C math modf() function

C math modf() function

C math modf() function is used to return the fraction component (part after the decimal) and set integer to the integer component. It takes two different arguments and return a value with same sign.

double modf(double x, double *integer)

Parameter Values

#include <stdio.h>
#include <math.h>
int main () 
{
double x, fractpart, intpart;
x = 8.123;
fractpart = modf(x, &intpart);
printf("Integral part = %lf\n", intpart);
printf("Fraction Part = %lf \n", fractpart);
return(0);
}

#include <stdio.h>
#include <math.h>
int main () 
{
double x, fractpart, intpart;
x = 340.1283;
fractpart = modf(x, &intpart);
printf("Integral part = %lf\n", intpart);
printf("Fraction Part = %lf \n", fractpart);
return(0);
}