| 1 | /***************************************************************************
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| 2 |  * blitz/update.h      Declaration of the _bz_XXXX updater classes
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| 3 |  *
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| 4 |  * $Id: update.h,v 1.1.1.1 1999-04-09 17:58:59 ansari Exp $
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| 5 |  *
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| 6 |  * Copyright (C) 1997,1998 Todd Veldhuizen <tveldhui@seurat.uwaterloo.ca>
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| 7 |  *
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| 8 |  * This program is free software; you can redistribute it and/or
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| 9 |  * modify it under the terms of the GNU General Public License
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| 10 |  * as published by the Free Software Foundation; either version 2
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| 11 |  * of the License, or (at your option) any later version.
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| 12 |  *
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| 13 |  * This program is distributed in the hope that it will be useful,
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| 14 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| 16 |  * GNU General Public License for more details.
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| 17 |  *
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| 18 |  * Suggestions:          blitz-suggest@cybervision.com
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| 19 |  * Bugs:                 blitz-bugs@cybervision.com
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| 20 |  *
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| 21 |  * For more information, please see the Blitz++ Home Page:
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| 22 |  *    http://seurat.uwaterloo.ca/blitz/
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| 23 |  *
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| 24 |  ***************************************************************************
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| 25 |  * $Log: not supported by cvs2svn $
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| 26 |  * Revision 1.5  1998/03/14 00:04:47  tveldhui
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| 27 |  * 0.2-alpha-05
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| 28 |  *
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| 29 |  * Revision 1.4  1997/07/16 14:51:20  tveldhui
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| 30 |  * Update: Alpha release 0.2 (Arrays)
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| 31 |  *
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| 32 |  * Revision 1.3  1997/01/24 14:42:00  tveldhui
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| 33 |  * Periodic RCS update
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| 34 |  *
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| 35 |  * Revision 1.2  1997/01/23 03:28:28  tveldhui
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| 36 |  * Periodic RCS update
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| 37 |  *
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| 38 |  * Revision 1.1  1997/01/13 22:19:58  tveldhui
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| 39 |  * Periodic RCS update
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| 40 |  *
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| 41 |  *
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| 42 |  */
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| 43 | 
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| 44 | #ifndef BZ_UPDATE_H
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| 45 | #define BZ_UPDATE_H
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| 46 | 
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| 47 | #ifndef BZ_BLITZ_H
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| 48 |  #include <blitz/blitz.h>
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| 49 | #endif
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| 50 | 
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| 51 | BZ_NAMESPACE(blitz)
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| 52 | 
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| 53 | class _bz_updater_base { };
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| 54 | 
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| 55 | #define BZ_DECL_UPDATER(name,op,symbol)               \
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| 56 |   template<class X, class Y>                          \
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| 57 |   class name : public _bz_updater_base {              \
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| 58 |   public:                                             \
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| 59 |     static inline void update(X& _bz_restrict x, Y y) \
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| 60 |     { x op y; }                                       \
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| 61 |     static void prettyPrint(string& str)              \
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| 62 |     { str += symbol; }                                \
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| 63 |   }
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| 64 | 
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| 65 | BZ_DECL_UPDATER(_bz_update, =, "=");
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| 66 | BZ_DECL_UPDATER(_bz_plus_update, +=, "+=");
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| 67 | BZ_DECL_UPDATER(_bz_minus_update, -=, "-=");
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| 68 | BZ_DECL_UPDATER(_bz_multiply_update, *=, "*=");
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| 69 | BZ_DECL_UPDATER(_bz_divide_update, /=, "/=");
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| 70 | BZ_DECL_UPDATER(_bz_mod_update, %=, "%=");
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| 71 | BZ_DECL_UPDATER(_bz_xor_update, ^=, "^=");
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| 72 | BZ_DECL_UPDATER(_bz_bitand_update, &=, "&=");
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| 73 | BZ_DECL_UPDATER(_bz_bitor_update, |=, "|=");
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| 74 | BZ_DECL_UPDATER(_bz_shiftl_update, <<=, "<<=");
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| 75 | BZ_DECL_UPDATER(_bz_shiftr_update, >>=, ">>=");
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| 76 | 
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| 77 | BZ_NAMESPACE_END
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| 78 | 
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| 79 | #endif // BZ_UPDATE_H
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| 80 | 
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