julia

015eec09 - Don't throw in eigs on semidefinite Bs for generalized eigenproblems. (#17873)

Don't throw in eigs on semidefinite Bs for generalized eigenproblems. (#17873) This makes it possible to solve problems with semidefinite B via explicit shift. (cherry picked from commit f95b8b12b128b1ed7de876f9a456d4dff4ec79db)