Generalized Symmetric/Hermitian eigenvalues

Topics
	sy/hegvx: Solves using QR iteration (expert)
	sy/hegvd: Solves using divide-and-conquer (driver)
	sy/hegvdx: Solves using divide-and-conquer (expert)
	sy/hegvr: Solves using MRRR (driver)
	Auxiliary routines

Detailed Description

Solves \(Ax = \lambda B x\), \(ABx = \lambda x\), or \(BAx = \lambda x\) where \(A, B\) are symmetric/Hermitian and \(B\) is positive definite.