1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4SIunits.hh,v 1.5 2006/09/15 08:16:10 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | // ---------------------------------------------------------------------- |
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31 | // |
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32 | // Class description: |
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33 | // |
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34 | // This file is a modified version of SystemOfUnits.h |
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35 | // It is provided for checking the overall 'units coherence' of the |
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36 | // Geant4 kernel. |
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37 | // ------- |
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38 | // Warning: if you use it, do not forget to recompile the whole Geant4 kernel |
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39 | // ------- |
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40 | // The basic units are those of the International System: |
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41 | // |
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42 | // meter |
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43 | // second |
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44 | // kilogram |
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45 | // ampere |
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46 | // degree kelvin |
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47 | // the amount of substance (mole) |
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48 | // luminous intensity (candela) |
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49 | // radian |
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50 | // steradian |
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51 | // |
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52 | // |
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53 | // The SI numerical value of the positron charge is defined here, |
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54 | // as it is needed for conversion factor : positron charge = e_SI (coulomb) |
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55 | // |
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56 | // The others physical constants are defined in the header file : |
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57 | // PhysicalConstants.h |
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58 | // |
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59 | |
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60 | // Authors: M.Maire, S.Giani |
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61 | // |
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62 | // History: |
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63 | // |
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64 | // 10.03.99 created |
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65 | // 01.03.01 parsec |
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66 | |
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67 | #ifndef G4UNITSTEST_HH |
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68 | #define G4UNITSTEST_HH |
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69 | |
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70 | // |
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71 | // Length [L] |
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72 | // |
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73 | static const double meter = 1.; |
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74 | static const double meter2 = meter*meter; |
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75 | static const double meter3 = meter*meter*meter; |
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76 | |
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77 | static const double millimeter = 0.001*meter; |
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78 | static const double millimeter2 = millimeter*millimeter; |
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79 | static const double millimeter3 = millimeter*millimeter*millimeter; |
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80 | |
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81 | static const double centimeter = 10.*millimeter; |
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82 | static const double centimeter2 = centimeter*centimeter; |
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83 | static const double centimeter3 = centimeter*centimeter*centimeter; |
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84 | |
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85 | static const double kilometer = 1000.*meter; |
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86 | static const double kilometer2 = kilometer*kilometer; |
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87 | static const double kilometer3 = kilometer*kilometer*kilometer; |
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88 | |
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89 | static const double parsec = 3.0856775807e+16*meter; |
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90 | |
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91 | static const double micrometer = 1.e-6 *meter; |
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92 | static const double nanometer = 1.e-9 *meter; |
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93 | static const double angstrom = 1.e-10*meter; |
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94 | static const double fermi = 1.e-15*meter; |
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95 | |
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96 | static const double barn = 1.e-28*meter2; |
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97 | static const double millibarn = 1.e-3 *barn; |
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98 | static const double microbarn = 1.e-6 *barn; |
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99 | static const double nanobarn = 1.e-9 *barn; |
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100 | static const double picobarn = 1.e-12*barn; |
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101 | |
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102 | // symbols |
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103 | static const double mm = millimeter; |
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104 | static const double mm2 = millimeter2; |
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105 | static const double mm3 = millimeter3; |
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106 | |
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107 | static const double cm = centimeter; |
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108 | static const double cm2 = centimeter2; |
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109 | static const double cm3 = centimeter3; |
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110 | |
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111 | static const double m = meter; |
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112 | static const double m2 = meter2; |
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113 | static const double m3 = meter3; |
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114 | |
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115 | static const double km = kilometer; |
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116 | static const double km2 = kilometer2; |
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117 | static const double km3 = kilometer3; |
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118 | |
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119 | static const double pc = parsec; |
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120 | |
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121 | // |
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122 | // Angle |
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123 | // |
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124 | static const double radian = 1.; |
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125 | static const double milliradian = 1.e-3*radian; |
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126 | static const double degree = (3.14159265358979323846/180.0)*radian; |
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127 | |
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128 | static const double steradian = 1.; |
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129 | |
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130 | // symbols |
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131 | static const double rad = radian; |
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132 | static const double mrad = milliradian; |
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133 | static const double sr = steradian; |
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134 | static const double deg = degree; |
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135 | |
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136 | // |
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137 | // Time [T] |
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138 | // |
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139 | static const double second = 1.; |
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140 | static const double nanosecond = 1.e-9 *second; |
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141 | static const double millisecond = 1.e-3 *second; |
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142 | static const double microsecond = 1.e-6 *second; |
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143 | static const double picosecond = 1.e-12*second; |
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144 | |
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145 | static const double hertz = 1./second; |
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146 | static const double kilohertz = 1.e+3*hertz; |
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147 | static const double megahertz = 1.e+6*hertz; |
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148 | |
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149 | // symbols |
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150 | static const double ns = nanosecond; |
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151 | static const double s = second; |
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152 | static const double ms = millisecond; |
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153 | |
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154 | // |
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155 | // Mass [E][T^2][L^-2] |
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156 | // |
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157 | static const double kilogram = 1.; |
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158 | static const double gram = 1.e-3*kilogram; |
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159 | static const double milligram = 1.e-3*gram; |
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160 | |
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161 | // symbols |
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162 | static const double kg = kilogram; |
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163 | static const double g = gram; |
