61 lines
2.5 KiB
C
61 lines
2.5 KiB
C
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/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2023 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#ifndef _GCTL_MULTINARY_H
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#define _GCTL_MULTINARY_H
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#include "../core/array.h"
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namespace gctl
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{
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class multinary
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{
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public:
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multinary();
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multinary(double mini, double maxi, double std, unsigned int num);
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multinary(const array<double> &xs, const array<double> &stds);
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virtual ~multinary();
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void init(double mini, double maxi, double std, unsigned int num);
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void init(const array<double> &xs, const array<double> &stds);
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double val(double x) const;
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double der(double x) const;
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private:
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double Pm_(double x) const;
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double Pm_grad_(double x) const;
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unsigned int pnum_;
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double of_;
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array<double> mp_;
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array<double> std_;
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array<double> ys_;
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};
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}
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#endif // _GCTL_MULTINARY_H
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