42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* ************************************************************************** */
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/* */
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/* :::::::: */
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/* ft_fround.c :+: :+: :+: */
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/* +:+ */
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/* By: djonker <marvin@codam.nl> +#+ */
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/* +#+ */
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/* Created: 2021/02/02 07:42:16 by djonker #+# #+# */
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/* Updated: 2023/02/07 00:39:49 by houtworm ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../libft.h"
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double ft_fround(double n, int h)
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{
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char *s;
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char **t;
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char *r;
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s = ft_ftoa(n);
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t = ft_split(s, '.');
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t[0][ft_intlen(n)] = '.';
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t[0][ft_intlen(n) + 1] = '\0';
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if (h == 0)
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{
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if (t[1][0] > '5')
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t[0][ft_intlen(n) - 1] = t[0][ft_intlen(n) - 1] + 1;
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}
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else if (t[1][h] > '5')
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{
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t[1][h - 1] = t[1][h - 1] + 1;
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}
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t[1][h] = '\0';
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r = ft_strjoin(t[0], t[1]);
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n = ft_atof(r);
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ft_frenarr(t, 2);
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free(r);
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free(s);
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return (n);
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}
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