restrictive filtering.
Stored filter sub-string comparison with new string failed because of non-matching register of compared strings. Transforming the new search term to uppercase before comparing it with previous one allows to determine if filter became more or less restrictive and not to restart the search over.
Used patch provided by Satomi Ahn.
dependencies or architecture on the build machines? Trying updating expected float values to see if it begins to pass.
Updated expected values to match result of query on WolframAlpha.com (mathematica):
N[Orthogonalize[{{1,4,3},{1,2,0},{2,4,2}}],8]