55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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#pragma once
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/*
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* Copyright (C) 2024 Brett Terpstra
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef COSC_4P80_ASSIGNMENT_2_LAYER_H
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#define COSC_4P80_ASSIGNMENT_2_LAYER_H
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#include <Eigen/Dense>
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#include <blt/std/types.h>
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namespace assign2
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{
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class layer_t
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{
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public:
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using matrix_t = Eigen::Matrix<float, Eigen::Dynamic, Eigen::Dynamic>;
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using vector_t = Eigen::Matrix<float, Eigen::Dynamic, 1>;
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layer_t(const blt::i32 in, const blt::i32 out): in_size(in), out_size(out)
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{}
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template<typename ActFunction>
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vector_t forward(const vector_t & in, ActFunction func = ActFunction{})
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{
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vector_t out;
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out.resize(out_size, Eigen::NoChange_t{});
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out.noalias() = weights.transpose() * in;
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out.colwise() += bias;
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return func(out);
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}
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private:
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const blt::i32 in_size, out_size;
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matrix_t weights{};
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vector_t bias{};
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};
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}
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#endif //COSC_4P80_ASSIGNMENT_2_LAYER_H
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