37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
|
/* ************************************************************************** */
|
||
|
/* */
|
||
|
/* ::: :::::::: */
|
||
|
/* 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);
|
||
|
}
|