How to make sure input is a double in the C programming language
Posted
by Chris_45
on Stack Overflow
See other posts from Stack Overflow
or by Chris_45
Published on 2009-11-05T16:40:14Z
Indexed on
2010/05/14
12:24 UTC
Read the original article
Hit count: 158
c
|input-validation
How do I make sure I've got a double and not something else?
int main() {
int flagOk = 0;
double number;
while(!flagOk) {
printf("Put in a double");
scanf("%lf", &number);
if(number == "%lf"); //this want make sure
flagOk = 1;
}
}
© Stack Overflow or respective owner