Import Geant4 0.0.0 source tree

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+// This code implementation is the intellectual property of
+// the RD44 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.
+//
+// $Id: G4ThreeMat.hh,v 2.3 1998/10/20 16:31:36 broglia Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+/*  G4ThreeMat.h,v 1.7 1993/12/30 02:15:55 rensing Exp  */
+//  File: G4ThreeMat.h
+//  Author: Alan Breakstone
+
+// Contents ---------------------------------------------------------------
+//
+//	G4ThreeMat
+//
+//  Description
+//
+//      Defines the class G4ThreeMat for three by three matrices
+//
+//
+// End --------------------------------------------------------------------
+
+
+// Interface Dependencies -------------------------------------------------
+
+
+#ifndef __THREEMAT_H
+#define __THREEMAT_H
+
+#include "G4Vector3D.hh"
+
+// End Interface Dependencies -------------------------------------------
+
+// Class //
+
+class G4ThreeMat
+{
+//  The elements exist individually and are also aggregated into
+//  rows and columns to use operations already written for the G4Vector3Dc 
+//  class.
+	G4double element[3][3];
+	G4Vector3D row[3], column[3];
+public:
+//  default constructor
+	G4ThreeMat();
+//  Normal constructors with a 3 x 3 arG4Ray argument
+	G4ThreeMat( G4double a[3][3] );
+//  destructor
+	virtual ~G4ThreeMat() {};
+//  copy constructor
+	G4ThreeMat( const G4ThreeMat& m );
+//  function to return class name
+	virtual char *NameOf() const { return "G4ThreeMat"; }
+//  printing functions (derived classes do not need to overwrite operator <<)
+	friend ostream& operator<<( ostream& os, const G4ThreeMat& m );
+	virtual void PrintOn( ostream& os = G4cout ) const;
+//  equality operator
+	int operator==( const G4ThreeMat& m );
+//
+//  overload operators =, +, -, +=, -=, *
+//
+  void operator=( const G4ThreeMat& m );
+  G4ThreeMat operator+() const { return *this; };
+  G4ThreeMat operator-();
+  G4ThreeMat operator+=( const G4ThreeMat& m2 );
+  G4ThreeMat operator-=( const G4ThreeMat& m2 );
+  friend G4ThreeMat operator+( const G4ThreeMat& m1, const G4ThreeMat& m2 );
+  friend G4ThreeMat operator-( const G4ThreeMat& m1, const G4ThreeMat& m2 );
+  friend G4ThreeMat operator*( G4double x, const G4ThreeMat& m );
+  friend G4Vector3D operator*( const G4ThreeMat& m, const G4Vector3D& v );
+  friend G4ThreeMat operator*( const G4ThreeMat& m1, const G4ThreeMat& m2 );
+  //
+  //  Determinant of matrix
+  G4double Determinant();
+};
+
+#endif