91 lines
4.0 KiB
C++
91 lines
4.0 KiB
C++
|
/********************************************************
|
||
|
|
* ██████╗ ██████╗████████╗██╗
|
||
|
|
* ██╔════╝ ██╔════╝╚══██╔══╝██║
|
||
|
|
* ██║ ███╗██║ ██║ ██║
|
||
|
|
* ██║ ██║██║ ██║ ██║
|
||
|
|
* ╚██████╔╝╚██████╗ ██║ ███████╗
|
||
|
|
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
|
||
|
|
* 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.
|
||
|
|
******************************************************/
|
||
|
|
|
||
|
|
#include "emd.h"
|
||
|
|
|
||
|
|
#ifdef GCTL_EEMD
|
||
|
|
|
||
|
|
void libeemd_err_hander(libeemd_error_code err_code)
|
||
|
|
{
|
||
|
|
if (err_code != EMD_SUCCESS)
|
||
|
|
{
|
||
|
|
switch (err_code)
|
||
|
|
{
|
||
|
|
case EMD_INVALID_ENSEMBLE_SIZE :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Invalid ensemble size (zero or negative)");
|
||
|
|
break;
|
||
|
|
case EMD_INVALID_NOISE_STRENGTH :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Invalid noise strength (negative)");
|
||
|
|
break;
|
||
|
|
case EMD_NOISE_ADDED_TO_EMD :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Positive noise strength but ensemble size is one (regular EMD)");
|
||
|
|
break;
|
||
|
|
case EMD_NO_NOISE_ADDED_TO_EEMD :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Ensemble size is more than one (EEMD) but noise strength is zero");
|
||
|
|
break;
|
||
|
|
case EMD_NO_CONVERGENCE_POSSIBLE :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Stopping criteria invalid: would never converge");
|
||
|
|
break;
|
||
|
|
case EMD_NOT_ENOUGH_POINTS_FOR_SPLINE :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Spline evaluation tried with insufficient points");
|
||
|
|
break;
|
||
|
|
case EMD_INVALID_SPLINE_POINTS :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Spline evaluation points invalid");
|
||
|
|
break;
|
||
|
|
case EMD_GSL_ERROR :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Error reported by GSL library");
|
||
|
|
break;
|
||
|
|
default :
|
||
|
|
throw std::runtime_error("[GCTL] gathered from [libeemd] Error code with unknown meaning. Please file a bug!");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
void gctl::eemd1d(const array<double> &in, matrix<double> &out, size_t M,
|
||
|
|
unsigned int ensemble_size, double noise_strength, unsigned int S_number,
|
||
|
|
unsigned int num_siftings, unsigned long int rng_seed)
|
||
|
|
{
|
||
|
|
if (M == 0) M = emd_num_imfs(in.size());
|
||
|
|
out.resize(M, in.size());
|
||
|
|
|
||
|
|
libeemd_err_hander(eemd(in.get(), in.size(), out.get(), M, ensemble_size, noise_strength, S_number, num_siftings, rng_seed));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
void gctl::ceemdan1d(const array<double> &in, matrix<double> &out, size_t M,
|
||
|
|
unsigned int ensemble_size, double noise_strength, unsigned int S_number,
|
||
|
|
unsigned int num_siftings, unsigned long int rng_seed)
|
||
|
|
{
|
||
|
|
if (M == 0) M = emd_num_imfs(in.size());
|
||
|
|
out.resize(M, in.size());
|
||
|
|
|
||
|
|
libeemd_err_hander(ceemdan(in.get(), in.size(), out.get(), M, ensemble_size, noise_strength, S_number, num_siftings, rng_seed));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // GCTL_EEMD
|