1// Copyright (c) 1995-1999 Matra Datavision
2// Copyright (c) 1999-2014 OPEN CASCADE SAS
3//
4// This file is part of Open CASCADE Technology software library.
5//
6// This library is free software; you can redistribute it and/or modify it under
7// the terms of the GNU Lesser General Public License version 2.1 as published
8// by the Free Software Foundation, with special exception defined in the file
9// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10// distribution for complete text of the license and disclaimer of any warranty.
11//
12// Alternatively, this file may be used under the terms of Open CASCADE
13// commercial license or contractual agreement.
14
15#include <gp_Pnt.hxx>
16#include <gp_Vec.hxx>
17
18#ifndef OCCT_DEBUG
19#define No_Standard_RangeError
20#define No_Standard_OutOfRange
21#endif
22
23
24IntImp_ZerCSParFunc::IntImp_ZerCSParFunc(const ThePSurface& S,
25					 const TheCurve& C) {
26  surface = S;
27  curve = C;
28  p = gp_Pnt(0.0,0.0,0.0);
29  f = 0.0;
30}
31
32Standard_Integer IntImp_ZerCSParFunc::NbVariables()const { return 3;}
33
34Standard_Integer IntImp_ZerCSParFunc::NbEquations()const { return 3;}
35
36Standard_Boolean IntImp_ZerCSParFunc::Value(const math_Vector& X,
37			                    math_Vector& F){
38
39  gp_Pnt Psurf = ThePSurfaceTool::Value(surface,X(1),X(2));
40  gp_Pnt Pcurv = TheCurveTool::Value(curve,X(3));
41  Standard_Real f1,f2,f3;
42  F(1) = f1 = Psurf.X()-Pcurv.X();
43  F(2) = f2 = Psurf.Y()-Pcurv.Y();
44  F(3) = f3 = Psurf.Z()-Pcurv.Z();
45  f = f1*f1 + f2*f2 + f3*f3;
46  p = gp_Pnt((Psurf.XYZ()+Pcurv.XYZ())*0.5);
47  return Standard_True;
48}
49
50Standard_Boolean IntImp_ZerCSParFunc::Derivatives ( const math_Vector& X,
51						    math_Matrix& D) {
52  gp_Pnt Psurf,Pcurv;
53  gp_Vec D1u,D1v,D1w;
54  ThePSurfaceTool::D1(surface,X(1),X(2),Psurf,D1u,D1v);
55  TheCurveTool::D1(curve,X(3),Pcurv,D1w);
56  D(1,1) =  D1u.X();
57  D(1,2) =  D1v.X();
58  D(1,3) = -D1w.X();
59  D(2,1) =  D1u.Y();
60  D(2,2) =  D1v.Y();
61  D(2,3) = -D1w.Y();
62  D(3,1) =  D1u.Z();
63  D(3,2) =  D1v.Z();
64  D(3,3) = -D1w.Z();
65  return Standard_True;
66}
67
68Standard_Boolean IntImp_ZerCSParFunc::Values( const math_Vector& X,
69					      math_Vector& F,
70					      math_Matrix& D) {
71  gp_Pnt Psurf,Pcurv;
72  gp_Vec D1u,D1v,D1w;
73  ThePSurfaceTool::D1(surface,X(1),X(2),Psurf,D1u,D1v);
74  TheCurveTool::D1(curve,X(3),Pcurv,D1w);
75  D(1,1) =  D1u.X();
76  D(1,2) =  D1v.X();
77  D(1,3) = -D1w.X();
78  D(2,1) =  D1u.Y();
79  D(2,2) =  D1v.Y();
80  D(2,3) = -D1w.Y();
81  D(3,1) =  D1u.Z();
82  D(3,2) =  D1v.Z();
83  D(3,3) = -D1w.Z();
84
85  Standard_Real f1,f2,f3;
86  F(1) = f1 = Psurf.X()-Pcurv.X();
87  F(2) = f2 = Psurf.Y()-Pcurv.Y();
88  F(3) = f3 = Psurf.Z()-Pcurv.Z();
89  f = f1*f1 + f2*f2 + f3*f3;
90  p = gp_Pnt((Psurf.XYZ()+Pcurv.XYZ())*0.5);
91  return Standard_True;
92}
93
94const gp_Pnt& IntImp_ZerCSParFunc::Point() const { return p;}
95
96Standard_Real IntImp_ZerCSParFunc::Root() const { return f;}
97
98const ThePSurface& IntImp_ZerCSParFunc::AuxillarSurface() const {
99  return surface;}
100
101const TheCurve& IntImp_ZerCSParFunc::AuxillarCurve() const {
102  return curve;}
103