latrd: step in hetrd

Collaboration diagram for latrd: step in hetrd:

Functions
subroutine	clatrd (uplo, n, nb, a, lda, e, tau, w, ldw)
	CLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an unitary similarity transformation.
subroutine	dlatrd (uplo, n, nb, a, lda, e, tau, w, ldw)
	DLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an orthogonal similarity transformation.
subroutine	slatrd (uplo, n, nb, a, lda, e, tau, w, ldw)
	SLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an orthogonal similarity transformation.
subroutine	zlatrd (uplo, n, nb, a, lda, e, tau, w, ldw)
	ZLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an unitary similarity transformation.

Detailed Description