Kamailio - The Open Source SIP Server: bit

00001 /* 
00002  * $Id: bit_scan.c 5720 2009-03-18 12:55:53Z henningw $
00003  * 
00004  * Copyright (C) 2007 iptelorg GmbH
00005  *
00006  * Permission to use, copy, modify, and distribute this software for any
00007  * purpose with or without fee is hereby granted, provided that the above
00008  * copyright notice and this permission notice appear in all copies.
00009  *
00010  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
00011  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
00012  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
00013  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
00014  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
00015  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
00016  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
00017  */
00018 /*
00019  *  bit scan operations, see bit_scan.h.
00020  */
00021 /* 
00022  * History:
00023  * --------
00024  *  2007-06-23  created by andrei
00025  */
00026 
00027 #include "bit_scan.h"
00028 
00029 unsigned char _debruijn_hash32[32]={0, 1, 2, 6, 3, 11, 7, 16, 4, 14, 12, 21, 8,
00030    23, 17, 26, 31, 5, 10, 15, 13, 20, 22, 25, 30, 9, 19, 24, 29, 18, 28, 27 };
00031 
00032 unsigned char _debruijn_hash64[64]={0, 1, 2, 7, 3, 13, 8, 19, 4, 25, 14, 28, 9,
00033    34, 20, 40, 5, 17, 26, 38, 15, 46, 29, 48, 10, 31, 35, 54, 21, 50, 41, 57,
00034    63, 6, 12, 18, 24, 27, 33, 39, 16, 37, 45, 47, 30, 53, 49, 56, 62, 11, 23,
00035    32, 36, 44, 52, 55, 61, 22, 43, 51, 60, 42, 59, 58 };
00036