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units.hh
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1 //------------------------------------------------------------------------------
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4 // Copyright (C) 2008-2020 by the OpenStructure authors
5 //
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18 //------------------------------------------------------------------------------
19 #ifndef OST_UNITS_HH
20 #define OST_UNITS_HH
21 
22 #include <ost/module_config.hh>
23 
24 /*
25  convenience struct for units
26 
27  Author: Ansgar Philippsen
28 */
29 
30 namespace ost {
31 
43 #ifdef _MSC_VER
44 namespace Units {
45 const Real m=1.0e10;
46 const Real cm=1.0e8;
47 const Real mm=1.0e7;
48 const Real um=1.0e4;
49 const Real nm=1.0e1;
50 const Real pm=1.0e-2;
51 const Real A=1.0;
52 
53 const Real in=2.54e8;
54 const Real ft=3.048e9;
55 const Real yd=9.144e9;
56 
57 // standard angular unit is radians
58 const Real deg=0.0174532925199;
59 const Real rad=1.0;
60 const Real mrad=1.0e-3;
61 
62 // energy units converted according to metric units
63 const Real J=1.0e20;
64 const Real eV=16.0217653;
65 
66 
67 // converted according to metric units
68 const Real V=1.0e20;
69 const Real kV=1.0e23;
70 
71 // time units
72 const Real s=1.0;
73 const Real min=60.0;
74 const Real h=3600.0;
75 
76 //mass units
77 const Real kg=1.0;
78 const Real g=1.0e-3;
79 const Real mg=1.0e-6;
80 const Real kDa=1.6605655e-24;
81 const Real Da=1.6605655e-27;
82 
83 //charge
84 const Real C=1.0;
85 
86 } // Units
87 
88 #else
89 
91  static const Real m;
92  static const Real cm;
93  static const Real mm;
94  static const Real um;
95  static const Real nm;
96  static const Real pm;
97  static const Real A;
98 
99  static const Real in;
100  static const Real ft;
101  static const Real yd;
102 
103  static const Real deg;
104  static const Real rad;
105  static const Real mrad;
106 
107  static const Real J;
108  static const Real eV;
109 
110  static const Real V;
111  static const Real kV;
112 
113  static const Real s;
114  static const Real min;
115  static const Real h;
116 
117  static const Real kg;
118  static const Real g;
119  static const Real mg;
120  static const Real kDa;
121  static const Real Da;
122 
123  static const Real C;
124 };
125 
126 #endif
127 
128 } // ns
129 
130 
131 
132 
133 
134 
135 
136 #endif // OST_UNITS_HH
static const Real A
Definition: units.hh:97
static const Real kg
Definition: units.hh:117
static const Real cm
Definition: units.hh:92
float Real
Definition: base.hh:44
static const Real ft
Definition: units.hh:100
static const Real um
Definition: units.hh:94
static const Real mm
Definition: units.hh:93
static const Real rad
Definition: units.hh:104
static const Real mg
Definition: units.hh:119
static const Real h
Definition: units.hh:115
static const Real mrad
Definition: units.hh:105
static const Real g
Definition: units.hh:118
static const Real s
Definition: units.hh:113
static const Real in
Definition: units.hh:99
static const Real J
Definition: units.hh:107
static const Real min
Definition: units.hh:114
static const Real kV
Definition: units.hh:111
static const Real C
Definition: units.hh:123
static const Real kDa
Definition: units.hh:120
static const Real deg
Definition: units.hh:103
static const Real nm
Definition: units.hh:95
static const Real m
Definition: units.hh:91
static const Real V
Definition: units.hh:110
#define DLLEXPORT_OST_BASE
static const Real eV
Definition: units.hh:108
static const Real Da
Definition: units.hh:121
static const Real pm
Definition: units.hh:96
static const Real yd
Definition: units.hh:101