86 lines
3.1 KiB
C++
86 lines
3.1 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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#include "../lib/core.h"
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#include "../lib/algorithm.h"
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using namespace gctl;
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int main(int argc, char const *argv[]) try
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{
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/*
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array<double> a(100000);
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a.random(0, 0.2, RdNormal, 0);
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kde k(0.02, a);
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array<double> x;
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linespace(-1.0, 1.0, 201, x);
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gaussian_para1d g1(0, 0.2);
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for (size_t i = 0; i < x.size(); i++)
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{
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std::cout << x[i] << " "
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<< gaussian_dist1d(x[i], g1) << " "
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<< k.get_density_at(x[i]) << " "
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<< k.get_density_at(x[i], KDE_Epanechnikov) << " "
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<< k.get_density_at(x[i], KDE_Rectangular) << " "
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<< k.get_density_at(x[i], KDE_Triangular) << "\n";
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}
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*/
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array<double> a(100000), b(100000);
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a.random(0, 0.2, RdNormal, 0);
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b.random(1, 0.2, RdNormal, 0);
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kde2d k(0.02, a, b);
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array<double> x, y;
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linespace(-1.0, 1.0, 201, x);
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linespace(0.0, 2.0, 201, y);
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gaussian_para2d g1(0, 1, 0.2, 0.2, 0);
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double t, sum = 0;
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for (size_t i = 0; i < y.size(); i++)
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{
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for (size_t j = 0; j < x.size(); j++)
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{
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t = k.get_density_at(x[j], y[i]);
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sum += t*0.01*0.01;
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std::cout << x[j] << " " << y[i] << " "
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<< gaussian_dist2d(x[j], y[i], g1) << " "
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<< t << "\n";
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}
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}
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std::clog << "sum = " << sum << "\n";
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return 0;
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}
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catch(std::exception &e)
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{
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GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
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}
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