-#ifndef __VECTORSOLUTIONS_H__
-#define __VECTORSOLUTIONS_H__
+#ifndef ____VECTORSOLUTIONS_H____
+#define ____VECTORSOLUTIONS_H____
#include <iostream> // Needed for 'friend ostream' below
#include "vector.h"
bool tangent;
};
-#endif // __VECTORSOLUTIONS_H__
+#endif // __VECTORSOLUTIONS_H____