Comparing currency values as floats does not work

Question

If I type 0.01 or 0.02 the the program just exits immediately. What do I do?

#include 

char line[100];
float amount;

int main()
{
printf(\"E         


        

Answer 1

What is the most effective way for float and double comparison?

You should use something like this

bool isEqual(double a, double b)
{
    return fabs(a - b) < EPSILON;
}

or this

#define ISEQUAL(a,b) ( fabs((a) - (b)) < EPSILON)

and define EPSILON

#define EPSILON (0.000001)