/**
 * :author: Dan Buch (daniel.buch@gmail.com)
 */

#include <stdio.h>
#include <math.h>

int main()
{
    float f = 0.0f;
    int i;

    for (i = 0; i < 10; i++) {
        f = f + 0.1f;
    }

    if (f == 1.0) {
        printf("f is 1.0 \n");
        /* nope! */
    }

    if (f == 1.000000) {
        printf("f is perhaps 1.000000?\n");
        /* nope again */
    }

    printf("f is neither 1.0 nor 1.000000\n");
    printf("(f is really %.24f)\n", f);
    printf("OH NOES!\n");
    printf("But...\n");

    double difference = fabs(f - 1.000000);

    if (difference < 0.00001) {
        printf("f is close enough to 1.000000 (off by %.24f)\n", difference);
        /* yes? */
    } 

    return 0;
}

/* vim:filetype=c:fileencoding=utf-8
 */