#include <math_FunctionSetRoot.hxx>
#include <Precision.hxx>
-#define Debug(expr) cout<<" expr :"<<expr;
+#define Debug(expr) std::cout<<" expr :"<<expr;
#define MySurf1 MyIntersectionOn2S.Function().AuxillarSurface1()
#define MySurf2 MyIntersectionOn2S.Function().AuxillarSurface2()