{he,sy}evd: eig, divide and conquer

Functions
subroutine	cheevd (jobz, uplo, n, a, lda, w, work, lwork, rwork, lrwork, iwork, liwork, info)
	CHEEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for HE matrices
subroutine	dsyevd (jobz, uplo, n, a, lda, w, work, lwork, iwork, liwork, info)
	DSYEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for SY matrices
subroutine	ssyevd (jobz, uplo, n, a, lda, w, work, lwork, iwork, liwork, info)
	SSYEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for SY matrices
subroutine	zheevd (jobz, uplo, n, a, lda, w, work, lwork, rwork, lrwork, iwork, liwork, info)
	ZHEEVD computes the eigenvalues and, optionally, the left and/or right eigenvectors for HE matrices

Detailed Description