_bit_rotate.h

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/* === S T A R T =========================================================== */

#ifndef __ETL__BIT_ROTATE_H
#define __ETL__BIT_ROTATE_H

/* === H E A D E R S ======================================================= */

/* === M A C R O S ========================================================= */

/* === T Y P E D E F S ===================================================== */

/* === C L A S S E S & S T R U C T S ======================================= */

_ETL_BEGIN_NAMESPACE

template <typename T> T
rot_left(const T &val, const int &bits=1)
{
    return (T)( ((unsigned)val<<bits)+((unsigned)val>>(sizeof(T)*8-bits)) );
}

template <typename T> T
rot_right(const T &val, const int &bits=1)
{
    return (T)( ((unsigned)val>>bits)+((unsigned)val<<(sizeof(T)*8-bits)) );
}

_ETL_END_NAMESPACE

/* === E X T E R N S ======================================================= */

/* === E N D =============================================================== */

#endif