Question

How to get a number absolute value in C

Answer 1

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main(int argc, char **argv) 
{ 
    int n;
 
    n = 7;
    printf("%d\n", abs(n)); // abs() stdlib.h
    
    n = -7;
    printf("%d\n", abs(n)); // abs() stdlib.h
    
    float f = -5.6;
    printf("%.1f\n", fabs(f)); // fabs() math.h
    return 0;
}

/*
run:

7
7
5.6

*/

 

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