Import Geant4 7.0.0 source tree

2016-06-09 11:11:55 +02:00
parent e083ffb441
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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+//
+#ifndef MYGAMMA_H
+#define MYGAMMA_H
+
+#include <cmath>
+
+class MyGamma {
+	public:
+	MyGamma ();
+	~MyGamma();
+	
+	double Gamma(double z);
+	double  Gamma(double a,double x);
+	private:
+	double GamCf(double a,double x);
+	double GamSer(double a,double x);
+	
+	// Abs
+	static short  Abs(short d)  { return (d > 0) ? d : -d; }
+	static int    Abs(int d)   { return (d > 0) ? d : -d; }
+	static long   Abs(long d)  { return (d > 0) ? d : -d; }
+	static float  Abs(float d){ return (d > 0) ? d : -d; }
+	static double Abs(double d)   { return (d > 0) ? d : -d; }
+	static double LnGamma(double z); 
+	static double Log(double x){ return std::log(x); }
+	static double Exp(double x){ return std::exp(x); }
+	
+	
+};
+
+#endif