1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
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23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 spline class : define a basic spline on nKnots knots - this
30 does not go anywhere near these knots (will act as a base type for
31 various splines that will have real uses)
36 \*---------------------------------------------------------------------------*/
41 #include "pointField.H"
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
48 /*---------------------------------------------------------------------------*\
49 Class spline Declaration
50 \*---------------------------------------------------------------------------*/
56 //- The knots defining the spline
60 // Private member functions
62 //- Blending function for constructing spline
63 scalar B(const scalar&) const;
70 //- Construct from components
71 spline(const pointField&);
78 //- Return the number of knots in the spline
85 //- Return the position of a point on the curve given by
86 // the parameter 0 <= lambda <= 1
87 vector position(const scalar) const;
89 //- Return the length of the spline curve
90 scalar length() const;
94 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
96 } // End namespace Foam
98 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
102 // ************************************************************************* //