OCCT

// Created on: 1992-06-10
// Created by: Laurent BUCHARD
// Copyright (c) 1992-1999 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.

//  modified by Edward AGAPOV (eap)  Jun 7 2002 (occ 438)
//  --- limit infinite points and parameters in order to make
//  --- arithmetic operation on them safe

#include <IntRes2d_Domain.hxx>
#include <Precision.hxx>

const double infVal = Precision::Infinite();

//=================================================================================================

static inline double LimitInfinite(const double Val)
{
  return (std::abs(Val) > infVal ? (Val > 0 ? infVal : -infVal) : Val);
}

//=================================================================================================

IntRes2d_Domain::IntRes2d_Domain()
    : status(0),
      first_param(0.0),
      last_param(0.0),
      first_tol(0.0),
      last_tol(0.0),
      first_point(0.0, 0.0),
      last_point(0.0, 0.0),
      periodfirst(0.0),
      periodlast(0.0)
{
}

void IntRes2d_Domain::SetValues()
{
  status      = 0;
  periodfirst = periodlast = 0.0;
}

//=================================================================================================

IntRes2d_Domain::IntRes2d_Domain(const gp_Pnt2d& Pnt1,
                                 const double    Par1,
                                 const double    Tol1,
                                 const gp_Pnt2d& Pnt2,
                                 const double    Par2,
                                 const double    Tol2)
{

  SetValues(Pnt1, Par1, Tol1, Pnt2, Par2, Tol2);
}

//=======================================================================
// function : SetValues
// purpose  : Sets the values for a bounded domain.
//=======================================================================

void IntRes2d_Domain::SetValues(const gp_Pnt2d& Pnt1,
                                const double    Par1,
                                const double    Tol1,
                                const gp_Pnt2d& Pnt2,
                                const double    Par2,
                                const double    Tol2)
{

  status      = 3;
  periodfirst = periodlast = 0.0;

  first_param = LimitInfinite(Par1);
  first_point.SetCoord(LimitInfinite(Pnt1.X()), LimitInfinite(Pnt1.Y()));
  first_tol = Tol1;

  last_param = LimitInfinite(Par2);
  last_point.SetCoord(LimitInfinite(Pnt2.X()), LimitInfinite(Pnt2.Y()));
  last_tol = Tol2;
}

IntRes2d_Domain::IntRes2d_Domain(const gp_Pnt2d& Pnt,
                                 const double    Par,
                                 const double    Tol,
                                 const bool      First)
    : first_param(0.0),
      last_param(0.0),
      first_tol(0.0),
      last_tol(0.0),
      first_point(0.0, 0.0),
      last_point(0.0, 0.0)
{
  SetValues(Pnt, Par, Tol, First);
}

void IntRes2d_Domain::SetValues(const gp_Pnt2d& Pnt,
                                const double    Par,
                                const double    Tol,
                                const bool      First)
{

  periodfirst = periodlast = 0.0;
  if (First)
  {
    status      = 1;
    first_param = LimitInfinite(Par);
    first_point.SetCoord(LimitInfinite(Pnt.X()), LimitInfinite(Pnt.Y()));
    first_tol = Tol;
  }
  else
  {
    status     = 2;
    last_param = LimitInfinite(Par);
    last_point.SetCoord(LimitInfinite(Pnt.X()), LimitInfinite(Pnt.Y()));
    last_tol = Tol;
  }
}