[Python] Expose setter method for inertia

src/python/inertia.hpp

@@ -83,6 +83,10 @@ namespace se3
         .def("se3Action",&Inertia_fx::se3Action)
         .def("se3ActionInverse",&Inertia_fx::se3ActionInverse)
         
+        .def("setIdentity",&Inertia_fx::setIdentity)
+        .def("setZero",&Inertia_fx::setZero)
+        .def("setRandom",&Inertia_fx::setRandom)
+        
         .def("__str__",&InertiaPythonVisitor::toString)
         .def( bp::self + bp::self)
         .def( bp::self * bp::other<Motion_fx>() )

src/spatial/symmetric3.hpp

@@ -73,7 +73,7 @@ namespace se3
     }
     
     static Symmetric3Tpl Identity() { return Symmetric3Tpl(1, 0, 1, 0, 0, 1);  }
-    void setIndentity() { data_ << 1, 0, 1, 0, 0, 1; }
+    void setIdentity() { data_ << 1, 0, 1, 0, 0, 1; }
 
     /* Requiered by Inertia::operator== */
     bool operator== (const Symmetric3Tpl & S2 ) const { return data_ == S2.data_; }