Question

How to get the integer and the fraction part of double number in C

Answer 1

#include <stdio.h>     
#include <math.h> 
 
int main(void)
{
    double d = 3.141592, integer;

    double fraction = modf(d, &integer);

    printf("Integer = %lf\n", integer);
    printf("Fraction = %lf\n", fraction);

    return 0;
}
    
/*
run:
 
Integer = 3.000000
Fraction = 0.141592
 
*/

 

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