gctl_ai/lib/dnn/activation_softmax.h
2024-09-10 20:15:33 +08:00

49 lines
2.2 KiB
C++

/********************************************************
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* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* Geophysical Computational Tools & Library (GCTL)
*
* Copyright (c) 2022 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.
******************************************************/
#ifndef _GCTL_ACTIVATION_SOFTMAX_H
#define _GCTL_ACTIVATION_SOFTMAX_H
#include "activation.h"
namespace gctl
{
class softmax : public dnn_activation
{
public:
softmax();
virtual ~softmax();
void activate(const matrix<double> &z, matrix<double> &a);
void apply_jacobian(const matrix<double> &z, const matrix<double> &a,
const matrix<double> &f, matrix<double> &g);
std::string activation_name() const;
activation_type_e activation_type() const;
};
}
#endif // _GCTL_ACTIVATION_SOFTMAX_H