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张壹 2025-07-18 12:17:13 +08:00
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src/extra/use_eigen_ex.cpp Normal file
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/********************************************************
* ██████╗ ██████╗████████╗██╗
* ██╔════╝ ██╔════╝╚══██╔══╝██║
* ██║ ███╗██║ ██║ ██║
* ██║ ██║██║ ██║ ██║
* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* Geophysical Computational Tools & Library (GCTL)
*
* Copyright (c) 2023 Yi Zhang (yizhang-geo@zju.edu.cn)
*
* GCTL is distributed under a dual licensing scheme. You can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 2
* of the License, or (at your option) any later version. You should have
* received a copy of the GNU Lesser General Public License along with this
* program. If not, see <http://www.gnu.org/licenses/>.
*
* If the terms and conditions of the LGPL v.2. would prevent you from using
* the GCTL, please consider the option to obtain a commercial license for a
* fee. These licenses are offered by the GCTL's original author. As a rule,
* licenses are provided "as-is", unlimited in time for a one time fee. Please
* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
* to include some description of your company and the realm of its activities.
* Also add information on how to contact you by electronic and paper mail.
******************************************************/
// Declare the marco to enable eigen wrappers before include the head file.
// To compile the code, use: g++ use_eigen_ex.cpp -I<path-to-eigen3>
#define GCTL_USE_EIGEN3
#include "gctl/core/eigen_wrapper.h"
using namespace gctl;
int main(int argc, char const *argv[])
{
_1d_array a(10, 1, 0.5);
a.show();
Eigen::VectorXd b;
array2VectorXType(a, b);
std::cout << b << "\n";
std::cout << b.mean() << "\n";
b.setRandom();
_1d_array c;
VectorXType2array(b, c);
c.show();
return 0;
}