added static identity function to matrix33

2016-03-21 15:16:50 +00:00 · 2016-03-21 15:16:50 +00:00 · bef4835ca2
parent 7b89a1f125
commit bef4835ca2
1 changed files with 6 additions and 0 deletions
--- a/vcg/math/matrix33.h
+++ b/vcg/math/matrix33.h
@ -82,6 +82,12 @@ public:
          (*this)[i][j]=m(i,j);
    }

+    static inline const Matrix33 &Identity( )
+    {
+        static Matrix33<S> tmp; tmp.SetIdentity();
+        return tmp;
+    }
+
    ///	Number of columns
    inline unsigned int ColumnsNumber() const
    {