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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // Module defining platform dependent features << 26 //
>> 27 // $Id: templates.hh,v 1.13 2008/08/15 12:15:53 gcosmo Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02 $
>> 29 //
>> 30 //
>> 31 // -*- C++ -*-
>> 32 //
>> 33 // -----------------------------------------------------------------------
>> 34 // This file should define some platform dependent features and some
>> 35 // useful utilities.
>> 36 // -----------------------------------------------------------------------
>> 37
>> 38 // =======================================================================
>> 39 // Gabriele Cosmo - Created: 5th September 1995
>> 40 // Gabriele Cosmo - Minor change: 08/02/1996
>> 41 // Gabriele Cosmo - Added DBL_MIN, FLT_MIN, DBL_DIG,
>> 42 // DBL_MAX, FLT_DIG, FLT_MAX : 12/04/1996
>> 43 // Gabriele Cosmo - Removed boolean enum definition : 29/11/1996
>> 44 // Gunter Folger - Added G4SwapPtr() and G4SwapObj() : 31/07/1997
>> 45 // Gabriele Cosmo - Adapted signatures of min(), max() to
>> 46 // STL's ones, thanks to E.Tcherniaev : 31/07/1997
>> 47 // Gabriele Cosmo,
>> 48 // Evgueni Tcherniaev - Migrated to CLHEP: 04/12/1997
>> 49 // =======================================================================
27 50
28 // Author: Gabriele Cosmo, 5 September 1995 - << 51 #ifndef templates_h
29 // ------------------------------------------- << 52 #define templates_h 1
30 #ifndef templates_hh <<
31 #define templates_hh 1 <<
32 53
33 #include <climits> <<
34 #include <limits> 54 #include <limits>
>> 55 #include <climits>
35 56
>> 57 //
36 // If HIGH_PRECISION is defined to TRUE (ie. ! 58 // If HIGH_PRECISION is defined to TRUE (ie. != 0) then the type "Float"
37 // is typedefed to "double". If it is FALSE (i 59 // is typedefed to "double". If it is FALSE (ie. 0) it is typedefed
38 // to "float". 60 // to "float".
39 // 61 //
40 #ifndef HIGH_PRECISION 62 #ifndef HIGH_PRECISION
41 # define HIGH_PRECISION 1 << 63 #define HIGH_PRECISION 1
42 #endif 64 #endif
43 65
44 #if HIGH_PRECISION 66 #if HIGH_PRECISION
45 using Float = double; << 67 typedef double Float;
46 #else 68 #else
47 using Float = float; << 69 typedef float Float;
48 #endif 70 #endif
49 71
50 // Following values have been taken from limit 72 // Following values have been taken from limits.h
51 // and temporarly defined for portability on H 73 // and temporarly defined for portability on HP-UX.
52 74
53 #ifndef DBL_MIN /* Min decimal value of a doub << 75 #ifndef DBL_MIN /* Min decimal value of a double */
54 # define DBL_MIN std::numeric_limits<double>: << 76 #define DBL_MIN std::numeric_limits<double>::min() // 2.2250738585072014e-308
55 #endif 77 #endif
56 78
57 #ifndef DBL_DIG /* Digits of precision of a do << 79 #ifndef DBL_DIG /* Digits of precision of a double */
58 # define DBL_DIG std::numeric_limits<double>: << 80 #define DBL_DIG std::numeric_limits<double>::digits10 // 15
59 #endif 81 #endif
60 82
61 #ifndef DBL_MAX /* Max decimal value of a doub << 83 #ifndef DBL_MAX /* Max decimal value of a double */
62 # define DBL_MAX std::numeric_limits<double>: << 84 #define DBL_MAX std::numeric_limits<double>::max() // 1.7976931348623157e+308
63 #endif 85 #endif
64 86
65 #ifndef DBL_EPSILON 87 #ifndef DBL_EPSILON
66 # define DBL_EPSILON std::numeric_limits<doub << 88 #define DBL_EPSILON std::numeric_limits<double>::epsilon()
67 #endif // 2.2204460492503131e-16 << 89 #endif // 2.2204460492503131e-16
68 90
69 #ifndef FLT_MIN /* Min decimal value of a floa << 91 #ifndef FLT_MIN /* Min decimal value of a float */
70 # define FLT_MIN std::numeric_limits<float>:: << 92 #define FLT_MIN std::numeric_limits<float>::min() // 1.17549435e-38F
