runPosIC, initializeGlobally

MbDCode/IndependentVariable.cpp

@@ -1,7 +1,18 @@
 #include "IndependentVariable.h"
+#include "Constant.h"
 
 using namespace MbD;
 
 MbD::IndependentVariable::IndependentVariable()
 {
 }
+
+Symsptr MbD::IndependentVariable::differentiateWRT(Symsptr sptr, Symsptr var)
+{
+	if (this == var.get()) {
+		return std::make_shared<Constant>(1.0);
+	}
+	else {
+		return std::make_shared<Constant>(0.0);
+	}
+}