/*
 * Small demo of floating point summation problems, I
 */

#include <stdio.h>

int main(void)
{
    float x = 0.1;
    float y = 0.2;
    float z, t;

    z = x + y;
    t = z - x - y;

    printf("%f    %f  ->  %g\n", x, y, t);

    x = 0.2;
    y = 0.2;

    z = x + y;
    t = z - x - y;

    printf("%f    %f  ->  %g\n", x, y, t);

    return 0;
}