// Created on: 1994-07-06
// Created by: Laurent PAINNOT
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.


#include Extrema_ELCC_hxx
#include Extrema_LocECC_hxx
#include <StdFail_NotDone.hxx>
#include <Extrema_POnCurv.hxx>
#include <Precision.hxx>

Extrema_GLocateExtCC::Extrema_GLocateExtCC (const Curve1&       C1,
					    const Curve2&       C2,
					    const Standard_Real U0,
					    const Standard_Real V0)
{
  Standard_Real TolU = C1.Resolution(Precision::Confusion());
  Standard_Real TolV = C2.Resolution(Precision::Confusion());
  Extrema_POnCurv P1, P2;

  // Non implemente pour l instant: l appel a Extrema_ELCC.


  Extrema_LocECC Xtrem(C1, C2,
		       U0, V0, TolU, TolV);	
  // Exploitation

  myDone = Xtrem.IsDone();
  if (Xtrem.IsDone()) {
    mySqDist = Xtrem.SquareDistance();
    Xtrem.Point(P1, P2);
    myPoint1 = P1;
    myPoint2 = P2;
  }

}




Standard_Boolean Extrema_GLocateExtCC::IsDone () const {

  return myDone;
}


Standard_Real Extrema_GLocateExtCC::SquareDistance() const {

  if (!myDone) { StdFail_NotDone::Raise(); }
  return mySqDist;
}



void Extrema_GLocateExtCC::Point (Extrema_POnCurv& P1, Extrema_POnCurv& P2) const {

  if (!myDone) { StdFail_NotDone::Raise(); }
  P1 = myPoint1;
  P2 = myPoint2;
}