[Dev-C++] double and float ??

Hi all,

I tried the following code
============================
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>

main(){
    double a,b;
    scanf("%f",&a);
    printf("\n");
    scanf("%f",&b);
    printf("\n\n%f   %f",a,b);
    getch();
    exit(EXIT_SUCCESS);   
}
==============================
I enter any numbers and the output is
0.0000   0.00000
but, when I change the "double" with "float", the code
gives me the right answer.

Is there any explanation why I can't use "double" with
"%f" in dev-cpp ? Maybe I use old c++ manual lol. How
can I print the "double" number ?

Titi

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