Question

#include #include int main () { double a,b; char buffer [256]; printf ( "Input: " ); gets (buffer); a = atof (buffer); b = a/2; printf ( "a= %f and b= %f\n" , a, b ); return 0; } what does double here stands for and how does it functions?

Answer 1

A double is a primitive data type.

http://www.cplusplus.com/doc/tutorial/variables/
Scroll down to "Fundamental data types"