#ifndef _ROTATE_H
#define _ROTATE_H

/** @file
 *
 * Bit operations
 */

#include <stdint.h>

static inline __attribute__ ((always_inline)) uint8_t
rol8 (uint8_t data, unsigned int rotation)
{
    return ((data << rotation) | (data >> (8 - rotation)));
}

static inline __attribute__ ((always_inline)) uint8_t
ror8 (uint8_t data, unsigned int rotation)
{
    return ((data >> rotation) | (data << (8 - rotation)));
}

static inline __attribute__ ((always_inline)) uint16_t
rol16 (uint16_t data, unsigned int rotation)
{
    return ((data << rotation) | (data >> (16 - rotation)));
}

static inline __attribute__ ((always_inline)) uint16_t
ror16 (uint16_t data, unsigned int rotation)
{
    return ((data >> rotation) | (data << (16 - rotation)));
}

static inline __attribute__ ((always_inline)) uint32_t
rol32 (uint32_t data, unsigned int rotation)
{
    return ((data << rotation) | (data >> (32 - rotation)));
}

static inline __attribute__ ((always_inline)) uint32_t
ror32 (uint32_t data, unsigned int rotation)
{
    return ((data >> rotation) | (data << (32 - rotation)));
}

static inline __attribute__ ((always_inline)) uint64_t
rol64 (uint64_t data, unsigned int rotation)
{
    return ((data << rotation) | (data >> (64 - rotation)));
}

static inline __attribute__ ((always_inline)) uint64_t
ror64 (uint64_t data, unsigned int rotation)
{
    return ((data >> rotation) | (data << (64 - rotation)));
}

#endif /* _ROTATE_H */