piston.asmt file is running correctly

MbDCode/ASMTTime.cpp

@@ -0,0 +1,23 @@
+#include <cassert>
+
+#include "ASMTTime.h"
+#include "Time.h"
+#include "Constant.h"
+#include "Product.h"
+
+using namespace MbD;
+
+void MbD::ASMTTime::deleteMbD()
+{
+	xx = nullptr;
+	expression = nullptr;
+}
+
+void MbD::ASMTTime::createMbD(std::shared_ptr<System> mbdSys, std::shared_ptr<Units> mbdUnits)
+{
+	auto mbdTime = mbdSys->time;
+	if (xx == mbdTime) return;
+	auto timeScale = std::make_shared<Constant>(mbdUnits->time);
+	auto geoTime = std::make_shared<Product>(timeScale, mbdTime);
+	this->xexpression(mbdTime, geoTime->simplified(geoTime));
+}