| 1 | /***************************************************************************
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| 2 |  * blitz/extremum.h      Declaration of the Extremum<T_numtype, T_index> class
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| 3 |  *
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| 4 |  * $Id: extremum.h,v 1.1.1.1 1999-11-26 16:37:03 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 1.1.1.1  1999/04/09  17:58:58  ansari
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| 27 |  * Creation module DPC/Blitz (blitz 0.4) Reza 09/04/99
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| 28 |  *
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| 29 |  * Revision 1.4  1998/03/14 00:04:47  tveldhui
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| 30 |  * 0.2-alpha-05
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| 31 |  *
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| 32 |  * Revision 1.3  1997/07/16 14:51:20  tveldhui
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| 33 |  * Update: Alpha release 0.2 (Arrays)
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| 34 |  *
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| 35 |  * Revision 1.2  1997/01/24 14:42:00  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_EXTREMUM_H
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| 45 | #define BZ_EXTREMUM_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 | // The Extremum class is used for returning extreme values and their
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| 54 | // locations in a numeric container.  It's a simple 2-tuple, with the
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| 55 | // first element being the extreme value, and the send its location.
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| 56 | // An object of type Extremum can be automatically converted to
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| 57 | // the numeric type via operator T_numtype().
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| 58 | template<class P_numtype, class P_index>
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| 59 | class Extremum {
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| 60 | public:
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| 61 |     typedef P_numtype T_numtype;
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| 62 |     typedef P_index   T_index;
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| 63 | 
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| 64 |     Extremum(T_numtype value, T_index index)
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| 65 |         : value_(value), index_(index)
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| 66 |     { }
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| 67 | 
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| 68 |     T_numtype value() const
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| 69 |     { return value_; }
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| 70 | 
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| 71 |     T_index index() const
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| 72 |     { return index_; }
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| 73 | 
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| 74 |     void setValue(T_numtype value)
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| 75 |     { value_ = value; }
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| 76 | 
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| 77 |     void setIndex(T_index index)
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| 78 |     { index_ = index; }
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| 79 | 
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| 80 |     operator T_numtype() const
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| 81 |     { return value_; }
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| 82 | 
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| 83 | protected:
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| 84 |     T_numtype value_;
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| 85 |     T_index index_;
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| 86 | };
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| 87 | 
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| 88 | BZ_NAMESPACE_END
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| 89 | 
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| 90 | #endif // BZ_EXTREMUM_H
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| 91 | 
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