70 lines
2.2 KiB
C++
70 lines
2.2 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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#include <blt/gp/program.h>
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#include <blt/gp/generators.h>
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#include <blt/gp/tree.h>
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#include <blt/std/logging.h>
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static constexpr long SEED = 41912;
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blt::gp::type_provider type_system;
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blt::gp::gp_program program(type_system, SEED); // NOLINT
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blt::gp::operation_t add([](float a, float b) {
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BLT_TRACE("a: %f + b: %f = %f", a, b, a + b);
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return a + b;
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});
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blt::gp::operation_t sub([](float a, float b) {
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BLT_TRACE("a: %f - b: %f = %f", a, b, a - b);
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return a - b;
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});
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blt::gp::operation_t mul([](float a, float b) {
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BLT_TRACE("a: %f * b: %f = %f", a, b, a * b);
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return a * b;
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});
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blt::gp::operation_t pro_div([](float a, float b) {
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BLT_TRACE("a: %f / b: %f = %f", a, b, (b == 0 ? 0.0f : a / b));
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return b == 0 ? 0.0f : a / b;
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});
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auto lit = blt::gp::operation_t([]() {
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//static std::uniform_real_distribution<float> dist(-32000, 32000);
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// static std::uniform_real_distribution<float> dist(0.0f, 10.0f);
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return program.get_random().get_float(0.0f, 10.0f);
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}).set_ephemeral();
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/**
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* This is a test using a type with blt::gp
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*/
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int main()
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{
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type_system.register_type<float>();
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blt::gp::operator_builder silly{type_system};
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program.set_operations(silly.build(add, sub, mul, pro_div, lit));
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blt::gp::grow_generator_t grow;
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auto tree = grow.generate(blt::gp::generator_arguments{program, type_system.get_type<float>().id(), 3, 7});
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auto value = tree.get_evaluation_value<float>(nullptr, program.get_eval_func());
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BLT_TRACE(value);
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return 0;
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} |