Test surface normals
While implementing the test the following bugs were found and fixed:
- One wrongly oriented edge in Quad8.
- Incomplete implementation of surface unit normal computation for 1D elements.
- Wrong determination whether a point is contained in a line segment.
The tests are done using reference elements. In the future they can be extended to rotated, scaled and translated elements.
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Feature description was added to the changelog -
Tests covering your feature were added?