Collaboration diagram for Eig computational routines:

Modules
	gebal: balance matrix

	gehrd: reduction to Hessenberg

	gehd2: reduction to Hessenberg, level 2

	lahr2: step in gehrd

	{un,or}ghr: generate Q from gehrd

	{un,or}mhr: multiply by Q from gehrd

	gebak: back-transform eigvec

	hseqr: Hessenberg eig, QR iteration

	hsein: Hessenberg inverse iteration for eigvec

	trevc: eigenvectors of triangular Schur form, old

	trevc3: eigenvectors of triangular Schur form, blocked

	laln2: 1x1 or 2x2 solve, step in trevc

	trsyl: Sylvester equation

	trsyl3: Sylvester equation, level 3

	lasy2: Sylvester equation

	trsna: eig condition numbers

	laqtr: quasi-triangular solve

	trexc: reorder Schur form

	trsen: reorder Schur form

	laexc: reorder Schur form

	lanv2: 2x2 Schur factor

	— hseqr auxiliary —

	laein: eigvec by Hessenberg inverse iteration

	lahqr: eig of Hessenberg, step in hseqr

	laqr0: eig of Hessenberg, step in hseqr

	laqr1: step in hseqr

	laqr2: step in hseqr

	laqr3: step in hseqr

	laqr4: eig of Hessenberg, step in hseqr

	laqr5: step in hseqr

	iparmq: set parameters for hseqr

	— ggev3, gges3 auxiliary —

	laqz0: step in ggev3, gges3

	laqz1: step in ggev3, gges3

	laqz2: step in ggev3, gges3

	laqz3: step in ggev3, gges3

	laqz4: step in ggev3, gges3

Modules

Detailed Description