1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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11 | // * Neither the authors of this software system, nor their employing * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // neutron_hp -- source file |
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27 | // J.P. Wellisch, Nov-1996 |
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28 | // A prototype of the low energy neutron transport model. |
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29 | // |
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30 | #include "G4NeutronHPArbitaryTab.hh" |
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31 | #include "G4ios.hh" |
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32 | |
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33 | G4double G4NeutronHPArbitaryTab::Sample(G4double anEnergy) |
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34 | { |
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35 | G4int i; |
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36 | for(i=0;i<nDistFunc;i++) |
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37 | { |
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38 | if(anEnergy<theDistFunc[i].GetLabel()) break; // that is the energy we need |
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39 | } |
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40 | G4int low(0), high(0); |
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41 | if(i==nDistFunc) |
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42 | { |
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43 | low = i-2; |
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44 | high = i-1; |
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45 | } |
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46 | else if(i==0) |
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47 | { |
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48 | if(nDistFunc==0) |
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49 | { |
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50 | G4cerr << "No distribution functions to sample " |
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51 | << "from in G4NeutronHPArbitaryTab::Sample"<<G4endl; |
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52 | throw G4HadronicException(__FILE__, __LINE__, "nDistFunc==0"); |
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53 | } |
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54 | else |
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55 | { |
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56 | return theDistFunc[0].Sample(); |
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57 | } |
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58 | } |
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59 | else |
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60 | { |
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61 | low = i-1; |
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62 | high = i; |
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63 | } |
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64 | theBuffer.Merge(theManager.GetScheme(low), anEnergy, |
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65 | theDistFunc+low, theDistFunc+high); |
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66 | return theBuffer.Sample(); |
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67 | } |
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