/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_is_sorted.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/29 14:41:08 by cchauvet          #+#    #+#             */
/*   Updated: 2022/11/29 19:02:34 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "pushswap.h"

int	ft_is_sorted(int *in)
{
	unsigned int	*tab;
	unsigned int	prev;
	unsigned int	i;
	int				shift;

	shift = ft_bit_finder_right(ft_get_bit_min(in), 1) - 1;
	tab = (unsigned int *) in;
	prev = tab[0];
	i = 1;
	while (in[i] != -1)
	{
		if (tab[i] >> shift != (prev >> shift) - 1)
			return (0);
		prev = tab[i];
		i++;
	}
	return (1);
}