You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
754 B
44 lines
754 B
/**
|
|
* :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
|
|
*/
|