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/* ws_pow2.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __WS_POW2_H__
#define __WS_POW2_H__
/*
* Macros to calculate pow2^M, for various power-of-2 values and positive
* integer values of M. That's (2^N)^M, i.e. 2^(N*M).
*
* The first argument is the type of the desired result; the second
* argument is M.
*/
#define pow2(type, m) (((type)1U) << (m))
#define pow4(type, m) (((type)1U) << (2*(m)))
#define pow8(type, m) (((type)1U) << (3*(m)))
#define pow16(type, m) (((type)1U) << (4*(m)))
#define pow32(type, m) (((type)1U) << (5*(m)))
#define pow64(type, m) (((type)1U) << (6*(m)))
#define pow128(type, m) (((type)1U) << (7*(m)))
#define pow256(type, m) (((type)1U) << (8*(m)))
#endif /* __WS_POW2_H__ */
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