/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atof.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gbrochar <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/06 14:47:22 by gbrochar          #+#    #+#             */
/*   Updated: 2019/02/21 15:34:04 by gbrochar         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

double			ft_atof(const char *str)
{
	char		*tmp;
	double		floating_part;
	double		integer_part;

	integer_part = ft_atoi(str);
	floating_part = 0;
	tmp = ft_strchr(str, '.');
	if (tmp)
	{
		floating_part = ft_atoi(++tmp);
		while (*tmp >= '0' && *tmp <= '9')
		{
			floating_part /= (double)10;
			tmp++;
		}
	}
	if (integer_part < 0)
		return (-1.0 * (fabs(integer_part) + floating_part));
	return (integer_part + floating_part);
}