#include <stdio.h>
#include <limits.h>

#include "util.h"

double absD(double x){
    if(x<0){
        return -1 * x;
    }
    return x;
}

double squashDegreesTo360(double degrees){
    int multiple = degrees / 360;
    return degrees - (360*multiple);
}

unsigned long long fac(int x){
    unsigned long long prod = 1;
    if(x==0) return 1;
    for (int i = 1; i <= x; i++){
        if (prod > ULLONG_MAX / i){
            break;
        }
        prod*=i;
    }
    return prod;
}