1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "interpolateXY.H"
27 #include "primitiveFields.H"
29 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
34 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
37 Field<Type> interpolateXY
39 const scalarField& xNew,
40 const scalarField& xOld,
41 const Field<Type>& yOld
44 Field<Type> yNew(xNew.size());
48 yNew[i] = interpolateXY(xNew[i], xOld, yOld);
59 const scalarField& xOld,
60 const Field<Type>& yOld
63 label n = xOld.size();
66 for (lo=0; lo<n && xOld[lo]>x; ++lo)
72 for (label i=low; i<n; ++i)
74 if (xOld[i] > xOld[lo] && xOld[i] <= x)
82 for (hi=0; hi<n && xOld[hi]<x; ++hi)
88 for (label i=high; i<n; ++i)
90 if (xOld[i] < xOld[hi] && xOld[i] >= x)
98 if (lo<n && hi<n && lo != hi)
101 + ((x - xOld[lo])/(xOld[hi] - xOld[lo]))*(yOld[hi] - yOld[lo]);
118 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
120 } // End namespace Foam
122 // ************************************************************************* //