double

Collaboration diagram for double:

Functions
subroutine	dptcon (n, d, e, anorm, rcond, work, info)
	DPTCON
subroutine	dpteqr (compz, n, d, e, z, ldz, work, info)
	DPTEQR
subroutine	dptrfs (n, nrhs, d, e, df, ef, b, ldb, x, ldx, ferr, berr, work, info)
	DPTRFS
subroutine	dpttrf (n, d, e, info)
	DPTTRF
subroutine	dpttrs (n, nrhs, d, e, b, ldb, info)
	DPTTRS
subroutine	dptts2 (n, nrhs, d, e, b, ldb)
	DPTTS2 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 double computational functions for PT matrices