LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Collaboration diagram for double:

Functions

subroutine dptcon (N, D, E, ANORM, RCOND, WORK, INFO)
 DPTCON More...
 
subroutine dpteqr (COMPZ, N, D, E, Z, LDZ, WORK, INFO)
 DPTEQR More...
 
subroutine dptrfs (N, NRHS, D, E, DF, EF, B, LDB, X, LDX, FERR, BERR, WORK, INFO)
 DPTRFS More...
 
subroutine dpttrf (N, D, E, INFO)
 DPTTRF More...
 
subroutine dpttrs (N, NRHS, D, E, B, LDB, INFO)
 DPTTRS More...
 
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. More...
 

Detailed Description

This is the group of double computational functions for PT matrices

idamax
integer function idamax(N, DX, INCX)
IDAMAX
Definition: idamax.f:73
dpttrf
subroutine dpttrf(N, D, E, INFO)
DPTTRF
Definition: dpttrf.f:93
dpttrs
subroutine dpttrs(N, NRHS, D, E, B, LDB, INFO)
DPTTRS
Definition: dpttrs.f:111
dptts2
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...
Definition: dptts2.f:104
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
dbdsqr
subroutine dbdsqr(UPLO, N, NCVT, NRU, NCC, D, E, VT, LDVT, U, LDU, C, LDC, WORK, INFO)
DBDSQR
Definition: dbdsqr.f:243
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
ilaenv
integer function ilaenv(ISPEC, NAME, OPTS, N1, N2, N3, N4)
ILAENV
Definition: tstiee.f:83
dlaset
subroutine dlaset(UPLO, M, N, ALPHA, BETA, A, LDA)
DLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values.
Definition: dlaset.f:112
dscal
subroutine dscal(N, DA, DX, INCX)
DSCAL
Definition: dscal.f:81
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70
daxpy
subroutine daxpy(N, DA, DX, INCX, DY, INCY)
DAXPY
Definition: daxpy.f:91