1 // Created on: 1997-03-28
2 // Created by: Philippe MANGIN
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2012 OPEN CASCADE SAS
6 // The content of this file is subject to the Open CASCADE Technology Public
7 // License Version 6.5 (the "License"). You may not use the content of this file
8 // except in compliance with the License. Please obtain a copy of the License
9 // at http://www.opencascade.org and read it completely before using this file.
11 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
14 // The Original Code and all software distributed under the License is
15 // distributed on an "AS IS" basis, without warranty of any kind, and the
16 // Initial Developer hereby disclaims all such warranties, including without
17 // limitation, any warranties of merchantability, fitness for a particular
18 // purpose or non-infringement. Please see the License for the specific terms
19 // and conditions governing the rights and limitations under the License.
23 #include <ChFi3d_SearchSing.ixx>
28 ChFi3d_SearchSing::ChFi3d_SearchSing(const Handle(Geom_Curve)& C1,
29 const Handle(Geom_Curve)& C2)
37 Standard_Boolean ChFi3d_SearchSing::Value(const Standard_Real X,
49 Standard_Boolean ChFi3d_SearchSing::Derivative(const Standard_Real X,
53 gp_Vec V1, V2, W1, W2;
54 myC1->D2(X, P1, V1, W1);
55 myC2->D2(X, P2, V2, W2);
56 gp_Vec V(P1,P2), VPrim;
58 D = VPrim.SquareMagnitude() + (V * (W2-W1));
62 Standard_Boolean ChFi3d_SearchSing::Values(const Standard_Real X,
67 gp_Vec V1, V2, W1, W2;
68 myC1->D2(X, P1, V1, W1);
69 myC2->D2(X, P2, V2, W2);
70 gp_Vec V(P1,P2), VPrim;
73 D = VPrim.SquareMagnitude() + (V * (W2-W1));