53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
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/*
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Copyright 2010 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_BUILDUNIFORMMONOTONETABLE_HEADER_INCLUDED
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#define OPM_BUILDUNIFORMMONOTONETABLE_HEADER_INCLUDED
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#include <dune/common/MonotCubicInterpolator.hpp>
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#include <dune/porsol/common/UniformTableLinear.hpp>
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namespace Dune {
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namespace utils {
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template <typename T>
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void buildUniformMonotoneTable(const std::vector<double>& xv,
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const std::vector<T>& yv,
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const int samples,
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UniformTableLinear<T>& table)
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{
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MonotCubicInterpolator interp(xv, yv);
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std::vector<T> uniform_yv(samples);
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double xmin = xv[0];
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double xmax = xv.back();
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for (int i = 0; i < samples; ++i) {
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double w = double(i)/double(samples - 1);
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double x = (1.0 - w)*xmin + w*xmax;
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uniform_yv[i] = interp(x);
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}
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table = UniformTableLinear<T>(xmin, xmax, uniform_yv);
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}
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} // namespace utils
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} // namespace Dune
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#endif // OPM_BUILDUNIFORMMONOTONETABLE_HEADER_INCLUDED
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