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vw_constants.h
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1 /*
2  * Copyright (c) 2009 Yahoo! Inc. All rights reserved. The copyrights
3  * embodied in the content of this file are licensed under the BSD
4  * (revised) open source license.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Written (W) 2011 Shashwat Lal Das
12  * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society.
13  */
14 
15 #ifndef _VW_CONSTANTS_H__
16 #define _VW_CONSTANTS_H__
17 
18 #include <shogun/lib/config.h>
19 
20 namespace shogun
21 {
23 typedef uint32_t (*hash_func_t)(substring, uint32_t);
24 
26 typedef uint32_t vw_size_t;
27 
29 const int32_t quadratic_constant = 27942141;
30 
32 const int32_t constant_hash = 11650396;
33 
35 const uint32_t hash_base = 97562527;
36 
37 }
38 
39 #endif // _VW_CONSTANTS_H__

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