expression. It consists of the following parts: