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ps_rules.c
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ps_rules.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ps_rules.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: agarijo- <agarijo-@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/03/29 21:12:57 by agarijo- #+# #+# */
/* Updated: 2023/04/19 17:43:52 by agarijo- ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
t_node *swap_a_sa(t_node *head)
{
t_node *node;
t_node *temp;
node = lst_new_node();
if (node)
{
temp = head->next;
lst_add_value_to_node(node, (head->next)->value);
lst_add_pos_to_node(node, (head->next)->position);
lst_add_rank_to_node(node, (head->next)->rank);
lst_add_next_to_node(node, head);
lst_add_next_to_node(head, (head->next)->next);
lst_free_node(temp);
return (write(1, "sa\n", 3), node);
}
return (NULL);
}
void rotate_a_ra(t_node **head, int a_cost)
{
t_node *node;
t_node *new_head;
(void)a_cost;
node = lst_new_node();
new_head = (*head)->next;
lst_add_value_to_node(node, (*head)->value);
lst_add_pos_to_node(node, (*head)->position);
lst_add_rank_to_node(node, (*head)->rank);
lst_add_next_to_node(node, NULL);
lst_add_back(&new_head, node);
lst_free_node(*head);
*head = new_head;
write(1, "ra\n", 3);
}
void rotate_b_rb(t_node **head, int b_cost)
{
t_node *node;
t_node *new_head;
(void)b_cost;
node = lst_new_node();
new_head = (*head)->next;
lst_add_value_to_node(node, (*head)->value);
lst_add_pos_to_node(node, (*head)->position);
lst_add_rank_to_node(node, (*head)->rank);
lst_add_next_to_node(node, NULL);
lst_add_back(&new_head, node);
lst_free_node(*head);
*head = new_head;
write(1, "rb\n", 3);
}
void rotate_a_b_rr(t_node **head_a, t_node **head_b, int a_cost, int b_cost)
{
t_node *node;
t_node *new_head;
(void)a_cost;
(void)b_cost;
node = lst_new_node();
new_head = (*head_a)->next;
lst_add_value_to_node(node, (*head_a)->value);
lst_add_pos_to_node(node, (*head_a)->position);
lst_add_rank_to_node(node, (*head_a)->rank);
lst_add_next_to_node(node, NULL);
lst_add_back(&new_head, node);
lst_free_node(*head_a);
*head_a = new_head;
node = lst_new_node();
new_head = (*head_b)->next;
lst_add_value_to_node(node, (*head_b)->value);
lst_add_pos_to_node(node, (*head_b)->position);
lst_add_rank_to_node(node, (*head_b)->rank);
lst_add_next_to_node(node, NULL);
lst_add_back(&new_head, node);
lst_free_node(*head_b);
*head_b = new_head;
write(1, "rr\n", 3);
}