| [818] | 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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