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ft_factorial.c
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ft_factorial.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_factorial.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dalves-p <dalves-p@student.42sp.org.br> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/04/15 16:51:52 by dalves-p #+# #+# */
/* Updated: 2021/06/29 18:42:21 by dalves-p ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
/*
** LIBRARY: N/A
** DESCRIPTION:
** The ft_factorial() function returns the result of a factorial operation
** based on the number given as a parameter. If the argument is not valid, it
** returns 0.
*/
int ft_factorial(int nb)
{
int result;
if (nb < 0)
return (0);
else if (nb <= 1)
return (1);
else
result = nb * ft_factorial(nb - 1);
return (result);
}