38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_atoi.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: aortigos <aortigos@student.42malaga.com> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/09/22 20:46:43 by aortigos #+# #+# */
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/* Updated: 2023/10/18 20:41:03 by aortigos ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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double ft_atof(char *str)
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{
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int num;
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double rest;
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char *tmp;
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int i;
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num = ft_atoi(str);
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tmp = ft_strchr(str, '.');
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if (!tmp)
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tmp = ft_strchr(str, ',');
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if (!tmp)
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return (num);
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rest = ft_atoi(&tmp[1]);
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i = 1;
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while (tmp[i])
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{
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rest /= 10;
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i++;
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}
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if (num < 0 || (str[0] == '-' && str[1] == '0'))
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return (num - rest);
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return (num + rest);
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} |