?? cmpflt.c
字號:
// cmpflt.c -- floating-point comparisons
#include <math.h>
#include <stdio.h>
int main(void)
{
const double ANSWER = 3.14159;
double response;
printf("What is the value of pi?\n");
scanf("%lf", &response);
while (fabs(response - ANSWER) > 0.0001)
{
printf("Try again!\n");
scanf("%lf", &response);
}
printf("Close enough!\n");
return 0;
}
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