Import Geant4 0.1.0 source tree

2016-06-08 15:09:25 +02:00
parent b97f8d0df7
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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: G4ThreeVector.hh,v 1.1 1999/01/08 16:31:34 gunter Exp $
+// GEANT4 tag $Name: geant4-00-01 $
+//
+//
+// ThreeVector class, converted from CLHEP:
+// Authors: Leif Lonnblad and Anders Nilsson.
+//
+// History:
+// 30.06.95 P.Kent
+
+#ifndef G4THREEVECTOR_HH
+#define G4THREEVECTOR_HH
+
+#include "globals.hh"
+#include "geomdefs.hh"
+
+class ostream;
+
+class G4ThreeVector {
+
+friend class G4RotationMatrix;
+
+public:
+
+    // The Constructors
+    inline G4ThreeVector(G4double x = 0.0, G4double y = 0.0, G4double z = 0.0)
+	: dx(x), dy(y), dz(z)
+    {;}
+    
+    inline G4ThreeVector(const G4ThreeVector & p)
+	: dx(p.dx), dy(p.dy), dz(p.dz)
+    {;}
+    
+    // the x, y and z components.
+    inline G4double x() const
+    {
+	return dx;
+    }
+
+    inline G4double y() const
+    {
+	return dy;
+    }
+
+    inline G4double z() const
+    {
+	return dz;
+    }
+
+// Assignment.
+    inline G4ThreeVector & operator = (const G4ThreeVector & p)
+    {
+	dx = p.x();
+	dy = p.y();
+	dz = p.z();
+	return *this;
+    }
+
+  inline G4bool operator==(const G4ThreeVector& v) const;
+    // Test for equality
+
+  inline G4ThreeVector & operator += (const G4ThreeVector &);
+  // Addition.
+
+  inline G4ThreeVector & operator -= (const G4ThreeVector &);
+  // Subtraction operator.
+
+  inline G4ThreeVector operator - () const;
+  // Unary minus.
+
+  inline G4ThreeVector & operator *= (G4double);
+  // Operators for scaling with real numbers.
+
+  inline G4double dot(const G4ThreeVector &) const;
+  // Scalar product.
+
+  inline G4ThreeVector cross(const G4ThreeVector &) const;
+  // Cross product.
+
+  inline G4double operator () (const EAxis) const;
+// Component access 
+
+
+  inline G4ThreeVector unit() const;
+  // the unit vector parallel to this
+
+  inline G4double mag2() const;
+  // the Magnitude squared.
+
+  inline G4double mag() const;
+  // the magnutude.
+
+  inline G4double perp2() const;
+  // The transverse component squared.
+
+  inline G4double perp() const;
+  // The transverse component.
+
+  inline G4double perp2(const G4ThreeVector &) const;
+  // The transverse component wrt. given axis squared.
+
+  inline G4double perp(const G4ThreeVector &) const;
+  // The transverse component wrt. given axis.
+
+  inline G4double phi() const;
+  // The azimuth angle.
+
+  inline G4double theta() const;
+  // The polar angle.
+
+  inline G4double cosTheta() const;
+  // Cosine of the polar angle.
+
+  inline G4double angle(const G4ThreeVector &) const;
+  // The angle w.r.t. another 3-vector.
+
+  inline G4ThreeVector & operator *= (const G4RotationMatrix &);
+  inline G4ThreeVector & transform(const G4RotationMatrix &);
+  // Transformation with a Rotation matrix.
+
+  void rotateX(G4double);
+  // Rotates the G4ThreeVector around the x-axis.
+
+  void rotateY(G4double);
+  // Rotates the G4ThreeVector around the y-axis.
+
+  void rotateZ(G4double);
+  // Rotates the G4ThreeVector around the z-axis.
+
+  void rotate(G4double, const G4ThreeVector &);
+  // Rotates around the axis specified by another G4ThreeVector.
+
+
+protected:
+
+  inline void setX(G4double);
+  inline void setY(G4double);
+  inline void setZ(G4double);
+  // Set the x, y and z components.
+
+private:
+
+  G4double dx, dy, dz;
+  // The components.
+
+};
+
+ostream & operator << (ostream &, const G4ThreeVector &);
+// output to a stream
+
+
+#include "G4ThreeVector.icc"
+// Inline functions
+
+#endif