#ifndef RATIONAL_NUMBERS
#define RATIONAL_NUMBERS

#include <stdint.h>

typedef struct {
    int16_t numerator;
    int16_t denominator;
} rational_t;

rational_t add(rational_t r1, rational_t r2);
rational_t subtract(rational_t r1, rational_t r2);
rational_t multiply(rational_t r1, rational_t r2);
rational_t divide(rational_t r1, rational_t r2);
rational_t absolute(rational_t r);
rational_t exp_rational(rational_t r, uint16_t n);
float exp_real(uint16_t x, rational_t r);
rational_t reduce(rational_t r);

/* See GNUmakefile below for explanation
 * https://github.com/braoult/exercism/blob/master/c/templates/GNUmakefile
 */
#if defined UNIT_TEST || defined DEBUG
#include <stdio.h>
#include <stdlib.h>
#endif

#ifdef  TESTALL
#undef  TEST_IGNORE
#define TEST_IGNORE() {}
#endif

#endif