71 #endif 93 #endif
72 94
73 #ifndef FLT_DIG /* Digits of precision of a fl << 95 #ifndef FLT_DIG /* Digits of precision of a float */
74 # define FLT_DIG std::numeric_limits<float>:: << 96 #define FLT_DIG std::numeric_limits<float>::digits10 // 6
75 #endif 97 #endif
76 98
77 #ifndef FLT_MAX /* Max decimal value of a floa << 99 #ifndef FLT_MAX /* Max decimal value of a float */
78 # define FLT_MAX std::numeric_limits<float>:: << 100 #define FLT_MAX std::numeric_limits<float>::max() // 3.40282347e+38F
79 #endif 101 #endif
80 102
81 #ifndef FLT_EPSILON 103 #ifndef FLT_EPSILON
82 # define FLT_EPSILON std::numeric_limits<floa << 104 #define FLT_EPSILON std::numeric_limits<float>::epsilon()
83 #endif // 1.192092896e-07F << 105 #endif // 1.192092896e-07F
84 106
85 #ifndef MAXFLOAT /* Max decimal value of a flo << 107 #ifndef MAXFLOAT /* Max decimal value of a float */
86 # define MAXFLOAT std::numeric_limits<float>: << 108 #define MAXFLOAT std::numeric_limits<float>::max() // 3.40282347e+38F
87 #endif <<
88 <<
89 #ifndef INT_MAX /* Max decimal value of a int <<
90 # define INT_MAX std::numeric_limits<int>::ma <<
91 #endif <<
92 <<
93 #ifndef INT_MIN /* Min decimal value of a int <<
94 # define INT_MIN std::numeric_limits<int>::mi <<
95 #endif <<
96 <<
97 #ifndef LOG_EKIN_MIN /* Min value of the natur <<
98 # define LOG_EKIN_MIN -30 <<
99 #endif 109 #endif
100 110
101 //--------------------------------- 111 //---------------------------------
102 112
103 template <class T> 113 template <class T>
104 inline void G4SwapPtr(T*& a, T*& b) << 114 inline void G4SwapPtr(T*& a, T*& b) {
105 { << 115 T* tmp= a;
106 T* tmp = a; << 116 a = b;
107 a = b; << 117 b = tmp;
108 b = tmp; <<
109 } 118 }
110 119
111 template <class T> 120 template <class T>
112 inline void G4SwapObj(T* a, T* b) << 121 inline void G4SwapObj(T* a, T* b) {
113 { << 122 T tmp= *a;
114 T tmp = *a; << 123 *a = *b;
115 *a = *b; << 124 *b = tmp;
116 *b = tmp; <<
117 } 125 }
118 126
119 //----------------------------- 127 //-----------------------------
120 128
121 #ifndef G4_SQR_DEFINED 129 #ifndef G4_SQR_DEFINED
122 # define G4_SQR_DEFINED << 130 #define G4_SQR_DEFINED
123 # ifdef sqr << 131 #ifdef sqr
124 # undef sqr << 132 #undef sqr
125 # endif << 133 #endif
126 134
127 template <class T> 135 template <class T>
128 inline T sqr(const T& x) 136 inline T sqr(const T& x)
129 { 137 {
130 return x * x; << 138 return x*x;
131 } 139 }
132 #endif 140 #endif
133 141
134 inline int G4lrint(double ad) << 142 #ifdef G4_ABS_DEFINED
>> 143 #ifdef abs
>> 144 #undef abs
>> 145 #endif
>> 146 template <class T>
>> 147 inline T std::abs(const T& a)
135 { 148 {
136 return (int)std::lrint(ad); << 149 return a < 0 ? -a : a;
137 } 150 }
>> 151 #endif
138 152
139 //----------------------------- << 153 #endif // templates_h
140 <<
141 // Use the following function to get rid of " <<
142 // Example: <<
143 // <<
144 // #ifdef SOME_CONDITION <<
145 // void doSomething(int val) <<
146 // { <<
147 // something = val; <<
148 // } <<
149 // #else <<
150 // void doSomething(int) <<
151 // { } <<
152 // #endif <<
153 // <<
154 // can be simplified to: <<
155 // <<
156 // void doSomething(int val) <<
157 // { <<
158 // #ifdef SOME_CONDITION <<
159 // something = val; <<
160 // #else <<
161 // G4ConsumeParameters(val); <<
162 // #endif <<
163 // } <<
164 // <<
165 // or: <<
166 // <<
167 // void doSomething(int val) <<
168 // { <<
169 // #ifdef SOME_CONDITION <<
170 // something = val; <<
171 // #endif <<
172 // // function call does nothing <<
173 // G4ConsumeParameters(val); <<
174 // } <<
175 // <<
176 template <typename... _Args> <<
177 inline void G4ConsumeParameters(_Args&&...) <<
178 {} <<
179 <<
180 #endif // templates_hh <<
181 154