--- ./LibFoundation/Containment/Wm4ContEllipse2MinCR.cpp.orig 2008-10-31 21:09:27.000000000 +0100 +++ ./LibFoundation/Containment/Wm4ContEllipse2MinCR.cpp 2008-10-31 21:21:10.000000000 +0100 @@ -101,7 +101,9 @@ iYMin = i; } } +#ifdef _DEBUG assert(iXMin != -1 && iYMin != -1); +#endif abUsed[iYMin] = true; // The convex hull is searched in a clockwise manner starting with the