2 files changed, 6 insertions, 5 deletions
diff --git a/misc/optvec.hpp b/misc/optvec.hpp
index d950c5f..2e8ecb2 100644
--- a/misc/optvec.hpp
+++ b/misc/optvec.hpp
@@ -13,8 +13,8 @@ namespace opt_utilities
   public:
     optvec()
     {}
-
-    optvec(size_t s)
+    
+    explicit optvec(size_t s)
       :std::vector<T>(s)
     {}
 
diff --git a/statistics/chisq.hpp b/statistics/chisq.hpp
index f9c2c22..339ab6f 100644
--- a/statistics/chisq.hpp
+++ b/statistics/chisq.hpp
@@ -208,9 +208,9 @@ namespace opt_utilities
   };
 #endif
 
-  template<typename T,typename Tp,typename Ts,typename Tstr>
-  class chisq
-    :public statistic<optvec<T>,optvec<T>,Tp,Ts,Tstr>
+  template<typename T,typename Ts,typename Tstr>
+  class chisq<optvec<T>,optvec<T>,optvec<T>,Ts,Tstr>
+    :public statistic<optvec<T>,optvec<T>,optvec<T>,Ts,Tstr>
   {
   private:
     bool verb;
@@ -218,6 +218,7 @@ namespace opt_utilities
     
     typedef optvec<T> Tx;
     typedef optvec<T> Ty;
+    typedef optvec<T> Tp;
     statistic<Ty,Tx,Tp,Ts,Tstr>* do_clone()const
     {
       // return const_cast<statistic<Ty,Tx,Tp>*>(this);