refactor: add support for teams to search class

Issue #11

src/kernel/gp/src/search.h

@@ -66,15 +66,16 @@ class basic_search : public ultra::search<ES, E>
 };  // class basic_search
 
 
+template<IndividualOrTeam P = gp::individual>
 class search
 {
 public:
-  using individual_t = gp::individual;
+  using individual_t = P;
   using fitness_t = double;
 
   search(problem &p, metric_flags m = metric_flags::nothing);
 
-  search_stats<individual_t, fitness_t> run(unsigned = 1);
+  search_stats<P, fitness_t> run(unsigned = 1);
 
 private:
   // *** Private data members ***

src/kernel/gp/src/search.tcc

@@ -347,4 +347,25 @@ bool basic_search<ES, E>::is_valid() const
   return ultra::search<ES, E>::is_valid();
 }
 
+template<IndividualOrTeam P>
+search<P>::search(problem &p, metric_flags m) : prob_(p), metrics_(m)
+{
+}
+
+template<IndividualOrTeam P>
+search_stats<P, typename search<P>::fitness_t> search<P>::run(unsigned n)
+{
+  if (prob_.classification())
+  {
+    return {};
+  }
+  else
+  {
+    basic_search<alps_es, rmae_evaluator<P>> reg_search(
+      prob_, rmae_evaluator<P>(prob_.data()), metrics_);
+
+    return reg_search.run(n);
+  }
+}
+
 #endif  // include guard