/*
    bisec.c
 */
#include <stdio.h>

double f(double x)
//  f(x) = x^2 - 2
{
    return ;
}

int main(void)
{
    int n = 0;
    double x1, x2, x3, err;
    double eps = 1.0e-6;

    x1 = ;
    x2 = ;
    printf(" n, x, err\n");
    do {
        n++;
        x3 = ;
        if ( ) ;
        else ;
        err = ;
        printf("%4d, % .15e, % .15e\n", n, x3, err);
    } while ( );
    printf("\n sqrt(2) = % .15e\n", );
    return (0);
}