{hb,sb}ev: eig, QR iteration

Functions
subroutine	chbev (jobz, uplo, n, kd, ab, ldab, w, z, ldz, work, rwork, info)
	CHBEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices
subroutine	dsbev (jobz, uplo, n, kd, ab, ldab, w, z, ldz, work, info)
	DSBEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices
subroutine	ssbev (jobz, uplo, n, kd, ab, ldab, w, z, ldz, work, info)
	SSBEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices
subroutine	zhbev (jobz, uplo, n, kd, ab, ldab, w, z, ldz, work, rwork, info)
	ZHBEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for OTHER matrices

Detailed Description