Add Matrix.h to cellmetrics include
This file was using the Matrix class but not including Matrix.h. When I tried to use the MeshQuality filter in an example that did not include Matrix.h on its own, I got a compile error.
This file was using the Matrix class but not including Matrix.h. When I tried to use the MeshQuality filter in an example that did not include Matrix.h on its own, I got a compile error.