/usr/include/root/TGeoHalfSpace.h is in libroot-geom-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Mihaela Gheata 03/08/04
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TGeoHalfSpace
#define ROOT_TGeoHalfSpace
#ifndef ROOT_TGeoBBox
#include "TGeoBBox.h"
#endif
////////////////////////////////////////////////////////////////////////////
// //
// TGeoHalfSpace - A half-space defined by: //
// p[3] - an arbitrary point on the plane //
// n[3] - normal at the plane in point P //
// A half-space is not really a shape, because it is infinite. The //
// normal vector points "outside" the half-space //
// //
////////////////////////////////////////////////////////////////////////////
class TGeoHalfSpace : public TGeoBBox
{
private:
Double_t fP[3];
Double_t fN[3];
public:
// constructors
TGeoHalfSpace();
TGeoHalfSpace(const char *name, Double_t *p, Double_t *n);
TGeoHalfSpace(Double_t *params);
// destructor
virtual ~TGeoHalfSpace();
// methods
virtual Double_t Capacity() const {return 0.;}
virtual void ComputeBBox() {;}
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
virtual Bool_t Contains(const Double_t *point) const;
virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
Double_t start, Double_t step);
virtual Double_t *GetPoint() {return fP;}
virtual Double_t *GetNorm() {return fN;}
virtual void GetBoundingCylinder(Double_t * /*param*/) const {;}
virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
virtual Int_t GetNmeshVertices() const {return 0;}
virtual void InspectShape() const;
virtual Bool_t IsCylType() const {return kFALSE;}
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
virtual void SetDimensions(Double_t *param);
virtual void SetPoints(Double_t * /*points*/) const {;}
virtual void SetPoints(Float_t * /*points*/) const {;}
virtual void Sizeof3D() const {;}
ClassDef(TGeoHalfSpace, 1) // half-space class
};
#endif
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