To find the relative , percentage, absolute error using normalized floating point representation.

#include<stdio.h>

#include<math.h>

void main()

{

    float abserror, relerror, percerror, trueval, approxval;

    printf("enter true value");

    scanf("%f",&trueval);

    printf("enter approx value");

    scanf("%f",&approxval);

    abserror=fabs(trueval-approxval);

    relerror=abserror/trueval;

    percerror=relerror*100;

    printf("absolute error = %f",abserror);

    printf("relative error = %f",relerror);

    printf("percentage error = %f",percerror);

}