#include <stdio.h>
#include <math.h>
#include "lib.h"

#define FIBO_NUM 15

#define SIN_A 1.6
#define SIN_B 3.7
#define ZEROIN_ERR 0.001

int main()
{
    printf("fibonachi number under index %u: %zu\n", FIBO_NUM, fibo(FIBO_NUM));
    printf("zero of sin(x) in interval (%lf %lf) is %lf\n",
            SIN_A, SIN_B, zeroin(sin, ZEROIN_ERR, SIN_A, SIN_B));
    return 0;
}