ft_sqrt.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_sqrt.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dbrophy <dbrophy@student.42.us.org>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/21 15:21:21 by dbrophy           #+#    #+#             */
/*   Updated: 2020/02/21 15:21:21 by dbrophy          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

double			ft_sqrt(double val)
{
	double	n;
	double	l;

	n = val / 2.0;
	l = 0;
	while (n != l)
	{
		l = n;
		n = (n + val / n) / 2.0;
	}
	return (n);
}