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: G4GDMLEvaluator.cc,v 1.11 2007/11/28 10:27:18 ztorzsok Exp $ |
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28 | // GEANT4 tag $ Name:$ |
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29 | // |
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30 | // class G4GDMLEvaluator Implementation |
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31 | // |
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32 | // Original author: Zoltan Torzsok, November 2007 |
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33 | // |
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34 | // -------------------------------------------------------------------- |
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35 | |
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36 | #include "G4GDMLEvaluator.hh" |
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37 | |
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38 | G4GDMLEvaluator::G4GDMLEvaluator() { |
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39 | |
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40 | eval.clear(); |
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41 | eval.setStdMath(); |
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42 | eval.setSystemOfUnits(1.e+3,1./1.60217733e-25,1.e+9,1./1.60217733e-10,1.0,1.0,1.0); |
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43 | } |
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44 | |
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45 | void G4GDMLEvaluator::defineConstant(const G4String& name,G4double value) { |
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46 | |
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47 | if (eval.findVariable(name)) G4Exception("GDML: Constant or variable '"+name+"' is already defined!"); |
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48 | |
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49 | eval.setVariable(name.c_str(),value); |
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50 | } |
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51 | |
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52 | void G4GDMLEvaluator::defineVariable(const G4String& name,G4double value) { |
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53 | |
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54 | if (eval.findVariable(name)) G4Exception("GDML: Constant or variable '"+name+"' is already defined!"); |
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55 | |
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56 | eval.setVariable(name.c_str(),value); |
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57 | variableList.push_back(name); |
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58 | } |
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59 | |
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60 | void G4GDMLEvaluator::setVariable(const G4String& name,G4double value) { |
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61 | |
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62 | checkVariable(name); |
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63 | |
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64 | eval.setVariable(name.c_str(),value); |
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65 | } |
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66 | |
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67 | void G4GDMLEvaluator::checkVariable(const G4String& name) { |
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68 | |
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69 | for (std::vector<G4String>::iterator iter = variableList.begin(); iter != variableList.end(); iter++) { |
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70 | |
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71 | if (name == *iter) return; |
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72 | } |
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73 | |
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74 | G4Exception("GDML: Variable '"+name+"' is not defined!"); |
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75 | } |
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76 | |
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77 | G4double G4GDMLEvaluator::Evaluate(const G4String& expression) { |
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78 | |
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79 | G4double value = 0.0; |
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80 | |
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81 | if (!expression.empty()) { |
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82 | |
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83 | value = eval.evaluate(expression.c_str()); |
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84 | |
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85 | if (eval.status() != HepTool::Evaluator::OK) { |
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86 | |
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87 | eval.print_error(); |
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88 | G4Exception("Error in evaluator!"); |
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89 | } |
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90 | } |
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91 | |
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92 | return value; |
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93 | } |
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94 | |
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95 | G4int G4GDMLEvaluator::EvaluateInteger(const G4String& expression) { |
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96 | |
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97 | G4double value = Evaluate(expression); |
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98 | |
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99 | G4int whole = (G4int)value; |
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100 | G4double frac = value - (G4double)whole; |
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101 | |
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102 | if (frac != 0.0) G4Exception("GDML: Expression '"+expression+"' is expected to have an integer value!"); |
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103 | |
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104 | return whole; |
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105 | } |
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