/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_power.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: thrieg <thrieg@student.42mulhouse.fr>      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/01/07 14:57:23 by thrieg            #+#    #+#             */
/*   Updated: 2025/02/16 19:04:15 by thrieg           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

ssize_t	ft_power(ssize_t nb, ssize_t power)
{
	ssize_t	answer;
	ssize_t	i;

	if (power < 0)
		return (0);
	if (power == 0)
		return (1);
	if (power % 2 == 0)
		return (ft_power(nb * nb, power / 2));
	answer = nb;
	i = 1;
	while (i < power)
	{
		if ((power - i) % 2 == 0)
		{
			return (answer * ft_power(nb, (power - i)));
		}
		answer *= nb;
		i++;
	}
	return (answer);
}