143 lines
4.7 KiB
C++
143 lines
4.7 KiB
C++
/*
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* <Short Description>
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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 LILFBTF5_SYMBOL_REGRESSION_H
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#define LILFBTF5_SYMBOL_REGRESSION_H
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#include <lilfbtf/tests.h>
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namespace fb
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{
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enum class symbolic_regress_function_t
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{
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ADD, SUB, MUL, DIV, EXP, LOG, SIN, COS, SIZE
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};
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class test_add_function_t : public function_base_t<test_add_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_add_function_t(): function_base_t<test_add_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::ADD, 2)
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{}
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template<typename T>
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constexpr inline static T call(T a, T b)
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{
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return a + b;
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}
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};
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class test_sub_function_t : public function_base_t<test_sub_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_sub_function_t(): function_base_t<test_sub_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::SUB, 2)
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{}
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template<typename T>
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constexpr inline static T call(T a, T b)
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{
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return a - b;
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}
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};
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class test_mul_function_t : public function_base_t<test_mul_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_mul_function_t(): function_base_t<test_mul_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::MUL, 2)
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{}
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template<typename T>
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constexpr inline static T call(T a, T b)
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{
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return a * b;
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}
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};
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class test_div_function_t : public function_base_t<test_div_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_div_function_t(): function_base_t<test_div_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::DIV, 2)
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{}
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template<typename T>
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constexpr inline static T call(T a, T b)
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{
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if (b == 0)
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return 0;
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return a / b;
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}
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};
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class test_exp_function_t : public function_base_t<test_exp_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_exp_function_t(): function_base_t<test_exp_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::EXP, 1)
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{}
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template<typename T>
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constexpr inline static T call(T a)
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{
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return std::exp(a);
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}
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};
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class test_log_function_t : public function_base_t<test_log_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_log_function_t(): function_base_t<test_log_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::LOG, 1)
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{}
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template<typename T>
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constexpr inline static T call(T a)
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{
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if (a == 0)
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return 0;
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return std::log(a);
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}
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};
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class test_sin_function_t : public function_base_t<test_sin_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_sin_function_t(): function_base_t<test_sin_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::SIN, 1)
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{}
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template<typename T>
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constexpr inline static T call(T a)
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{
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return std::sin(a);
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}
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};
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class test_cos_function_t : public function_base_t<test_cos_function_t, symbolic_regress_function_t>
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{
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public:
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constexpr test_cos_function_t(): function_base_t<test_cos_function_t, symbolic_regress_function_t>(symbolic_regress_function_t::COS, 1)
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{}
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template<typename T>
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constexpr inline static T call(T a)
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{
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return std::cos(a);
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}
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};
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}
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#endif //LILFBTF5_SYMBOL_REGRESSION_H
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