Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/dna/utils/include/G4ErrorFunction.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
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  7 // * conditions of the Geant4 Software License,  included in the file *
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 10 // *                                                                  *
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 18 // * This  code  implementation is the result of  the  scientific and *
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 25 //
 26 /*
 27  * G4ErrorFunction.hh
 28  *
 29  *  Created on: Jul 23, 2019
 30  *      Author: W. G. Shin
 31  *              J. Ramos-Mendez and B. Faddegon
 32 */
 33 
 34 /*
 35  Extracted from http://ab-initio.mit.edu/Faddeeva
 36  Steven G. Johnson, October 2012.
 37 
 38  Copyright © 2012 Massachusetts Institute of Technology
 39 
 40  Permission is hereby granted, free of charge, to any person
 41  obtaining a copy of this software and associated documentation
 42  files (the "Software"), to deal in the Software without restriction,
 43  including without limitation the rights to use, copy, modify, merge,
 44  publish, distribute, sublicense, and/or sell copies of the Software,
 45  and to permit persons to whom the Software is furnished to do so,
 46  subject to the following conditions:
 47 
 48  The above copyright notice and this permission notice shall be
 49  included in all copies or substantial portions of the Software.
 50 */
 51 
 52 #ifndef G4ERRORFUNCTION_HH_
 53 #define G4ERRORFUNCTION_HH_
 54 
 55 #include "globals.hh"
 56 
 57 class G4ErrorFunction {
 58 public:
 59     G4ErrorFunction();
 60     virtual ~G4ErrorFunction();
 61 
 62     static G4double NormQuantile(G4double x);
 63     static G4double erfcx_y100(G4double x);
 64     static G4double erfcx(G4double x);
 65     static G4double erfc(G4double x);
 66     static G4double erfcInv(G4double x);
 67     static G4double erfcWxy(G4double c, G4double x, G4double y);
 68 
 69     static G4double Lambda(G4double x, G4double beta, G4double alpha);
 70 };
 71 
 72 #endif /* G4ERRORFUNCTION_HH_ */
 73