source: Sophya/trunk/Poubelle/DPC:FitsIOServer/Blitz/blitz/numtrait.h@ 1207

Last change on this file since 1207 was 658, checked in by ansari, 26 years ago

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1/***************************************************************************
2 * blitz/numtrait.h Declaration of the NumericTypeTraits class
3 *
4 * $Id: numtrait.h,v 1.1.1.1 1999-11-26 16:37:04 ansari Exp $
5 *
6 * Copyright (C) 1997,1998 Todd Veldhuizen <tveldhui@seurat.uwaterloo.ca>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * Suggestions: blitz-suggest@cybervision.com
19 * Bugs: blitz-bugs@cybervision.com
20 *
21 * For more information, please see the Blitz++ Home Page:
22 * http://seurat.uwaterloo.ca/blitz/
23 *
24 ***************************************************************************
25 * $Log: not supported by cvs2svn $
26 * Revision 1.1.1.1 1999/04/09 17:58:59 ansari
27 * Creation module DPC/Blitz (blitz 0.4) Reza 09/04/99
28 *
29 * Revision 1.5 1998/03/14 00:04:47 tveldhui
30 * 0.2-alpha-05
31 *
32 * Revision 1.4 1997/07/16 14:51:20 tveldhui
33 * Update: Alpha release 0.2 (Arrays)
34 *
35 * Revision 1.3 1997/01/24 14:42:00 tveldhui
36 * Periodic RCS update
37 *
38 * Revision 1.2 1997/01/23 03:28:28 tveldhui
39 * Periodic RCS update
40 *
41 * Revision 1.1 1997/01/13 22:19:58 tveldhui
42 * Periodic RCS update
43 *
44 *
45 */
46
47#ifndef BZ_NUMTRAIT_H
48#define BZ_NUMTRAIT_H
49
50#ifndef BZ_BLITZ_H
51 #include <blitz/blitz.h>
52#endif
53
54BZ_NAMESPACE(blitz)
55
56#ifndef BZ_USE_NUMTRAIT
57 #define BZ_SUMTYPE(X) X
58 #define BZ_DIFFTYPE(X) X
59 #define BZ_FLOATTYPE(X) X
60 #define BZ_SIGNEDTYPE(X) X
61#else
62
63#define BZ_SUMTYPE(X) _bz_typename NumericTypeTraits<X>::T_sumtype
64#define BZ_DIFFTYPE(X) _bz_typename NumericTypeTraits<X>::T_difftype
65#define BZ_FLOATTYPE(X) _bz_typename NumericTypeTraits<X>::T_floattype
66#define BZ_SIGNEDTYPE(X) _bz_typename NumericTypeTraits<X>::T_signedtype
67
68template<class P_numtype>
69class NumericTypeTraits {
70public:
71 typedef P_numtype T_sumtype; // Type to be used for summing
72 typedef P_numtype T_difftype; // Type to be used for difference
73 typedef P_numtype T_floattype; // Type to be used for floating-point
74 // calculations
75 typedef P_numtype T_signedtype; // Type to be used for signed calculations
76};
77
78#define BZDECLNUMTRAIT(X,Y,Z,W,U) \
79 template<> \
80 class NumericTypeTraits<X> { \
81 public: \
82 typedef Y T_sumtype; \
83 typedef Z T_difftype; \
84 typedef W T_floattype; \
85 typedef U T_signedtype; \
86 }
87
88#ifdef BZ_BOOL
89 BZDECLNUMTRAIT(bool,unsigned,int,float,int);
90#endif
91
92BZDECLNUMTRAIT(char,int,int,float,char);
93BZDECLNUMTRAIT(unsigned char, unsigned, int, float,int);
94BZDECLNUMTRAIT(short int, int, int, float, short int);
95BZDECLNUMTRAIT(short unsigned int, unsigned int, int, float, int);
96BZDECLNUMTRAIT(int, long, int, float, int);
97BZDECLNUMTRAIT(unsigned int, unsigned long, int, float, long);
98BZDECLNUMTRAIT(long, long, long, double, long);
99BZDECLNUMTRAIT(unsigned long, unsigned long, long, double, long);
100BZDECLNUMTRAIT(float, double, float, float, float);
101BZDECLNUMTRAIT(double, double, double, double, double);
102
103#ifdef BZ_HAVE_COMPLEX
104// BZDECLNUMTRAIT(complex<float>, complex<double>, complex<float>, complex<float>);
105// BZDECLNUMTRAIT(complex<double>, complex<long double>, complex<double>, complex<double>);
106#endif // BZ_HAVE_COMPLEX
107
108#endif // BZ_USE_NUMTRAIT
109
110BZ_NAMESPACE_END
111
112#endif // BZ_NUMTRAIT_H
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