#ifndef _JPP_L1_Z7_WRAPPER_H
#define _JPP_L1_Z7_WRAPPER_H

#include <stdbool.h>

/*
 * computes the gcd of a and b
 * only works on natural numbers
 */
extern unsigned int gcd(unsigned int a, unsigned int b);

/*
 * computes the factorial of n
 * only works on natural numbers
 */
extern unsigned int factorial(unsigned int n);

/*
 * the solution of a linear diophantine equation 
 */
typedef struct {
    bool resultExists;
    int n;
    int m;
} Result;

/*
 * computes the solution of a linear diophantine equation ax + by = c
 * if the solution doesn't exist Result::resultExists == false
 */
extern Result diophantine(int a, int b, int c);

#endif // _JPP_L1_Z7_WRAPPER_H