fix compilation warnings

include/curves/curve_abc.h

@@ -69,7 +69,7 @@ namespace curves
       // Serialization of the class
       friend class boost::serialization::access;
       template<class Archive>
-      void serialize(Archive& ar, const unsigned int version){
+      void serialize(Archive& /*ar*/, const unsigned int version){
         if (version) {
         // Do something depending on version ?
         }

python/curves_python.cpp

@@ -538,6 +538,7 @@ namespace curves
       .def("__call__", &bernstein_t::operator())
     ;
     /** END bernstein polynomial**/
+
     /** BEGIN curves conversion**/
     def("polynomial_from_bezier", polynomial_from_curve<polynomial_t,bezier_t>);
     def("polynomial_from_hermite", polynomial_from_curve<polynomial_t,cubic_hermite_spline_t>);

tests/Main.cpp

@@ -1420,7 +1420,7 @@ void piecewiseCurveConversionFromDiscretePointsTest(bool& error)
   double timestep = (T_max-T_min)/double(points.size()-1);
   std::vector<double> time_points;
   for(size_t i=0;i<points.size();++i)
-    time_points.push_back(T_min+i*timestep);
+    time_points.push_back(T_min+double(i)*timestep);
   piecewise_polynomial_curve_t ppc =  piecewise_polynomial_curve_t::
   convert_discrete_points_to_polynomial<polynomial_t>(points,time_points);
   if (!ppc.is_continuous(0))