{hp,sp}trd: reduction to tridiagonal

Collaboration diagram for {hp,sp}trd: reduction to tridiagonal:

Functions
subroutine	chptrd (uplo, n, ap, d, e, tau, info)
	CHPTRD
subroutine	dsptrd (uplo, n, ap, d, e, tau, info)
	DSPTRD
subroutine	ssptrd (uplo, n, ap, d, e, tau, info)
	SSPTRD
subroutine	zhptrd (uplo, n, ap, d, e, tau, info)
	ZHPTRD

Detailed Description