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164 | static const double mg = milligram; |
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165 | |
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166 | // |
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167 | // Electric current [Q][T^-1] |
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168 | // |
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169 | static const double ampere = 1.; |
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170 | static const double milliampere = 1.e-3*ampere; |
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171 | static const double microampere = 1.e-6*ampere; |
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172 | static const double nanoampere = 1.e-9*ampere; |
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173 | |
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174 | // |
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175 | // Electric charge [Q] |
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176 | // |
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177 | static const double coulomb = ampere*second; |
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178 | static const double e_SI = 1.60217733e-19; // positron charge in coulomb |
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179 | static const double eplus = e_SI*coulomb ; // positron charge |
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180 | |
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181 | // |
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182 | // Energy [E] |
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183 | // |
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184 | static const double joule = kg*m*m/(s*s); |
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185 | |
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186 | static const double electronvolt = e_SI*joule; |
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187 | static const double kiloelectronvolt = 1.e+3*electronvolt; |
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188 | static const double megaelectronvolt = 1.e+6*electronvolt; |
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189 | static const double gigaelectronvolt = 1.e+9*electronvolt; |
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190 | static const double teraelectronvolt = 1.e+12*electronvolt; |
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191 | static const double petaelectronvolt = 1.e+15*electronvolt; |
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192 | |
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193 | // symbols |
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194 | static const double MeV = megaelectronvolt; |
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195 | static const double eV = electronvolt; |
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196 | static const double keV = kiloelectronvolt; |
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197 | static const double GeV = gigaelectronvolt; |
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198 | static const double TeV = teraelectronvolt; |
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199 | static const double PeV = petaelectronvolt; |
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200 | |
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201 | // |
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202 | // Power [E][T^-1] |
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203 | // |
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204 | static const double watt = joule/second; // watt = 6.24150 e+3 * MeV/ns |
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205 | |
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206 | // |
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207 | // Force [E][L^-1] |
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208 | // |
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209 | static const double newton = joule/meter; // newton = 6.24150 e+9 * MeV/mm |
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210 | |
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211 | // |
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212 | // Pressure [E][L^-3] |
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213 | // |
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214 | #define pascal hep_pascal // a trick to avoid warnings |
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215 | static const double hep_pascal = newton/m2; // pascal = 6.24150 e+3 * MeV/mm3 |
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216 | static const double bar = 100000*pascal; // bar = 6.24150 e+8 * MeV/mm3 |
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217 | static const double atmosphere = 101325*pascal; // atm = 6.32420 e+8 * MeV/mm3 |
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218 | |
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219 | // |
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220 | // Electric potential [E][Q^-1] |
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221 | // |
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222 | static const double megavolt = megaelectronvolt/eplus; |
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223 | static const double kilovolt = 1.e-3*megavolt; |
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224 | static const double volt = 1.e-6*megavolt; |
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225 | |
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226 | // |
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227 | // Electric resistance [E][T][Q^-2] |
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228 | // |
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229 | static const double ohm = volt/ampere; // ohm = 1.60217e-16*(MeV/eplus)/(eplus/ns) |
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230 | |
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231 | // |
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232 | // Electric capacitance [Q^2][E^-1] |
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233 | // |
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234 | static const double farad = coulomb/volt; // farad = 6.24150e+24 * eplus/Megavolt |
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235 | static const double millifarad = 1.e-3*farad; |
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236 | static const double microfarad = 1.e-6*farad; |
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237 | static const double nanofarad = 1.e-9*farad; |
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238 | static const double picofarad = 1.e-12*farad; |
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239 | |
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240 | // |
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241 | // Magnetic Flux [T][E][Q^-1] |
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242 | // |
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243 | static const double weber = volt*second; // weber = 1000*megavolt*ns |
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244 | |
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245 | // |
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246 | // Magnetic Field [T][E][Q^-1][L^-2] |
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247 | // |
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248 | static const double tesla = volt*second/meter2; // tesla =0.001*megavolt*ns/mm2 |
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249 | |
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250 | static const double gauss = 1.e-4*tesla; |
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251 | static const double kilogauss = 1.e-1*tesla; |
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252 | |
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253 | // |
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254 | // Inductance [T^2][E][Q^-2] |
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255 | // |
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256 | static const double henry = weber/ampere; // henry = 1.60217e-7*MeV*(ns/eplus)**2 |
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257 | |
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258 | // |
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259 | // Temperature |
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260 | // |
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261 | static const double kelvin = 1.; |
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262 | |
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263 | // |
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264 | // Amount of substance |
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265 | // |
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266 | static const double mole = 1.; |
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267 | |
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268 | // |
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269 | // Activity [T^-1] |
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270 | // |
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271 | static const double becquerel = 1./second ; |
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272 | static const double curie = 3.7e+10 * becquerel; |
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273 | |
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274 | // |
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275 | // Absorbed dose [L^2][T^-2] |
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276 | // |
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277 | static const double gray = joule/kilogram ; |
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278 | |
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279 | // |
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280 | // Luminous intensity [I] |
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281 | // |
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282 | static const double candela = 1.; |
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283 | |
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284 | // |
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285 | // Luminous flux [I] |
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286 | // |
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287 | static const double lumen = candela*steradian; |
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288 | |
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289 | // |
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290 | // Illuminance [I][L^-2] |
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291 | // |
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292 | static const double lux = lumen/meter2; |
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293 | |
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294 | // |
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295 | // Miscellaneous |
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296 | // |
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297 | static const double perCent = 0.01 ; |
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298 | static const double perThousand = 0.001; |
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299 | static const double perMillion = 0.000001; |
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300 | |
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301 | #endif /* G4UNITSTEST_HH */ |
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