1 files changed, 6 insertions, 4 deletions
diff --git a/src/engine/Problem.hpp b/src/engine/Problem.hpp
index a5fe853..7d96250 100644
--- a/src/engine/Problem.hpp
+++ b/src/engine/Problem.hpp
@@ -29,10 +29,12 @@ namespace Machina {
 
 class Problem : public Eugene::Problem<Machine> {
 public:
-	Problem(TimeUnit unit, const std::string& target_midi, SharedPtr<Machine> seed = SharedPtr<Machine>());
+	Problem(TimeUnit           unit,
+	        const std::string& target_midi,
+	        SPtr<Machine>      seed = SPtr<Machine>());
 	virtual ~Problem() {}
 
-	void seed(SharedPtr<Machine> parent) { _seed = parent; }
+	void seed(SPtr<Machine> parent) { _seed = parent; }
 
 	float fitness(const Machine& machine) const;
 
@@ -109,8 +111,8 @@ private:
 
 	TimeUnit           _unit;
 
-	Evaluator          _target;
-	SharedPtr<Machine> _seed;
+	Evaluator     _target;
+	SPtr<Machine> _seed;
 
 	/// for levenshtein distance
 	mutable std::vector< std::vector<uint16_t> > _matrix;