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occt/src/gp/gp_Lin2d.cxx
abv d5f74e42d6 0024624: Lost word in license statement in source files
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast
Wrong license statements corrected in several files.
Copyright and license statements added in XSD and GLSL files.
Copyright year updated in some files.
Obsolete documentation files removed from DrawResources.
2014-02-20 16:15:17 +04:00

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// Copyright (c) 1995-1999 Matra Datavision
// 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.
// JCV 10/01/91 modifs suite a la deuxieme revue de projet
// AGV 03/04/07 bug correction: "pos" origin too far when A is very small
#define No_Standard_OutOfRange
#include <gp_Lin2d.ixx>
#include <gp.hxx>
//=======================================================================
//function : gp_Lin2d
//purpose :
//=======================================================================
gp_Lin2d::gp_Lin2d (const Standard_Real A,
const Standard_Real B,
const Standard_Real C)
{
const Standard_Real Norm2 = A * A + B * B;
Standard_ConstructionError_Raise_if (Norm2 <= gp::Resolution(), " ");
const gp_Pnt2d P (-A*C/Norm2, -B*C/Norm2);
const gp_Dir2d V (-B, A);
// gp_Pnt2d P;
// Standard_Real Norm = sqrt(A * A + B * B);
// Standard_ConstructionError_Raise_if (Norm <= gp::Resolution(), " ");
// Standard_Real A1 = A/Norm;
// Standard_Real B1 = B/Norm;
// Standard_Real C1 = C/Norm;
// gp_Dir2d V = gp_Dir2d (-B1, A1);
// Standard_Real AA1 = A1;
// if (AA1 < 0) AA1 = - AA1;
// if (AA1 > gp::Resolution()) P.SetCoord (-C1 / A1, 0.0);
// else P.SetCoord (0.0, -C1 / B1);
pos = gp_Ax2d(P, V);
}
//=======================================================================
//function : Mirror
//purpose :
//=======================================================================
void gp_Lin2d::Mirror (const gp_Pnt2d& P)
{ pos.Mirror(P); }
//=======================================================================
//function : Mirrored
//purpose :
//=======================================================================
gp_Lin2d gp_Lin2d::Mirrored (const gp_Pnt2d& P) const
{
gp_Lin2d L = *this;
L.pos.Mirror(P);
return L;
}
//=======================================================================
//function : Mirror
//purpose :
//=======================================================================
void gp_Lin2d::Mirror (const gp_Ax2d& A)
{ pos.Mirror(A); }
//=======================================================================
//function : Mirrored
//purpose :
//=======================================================================
gp_Lin2d gp_Lin2d::Mirrored (const gp_Ax2d& A) const
{
gp_Lin2d L = *this;
L.pos.Mirror(A);
return L;
}