LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions
complex16
LAPACK » General tridiagonal Matrix » Computational routines
Collaboration diagram for complex16:

Functions

subroutine zgtcon (NORM, N, DL, D, DU, DU2, IPIV, ANORM, RCOND, WORK, INFO)
 ZGTCON More...
 
subroutine zgtrfs (TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF, DU2, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, RWORK, INFO)
 ZGTRFS More...
 
subroutine zgttrf (N, DL, D, DU, DU2, IPIV, INFO)
 ZGTTRF More...
 
subroutine zgttrs (TRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB, INFO)
 ZGTTRS More...
 
subroutine zgtts2 (ITRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB)
 ZGTTS2 solves a system of linear equations with a tridiagonal matrix using the LU factorization computed by sgttrf. More...
 

Detailed Description

This is the group of complex16 computational functions for GT matrices

zaxpy
subroutine zaxpy(N, ZA, ZX, INCX, ZY, INCY)
ZAXPY
Definition: zaxpy.f:90
zgtts2
subroutine zgtts2(ITRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB)
ZGTTS2 solves a system of linear equations with a tridiagonal matrix using the LU factorization compu...
Definition: zgtts2.f:130
zlacn2
subroutine zlacn2(N, V, X, EST, KASE, ISAVE)
ZLACN2 estimates the 1-norm of a square matrix, using reverse communication for evaluating matrix-vec...
Definition: zlacn2.f:135
zcopy
subroutine zcopy(N, ZX, INCX, ZY, INCY)
ZCOPY
Definition: zcopy.f:83
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
zlagtm
subroutine zlagtm(TRANS, N, NRHS, ALPHA, DL, D, DU, X, LDX, BETA, B, LDB)
ZLAGTM performs a matrix-matrix product of the form C = αAB+βC, where A is a tridiagonal matrix,...
Definition: zlagtm.f:147
ilaenv
integer function ilaenv(ISPEC, NAME, OPTS, N1, N2, N3, N4)
ILAENV
Definition: tstiee.f:83
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70
zgttrs
subroutine zgttrs(TRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB, INFO)
ZGTTRS
Definition: zgttrs.f:140