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blt-gp
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working on main is bad

main
Brett 2024-09-06 12:40:08 -04:00
parent 8b0b0dbefa
commit 2b1f1c92ab
5 changed files with 15 additions and 8 deletions
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2
CMakeLists.txt
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@ -1,5 +1,5 @@
cmake_minimum_required(VERSION 3.25) cmake_minimum_required(VERSION 3.25)
project(blt-gp VERSION 0.1.50) project(blt-gp VERSION 0.1.51)
include(CTest) include(CTest)

2
examples/symbolic_regression.cpp
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@ -90,8 +90,6 @@ float example_function(float x)
return x * x * x * x + x * x * x + x * x + x; return x * x * x * x + x * x * x + x * x + x;
} }
BLT_MAKE_CONFIG_TYPE(test, BLT_MAKE_GETTER_AND_SETTER(int, silly) BLT_MAKE_GETTER(int, billy));
int main() int main()
{ {
test t; test t;

7
include/blt/gp/transformers.h
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@ -57,6 +57,10 @@ namespace blt::gp
class crossover_t class crossover_t
{ {
public: public:
struct point_info_t
{
type_id return_type;
};
struct crossover_point_t struct crossover_point_t
{ {
blt::ptrdiff_t p1_crossover_point; blt::ptrdiff_t p1_crossover_point;
@ -78,7 +82,8 @@ namespace blt::gp
{} {}
std::optional<crossover_t::crossover_point_t> get_crossover_point(gp_program& program, const tree_t& c1, const tree_t& c2) const; std::optional<crossover_t::crossover_point_t> get_crossover_point(gp_program& program, const tree_t& c1, const tree_t& c2) const;
std::optional<blt::ptrdiff_t> find_place_of_type(gp_program& program, const tree_t& t, type_id type) const;
static std::optional<blt::ptrdiff_t> find_place_of_type(gp_program& program, const tree_t& t, type_id type);
/** /**
* child1 and child2 are copies of the parents, the result of selecting a crossover point and performing standard subtree crossover. * child1 and child2 are copies of the parents, the result of selecting a crossover point and performing standard subtree crossover.

2
lib/blt

@ -1 +1 @@
Subproject commit 7410dfe0ff6196e77856a79b4c92b05a90e35880 Subproject commit 56a3c2f836a37258290c2cc43b52df18249b1c0c

8
src/transformers.cpp
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@ -211,9 +211,13 @@ namespace blt::gp
return crossover_point_t{static_cast<blt::ptrdiff_t>(crossover_point), static_cast<blt::ptrdiff_t>(attempted_point)}; return crossover_point_t{static_cast<blt::ptrdiff_t>(crossover_point), static_cast<blt::ptrdiff_t>(attempted_point)};
} }
std::optional<blt::ptrdiff_t> crossover_t::find_place_of_type(gp_program& program, const tree_t& t, type_id type) const std::optional<blt::ptrdiff_t> crossover_t::find_place_of_type(gp_program& program, const tree_t& t, type_id type)
{ {
return std::optional<blt::ptrdiff_t>(); auto attempted_point = program.get_random().get_size_t(1ul, t.get_operations().size());
auto& attempted_point_type = program.get_operator_info(t.get_operations()[attempted_point].id);
if (type == attempted_point_type.return_type)
return {attempted_point};
return {};
} }
bool mutation_t::apply(gp_program& program, const tree_t&, tree_t& c) bool mutation_t::apply(gp_program& program, const tree_t&, tree_t& c)