Fixes segfault for least squares problems with SPQR
See merge request !489 (merged)
(cherry picked from commit 9a72de2d)
d5eba453 Allow SPQR solver to work with non-square matrices
Fixes segfault for least squares problems with SPQR See merge request !489 (cherry picked from commit 9a72de2d) d5eba453 Allow SPQR solver to work with non-square matrices