forked from osmocom/wireshark
30 lines
873 B
C
30 lines
873 B
C
/** @file
|
|
*
|
|
* 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__ */
|