LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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Collaboration diagram for double:

Functions

subroutine dgbbrd (vect, m, n, ncc, kl, ku, ab, ldab, d, e, q, ldq, pt, ldpt, c, ldc, work, info)
 DGBBRD
 
subroutine dgbcon (norm, n, kl, ku, ab, ldab, ipiv, anorm, rcond, work, iwork, info)
 DGBCON
 
subroutine dgbequ (m, n, kl, ku, ab, ldab, r, c, rowcnd, colcnd, amax, info)
 DGBEQU
 
subroutine dgbequb (m, n, kl, ku, ab, ldab, r, c, rowcnd, colcnd, amax, info)
 DGBEQUB
 
subroutine dgbrfs (trans, n, kl, ku, nrhs, ab, ldab, afb, ldafb, ipiv, b, ldb, x, ldx, ferr, berr, work, iwork, info)
 DGBRFS
 
subroutine dgbrfsx (trans, equed, n, kl, ku, nrhs, ab, ldab, afb, ldafb, ipiv, r, c, b, ldb, x, ldx, rcond, berr, n_err_bnds, err_bnds_norm, err_bnds_comp, nparams, params, work, iwork, info)
 DGBRFSX
 
subroutine dgbtf2 (m, n, kl, ku, ab, ldab, ipiv, info)
 DGBTF2 computes the LU factorization of a general band matrix using the unblocked version of the algorithm.
 
subroutine dgbtrf (m, n, kl, ku, ab, ldab, ipiv, info)
 DGBTRF
 
subroutine dgbtrs (trans, n, kl, ku, nrhs, ab, ldab, ipiv, b, ldb, info)
 DGBTRS
 
subroutine dggbak (job, side, n, ilo, ihi, lscale, rscale, m, v, ldv, info)
 DGGBAK
 
subroutine dggbal (job, n, a, lda, b, ldb, ilo, ihi, lscale, rscale, work, info)
 DGGBAL
 
subroutine dla_gbamv (trans, m, n, kl, ku, alpha, ab, ldab, x, incx, beta, y, incy)
 DLA_GBAMV performs a matrix-vector operation to calculate error bounds.
 
double precision function dla_gbrcond (trans, n, kl, ku, ab, ldab, afb, ldafb, ipiv, cmode, c, info, work, iwork)
 DLA_GBRCOND estimates the Skeel condition number for a general banded matrix.
 
subroutine dla_gbrfsx_extended (prec_type, trans_type, n, kl, ku, nrhs, ab, ldab, afb, ldafb, ipiv, colequ, c, b, ldb, y, ldy, berr_out, n_norms, err_bnds_norm, err_bnds_comp, res, ayb, dy, y_tail, rcond, ithresh, rthresh, dz_ub, ignore_cwise, info)
 DLA_GBRFSX_EXTENDED improves the computed solution to a system of linear equations for general banded matrices by performing extra-precise iterative refinement and provides error bounds and backward error estimates for the solution.
 
double precision function dla_gbrpvgrw (n, kl, ku, ncols, ab, ldab, afb, ldafb)
 DLA_GBRPVGRW computes the reciprocal pivot growth factor norm(A)/norm(U) for a general banded matrix.
 
subroutine dorgbr (vect, m, n, k, a, lda, tau, work, lwork, info)
 DORGBR
 

Detailed Description

This is the group of double computational functions for GB matrices