/usr/include/oce/gp_Dir.lxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <gp_Vec.hxx>
#include <gp_Trsf.hxx>
#include <Standard_ConstructionError.hxx>
#include <Standard_OutOfRange.hxx>
inline gp_Dir::gp_Dir () : coord(1.,0.,0.)
{
}
inline gp_Dir::gp_Dir (const gp_Vec& V)
{
const gp_XYZ& XYZ = V.XYZ();
Standard_Real X = XYZ.X();
Standard_Real Y = XYZ.Y();
Standard_Real Z = XYZ.Z();
Standard_Real D = sqrt(X * X + Y * Y + Z * Z);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(X / D);
coord.SetY(Y / D);
coord.SetZ(Z / D);
}
inline gp_Dir::gp_Dir (const gp_XYZ& XYZ)
{
Standard_Real X = XYZ.X();
Standard_Real Y = XYZ.Y();
Standard_Real Z = XYZ.Z();
Standard_Real D = sqrt(X * X + Y * Y + Z * Z);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(X / D);
coord.SetY(Y / D);
coord.SetZ(Z / D);
}
inline gp_Dir::gp_Dir (const Standard_Real Xv,
const Standard_Real Yv,
const Standard_Real Zv)
{
Standard_Real D = sqrt (Xv * Xv + Yv * Yv + Zv * Zv);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(Xv / D);
coord.SetY(Yv / D);
coord.SetZ(Zv / D);
}
inline void gp_Dir::SetCoord (const Standard_Integer Index,
const Standard_Real Xi)
{
Standard_Real X = coord.X();
Standard_Real Y = coord.Y();
Standard_Real Z = coord.Z();
Standard_OutOfRange_Raise_if (Index < 1 || Index > 3, " ");
if (Index == 1) X = Xi;
else if (Index == 2) Y = Xi;
else Z = Xi;
Standard_Real D = sqrt (X * X + Y * Y + Z * Z);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(X / D);
coord.SetY(Y / D);
coord.SetZ(Z / D);
}
inline void gp_Dir::SetCoord (const Standard_Real Xv,
const Standard_Real Yv,
const Standard_Real Zv) {
Standard_Real D = sqrt(Xv * Xv + Yv * Yv + Zv * Zv);
Standard_ConstructionError_Raise_if(D <= gp::Resolution(), "");
coord.SetX(Xv / D);
coord.SetY(Yv / D);
coord.SetZ(Zv / D);
}
inline void gp_Dir::SetX (const Standard_Real X)
{
Standard_Real Y = coord.Y();
Standard_Real Z = coord.Z();
Standard_Real D = sqrt (X * X + Y * Y + Z * Z);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(X / D);
coord.SetY(Y / D);
coord.SetZ(Z / D);
}
inline void gp_Dir::SetY (const Standard_Real Y)
{
Standard_Real Z = coord.Z();
Standard_Real X = coord.X();
Standard_Real D = sqrt (X * X + Y * Y + Z * Z);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(X / D);
coord.SetY(Y / D);
coord.SetZ(Z / D);
}
inline void gp_Dir::SetZ (const Standard_Real Z)
{
Standard_Real X = coord.X();
Standard_Real Y = coord.Y();
Standard_Real D = sqrt (X * X + Y * Y + Z * Z);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(X / D);
coord.SetY(Y / D);
coord.SetZ(Z / D);
}
inline void gp_Dir::SetXYZ (const gp_XYZ& XYZ)
{
Standard_Real X = XYZ.X();
Standard_Real Y = XYZ.Y();
Standard_Real Z = XYZ.Z();
Standard_Real D = sqrt(X * X + Y * Y + Z * Z);
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.SetX(X / D);
coord.SetY(Y / D);
coord.SetZ(Z / D);
}
inline Standard_Real gp_Dir::Coord (const Standard_Integer Index) const
{ return coord.Coord (Index);}
inline void gp_Dir::Coord (Standard_Real& Xv,
Standard_Real& Yv,
Standard_Real& Zv) const
{ coord.Coord (Xv, Yv, Zv); }
inline Standard_Real gp_Dir::X() const
{ return coord.X() ; }
inline Standard_Real gp_Dir::Y() const
{ return coord.Y() ; }
inline Standard_Real gp_Dir::Z() const
{ return coord.Z() ; }
inline const gp_XYZ& gp_Dir::XYZ () const
{ return coord; }
inline Standard_Boolean gp_Dir::IsEqual
(const gp_Dir& Other,
const Standard_Real AngularTolerance) const
{ return Angle (Other) <= AngularTolerance; }
inline Standard_Boolean gp_Dir::IsNormal
(const gp_Dir& Other,
const Standard_Real AngularTolerance) const
{
Standard_Real Ang = M_PI / 2.0 - Angle (Other);
if (Ang < 0) Ang = - Ang;
return Ang <= AngularTolerance;
}
inline Standard_Boolean gp_Dir::IsOpposite
(const gp_Dir& Other,
const Standard_Real AngularTolerance) const
{ return M_PI - Angle (Other) <= AngularTolerance; }
inline Standard_Boolean gp_Dir::IsParallel
(const gp_Dir& Other,
const Standard_Real AngularTolerance) const
{
Standard_Real Ang = Angle (Other);
return Ang <= AngularTolerance || M_PI - Ang <= AngularTolerance;
}
inline void gp_Dir::Cross (const gp_Dir& Right)
{
coord.Cross (Right.coord);
Standard_Real D = coord.Modulus ();
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.Divide (D);
}
inline gp_Dir gp_Dir::Crossed (const gp_Dir& Right) const
{
gp_Dir V = *this;
V.coord.Cross (Right.coord);
Standard_Real D = V.coord.Modulus();
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
V.coord.Divide (D);
return V;
}
inline void gp_Dir::CrossCross (const gp_Dir& V1,
const gp_Dir& V2)
{
coord.CrossCross (V1.coord, V2.coord);
Standard_Real D = coord.Modulus();
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
coord.Divide(D);
}
inline gp_Dir gp_Dir::CrossCrossed (const gp_Dir& V1,
const gp_Dir& V2) const
{
gp_Dir V = *this;
(V.coord).CrossCross (V1.coord, V2.coord);
Standard_Real D = V.coord.Modulus();
Standard_ConstructionError_Raise_if (D <= gp::Resolution(), "");
V.coord.Divide(D);
return V;
}
inline Standard_Real gp_Dir::Dot (const gp_Dir& Other) const
{ return coord.Dot (Other.coord); }
inline Standard_Real gp_Dir::DotCross (const gp_Dir& V1,
const gp_Dir& V2) const
{ return coord.Dot (V1.coord.Crossed (V2.coord)); }
inline void gp_Dir::Reverse ()
{ coord.Reverse(); }
inline gp_Dir gp_Dir::Reversed () const {
gp_Dir V = *this;
V.coord.Reverse ();
return V;
}
inline void gp_Dir::Rotate (const gp_Ax1& A1, const Standard_Real Ang)
{
gp_Trsf T;
T.SetRotation (A1, Ang);
coord.Multiply (T.HVectorialPart ());
}
inline gp_Dir gp_Dir::Rotated (const gp_Ax1& A1,
const Standard_Real Ang) const
{
gp_Dir V = *this;
V.Rotate (A1, Ang);
return V;
}
inline gp_Dir gp_Dir::Transformed (const gp_Trsf& T) const
{
gp_Dir V = *this;
V.Transform (T);
return V;
}
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