C++ examples for Data Type:double
Using strtod to convert string to double
#include <iostream> #include <cstdlib> // strtod prototype using namespace std; int main() /*from ww w. ja va 2 s . co m*/ { double d; const char *string1 = "51.2% are admitted test test "; char *stringPtr; d = strtod( string1, &stringPtr ); // convert characters to double cout << "The string \"" << string1 << "\" is converted to the\ndouble value " << d << " and the string \"" << stringPtr << "\"" << endl; }