ft_sqrt.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_sqrt.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: abassibe <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/01/14 08:41:09 by abassibe          #+#    #+#             */
/*   Updated: 2018/03/14 01:42:01 by abassibe         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int		ft_sqrt(int nb)
{
	int i;

	if (nb > 2147483647 || nb < 0)
		return (0);
	i = nb;
	while (nb < (i * i))
		i--;
	if (nb == (i * i))
		return (i);
	if (i * i < nb)
		return (0);
	return (0);
}