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#ifndef theplu_yat_utility_univariable_df |
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#define theplu_yat_utility_univariable_df |
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|
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// $Id$ |
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|
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/* |
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Copyright (C) 2022 Peter Johansson |
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|
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This file is part of the yat library, http://dev.thep.lu.se/yat |
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|
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The yat library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License as |
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published by the Free Software Foundation; either version 3 of the |
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License, or (at your option) any later version. |
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|
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The yat library 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 GNU |
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General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with yat. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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|
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namespace theplu { |
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namespace yat { |
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namespace utility { |
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|
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namespace univariable |
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{ |
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template<class FUNC> |
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double df(double x, void* params) |
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{ |
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FUNC* func = static_cast<FUNC*>(params); |
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return func->derivative(x); |
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} |
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|
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template<class FUNC> |
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void fdf(double x, void* params, double* f, double* df) |
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{ |
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FUNC* func = static_cast<FUNC*>(params); |
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*f = (*func)(x); |
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*df = func->derivative(x); |
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} |
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} // end namespace univariable |
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|
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}}} // end namespaces utility, yat and theplu |
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#endif |