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

Functions

subroutine cgtcon (NORM, N, DL, D, DU, DU2, IPIV, ANORM, RCOND, WORK, INFO)
 CGTCON More...
 
subroutine cgtrfs (TRANS, N, NRHS, DL, D, DU, DLF, DF, DUF, DU2, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, RWORK, INFO)
 CGTRFS More...
 
subroutine cgttrf (N, DL, D, DU, DU2, IPIV, INFO)
 CGTTRF More...
 
subroutine cgttrs (TRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB, INFO)
 CGTTRS More...
 
subroutine cgtts2 (ITRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB)
 CGTTS2 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 complex computational functions for GT matrices

clacn2
subroutine clacn2(N, V, X, EST, KASE, ISAVE)
CLACN2 estimates the 1-norm of a square matrix, using reverse communication for evaluating matrix-vec...
Definition: clacn2.f:135
clagtm
subroutine clagtm(TRANS, N, NRHS, ALPHA, DL, D, DU, X, LDX, BETA, B, LDB)
CLAGTM performs a matrix-matrix product of the form C = αAB+βC, where A is a tridiagonal matrix,...
Definition: clagtm.f:147
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
slamch
real function slamch(CMACH)
SLAMCH
Definition: slamch.f:70
cgtts2
subroutine cgtts2(ITRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB)
CGTTS2 solves a system of linear equations with a tridiagonal matrix using the LU factorization compu...
Definition: cgtts2.f:130
ccopy
subroutine ccopy(N, CX, INCX, CY, INCY)
CCOPY
Definition: ccopy.f:83
ilaenv
integer function ilaenv(ISPEC, NAME, OPTS, N1, N2, N3, N4)
ILAENV
Definition: tstiee.f:83
caxpy
subroutine caxpy(N, CA, CX, INCX, CY, INCY)
CAXPY
Definition: caxpy.f:90
cgttrs
subroutine cgttrs(TRANS, N, NRHS, DL, D, DU, DU2, IPIV, B, LDB, INFO)
CGTTRS
Definition: cgttrs.f:140