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error.c
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error.c
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#include<stdio.h>
double truncate(double n){
double t = (10e3);
double s = (int)(n*t)/t;
printf("Number after trancation : %lf\n",s);
return s;
}
double Roundoff(double n){
double y ;
int r = n*10e4;
int m = r%10;
if(m>5){
r=r/10;
r=r+1;
y = (double) r;
y=y/10000;
}
else if(m<5){
r=r/10;
y = (double) r;
y=y/10000;
}
else{
r=r/10;
int z;
z= r%10;
if(z%2==0){
r=r+1;
}
y = (double)r;
y = y/10000;
}
return y;
}
int main(){
double x,y,Ea,Er,Ep,o;
printf("Enter the value of X : ");
scanf("%lf",&x);
printf("--------------------------------------------------\n");
printf("AFTER TRUNCATION: ");
y = truncate(x);
Ea = x-y;
if(Ea<0){
Ea = -Ea;
}
Er = Ea/x;
Ep = Er*100;
printf("Absolute Error :%0.8lf\n",Ea);
printf("Relative Error :%0.8lf\n",Er);
printf("Error Percentage :%0.8lf\n",Ep);
printf("-------------------------------------------\n");
o = Roundoff(x);
printf("AFTER ROUNDOFF:");
printf("Number after Roundoff the value :%lf\n",o);
Ea = x-o;
if(Ea<0){
Ea = -Ea;
}
Er = Ea/x;
Ep = Er*100;
printf("Absolute Error :%0.8lf\n",Ea);
printf("Relative Error :%0.8lf\n",Er);
printf("Error Percentage :%0.8lf\n",Ep);
}