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

Functions

subroutine sgbbrd (vect, m, n, ncc, kl, ku, ab, ldab, d, e, q, ldq, pt, ldpt, c, ldc, work, info)
 SGBBRD
 
subroutine sgbcon (norm, n, kl, ku, ab, ldab, ipiv, anorm, rcond, work, iwork, info)
 SGBCON
 
subroutine sgbequ (m, n, kl, ku, ab, ldab, r, c, rowcnd, colcnd, amax, info)
 SGBEQU
 
subroutine sgbequb (m, n, kl, ku, ab, ldab, r, c, rowcnd, colcnd, amax, info)
 SGBEQUB
 
subroutine sgbrfs (trans, n, kl, ku, nrhs, ab, ldab, afb, ldafb, ipiv, b, ldb, x, ldx, ferr, berr, work, iwork, info)
 SGBRFS
 
subroutine sgbrfsx (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)
 SGBRFSX
 
subroutine sgbtf2 (m, n, kl, ku, ab, ldab, ipiv, info)
 SGBTF2 computes the LU factorization of a general band matrix using the unblocked version of the algorithm.
 
subroutine sgbtrf (m, n, kl, ku, ab, ldab, ipiv, info)
 SGBTRF
 
subroutine sgbtrs (trans, n, kl, ku, nrhs, ab, ldab, ipiv, b, ldb, info)
 SGBTRS
 
subroutine sggbak (job, side, n, ilo, ihi, lscale, rscale, m, v, ldv, info)
 SGGBAK
 
subroutine sggbal (job, n, a, lda, b, ldb, ilo, ihi, lscale, rscale, work, info)
 SGGBAL
 
subroutine sla_gbamv (trans, m, n, kl, ku, alpha, ab, ldab, x, incx, beta, y, incy)
 SLA_GBAMV performs a matrix-vector operation to calculate error bounds.
 
real function sla_gbrcond (trans, n, kl, ku, ab, ldab, afb, ldafb, ipiv, cmode, c, info, work, iwork)
 SLA_GBRCOND estimates the Skeel condition number for a general banded matrix.
 
subroutine sla_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)
 SLA_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.
 
real function sla_gbrpvgrw (n, kl, ku, ncols, ab, ldab, afb, ldafb)
 SLA_GBRPVGRW computes the reciprocal pivot growth factor norm(A)/norm(U) for a general banded matrix.
 
subroutine sorgbr (vect, m, n, k, a, lda, tau, work, lwork, info)
 SORGBR
 

Detailed Description

This is the group of real computational functions for GB matrices