/usr/include/freefoam/OpenFOAM/interpolateXY.C is in libfreefoam-dev 0.1.0+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | /*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "interpolateXY.H"
#include <OpenFOAM/primitiveFields.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template<class Type>
Field<Type> interpolateXY
(
const scalarField& xNew,
const scalarField& xOld,
const Field<Type>& yOld
)
{
Field<Type> yNew(xNew.size());
forAll(xNew, i)
{
yNew[i] = interpolateXY(xNew[i], xOld, yOld);
}
return yNew;
}
template<class Type>
Type interpolateXY
(
const scalar x,
const scalarField& xOld,
const Field<Type>& yOld
)
{
label n = xOld.size();
label lo = 0;
for (lo=0; lo<n && xOld[lo]>x; ++lo)
{}
label low = lo;
if (low < n)
{
for (label i=low; i<n; ++i)
{
if (xOld[i] > xOld[lo] && xOld[i] <= x)
{
lo = i;
}
}
}
label hi = 0;
for (hi=0; hi<n && xOld[hi]<x; ++hi)
{}
label high = hi;
if (high < n)
{
for (label i=high; i<n; ++i)
{
if (xOld[i] < xOld[hi] && xOld[i] >= x)
{
hi = i;
}
}
}
if (lo<n && hi<n && lo != hi)
{
return yOld[lo]
+ ((x - xOld[lo])/(xOld[hi] - xOld[lo]))*(yOld[hi] - yOld[lo]);
}
else if (lo == hi)
{
return yOld[lo];
}
else if (lo == n)
{
return yOld[hi];
}
else
{
return yOld[lo];
}
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************ vim: set sw=4 sts=4 et: ************************ //
|