Collaboration diagram for real:

Functions
subroutine	sptcon (N, D, E, ANORM, RCOND, WORK, INFO)
	SPTCON More...

subroutine	spteqr (COMPZ, N, D, E, Z, LDZ, WORK, INFO)
	SPTEQR More...

subroutine	sptrfs (N, NRHS, D, E, DF, EF, B, LDB, X, LDX, FERR, BERR, WORK, INFO)
	SPTRFS More...

subroutine	spttrs (N, NRHS, D, E, B, LDB, INFO)
	SPTTRS More...

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. More...

Detailed Description

This is the group of real computational functions for PT matrices

Functions