/* This is a main routine that will call your function newton 
 * to find the roots of an equation */

#include<stdio.h>
#include<stdlib.h>

double bisection(double left, double right, double tolerance);

int main(int argc, char * argv[])
{
	double f;
	double left, right, tolerance;

	if(argc < 4 ){
		printf("Usage: %s  left_bracket right_bracket tolerance\n",argv[0]);
		return 1;
	}

 	left      = strtod(argv[1],NULL);
 	right     = strtod(argv[2],NULL);
 	tolerance = strtod(argv[3],NULL);
	
	f = bisection(left,right,tolerance);

	printf("This is the answer: %lf using [%lf,%lf] as initial brackets.\n",f,left,right);
}

// Below is the function to edit.
double bisection(double left, double right, double tolerance)
{
	double value;
	
	return value;
}