#include <Precision.hxx>
#include <ProjLib.hxx>
-#define MY_LIN static_cast<gp_Lin*>(myImpl)
+#define MY_LIN implPtr<gp_Lin>()
static gp_Lin* newLine(const double theStartX, const double theStartY, const double theStartZ,
const double theEndX, const double theEndY, const double theEndZ)