G4ErrorFunction.hh

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/*
 * G4ErrorFunction.hh
 *
 *  Created on: Jul 23, 2019
 *      Author: W. G. Shin
 *              J. Ramos-Mendez and B. Faddegon
*/
 
/*
 Extracted from http://ab-initio.mit.edu/Faddeeva
 Steven G. Johnson, October 2012.
 
 Copyright © 2012 Massachusetts Institute of Technology
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
 files (the "Software"), to deal in the Software without restriction,
 including without limitation the rights to use, copy, modify, merge,
 publish, distribute, sublicense, and/or sell copies of the Software,
 and to permit persons to whom the Software is furnished to do so,
 subject to the following conditions:
 
 The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.
*/
 
#ifndef G4ERRORFUNCTION_HH_
#define G4ERRORFUNCTION_HH_
 
#include "globals.hh"
#include <vector>
 
class G4ErrorFunction {
public:
    G4ErrorFunction();
    virtual ~G4ErrorFunction();
 
    static G4double NormQuantile(G4double x);
    static G4double erfcx_y100(G4double x);
    static G4double erfcx(G4double x);
    static G4double erfc(G4double x);
    static G4double erfcInv(G4double x);
    static G4double erfcWxy(G4double c, G4double x, G4double y);
 
    static G4double Lambda(G4double x, G4double beta, G4double alpha);
};
 
#endif /* G4ERRORFUNCTION_HH_ */