add path struct

2020-01-07 23:14:48 -05:00
parent 462ebf7c25
commit c5f87942c9
3 changed files with 39 additions and 7 deletions
--- a/include/tc/core.hpp
+++ b/include/tc/core.hpp
@@ -16,10 +16,26 @@ namespace tc {
        Action(int from_idx, int gen);
    };

+    struct Path {
+        std::vector<Action> path;
+
+        Path() = default;
+
+        Path(const Path &) = default;
+
+        void add_row();
+
+        [[nodiscard]] const Action get(int to_idx) const;
+
+        void put(int from_idx, int gen, int to_idx);
+
+        [[nodiscard]] size_t size() const;
+    };
+
    struct Cosets {
        int ngens;
        std::vector<int> data;
-        std::vector<Action> path;
+        Path path;

        Cosets(const Cosets &) = default;