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76 lines
2.2 KiB
C++
Executable File
76 lines
2.2 KiB
C++
Executable File
// Created on: 1997-03-28
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// Created by: Philippe MANGIN
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <ChFi3d_SearchSing.ixx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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ChFi3d_SearchSing::ChFi3d_SearchSing(const Handle(Geom_Curve)& C1,
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const Handle(Geom_Curve)& C2)
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{
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myC1 = C1;
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myC2 = C2;
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}
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Standard_Boolean ChFi3d_SearchSing::Value(const Standard_Real X,
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Standard_Real& F)
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{
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gp_Pnt P1, P2;
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gp_Vec V1, V2;
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myC1->D1(X, P1, V1);
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myC2->D1(X, P2, V2);
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gp_Vec V(P1,P2);
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F = V * (V2-V1);
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return Standard_True;
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}
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Standard_Boolean ChFi3d_SearchSing::Derivative(const Standard_Real X,
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Standard_Real& D )
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{
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gp_Pnt P1, P2;
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gp_Vec V1, V2, W1, W2;
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myC1->D2(X, P1, V1, W1);
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myC2->D2(X, P2, V2, W2);
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gp_Vec V(P1,P2), VPrim;
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VPrim = V2 -V1;
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D = VPrim.SquareMagnitude() + (V * (W2-W1));
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return Standard_True;
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}
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Standard_Boolean ChFi3d_SearchSing::Values(const Standard_Real X,
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Standard_Real& F,
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Standard_Real& D )
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{
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gp_Pnt P1, P2;
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gp_Vec V1, V2, W1, W2;
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myC1->D2(X, P1, V1, W1);
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myC2->D2(X, P2, V2, W2);
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gp_Vec V(P1,P2), VPrim;
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VPrim = V2 -V1;
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F = V * VPrim;
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D = VPrim.SquareMagnitude() + (V * (W2-W1));
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return Standard_True;
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}
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