real

Collaboration diagram for real:

Functions
subroutine	sptcon (n, d, e, anorm, rcond, work, info)
	SPTCON
subroutine	spteqr (compz, n, d, e, z, ldz, work, info)
	SPTEQR
subroutine	sptrfs (n, nrhs, d, e, df, ef, b, ldb, x, ldx, ferr, berr, work, info)
	SPTRFS
subroutine	spttrs (n, nrhs, d, e, b, ldb, info)
	SPTTRS
subroutine	sptts2 (n, nrhs, d, e, b, ldb)
	SPTTS2 solves a tridiagonal system of the form AX=B using the L D LH factorization computed by spttrf.

Detailed Description

This is the group of real computational functions for PT matrices