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Maieul BOYER 2024-01-29 22:45:54 +01:00
parent 63d62aec4d
commit 4d7255f105
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include/app/rotate.h Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* rotate.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/29 19:00:18 by maiboyer #+# #+# */
/* Updated: 2024/01/29 19:27:19 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef ROTATE_H
#define ROTATE_H
#include "me/types.h"
enum e_rotation_direction
{
FORWARD,
REVERSE,
};
typedef struct s_rotation
{
t_usize value;
t_usize ring_size;
enum e_rotation_direction direction;
} t_rotation;
static inline t_rotation forward(t_usize by, t_usize ring_size)
{
return ((t_rotation){
.value = by % ring_size, .ring_size = ring_size, .direction = FORWARD});
}
static inline t_rotation reverse(t_usize by, t_usize ring_size)
{
return ((t_rotation){
.value = by % ring_size, .ring_size = ring_size, .direction = REVERSE});
}
static inline t_rotation flip(t_rotation rot)
{
enum e_rotation_direction flipped;
flipped = FORWARD;
if (rot.direction == FORWARD)
flipped = REVERSE;
return ((t_rotation){.value = rot.ring_size - rot.value,
.ring_size = rot.ring_size,
.direction = flipped});
}
#endif /* ROTATE_H */