LAPACK
3.10.1
LAPACK: Linear Algebra PACKage

Functions  
subroutine  dgbbrd (VECT, M, N, NCC, KL, KU, AB, LDAB, D, E, Q, LDQ, PT, LDPT, C, LDC, WORK, INFO) 
DGBBRD More...  
subroutine  dgbcon (NORM, N, KL, KU, AB, LDAB, IPIV, ANORM, RCOND, WORK, IWORK, INFO) 
DGBCON More...  
subroutine  dgbequ (M, N, KL, KU, AB, LDAB, R, C, ROWCND, COLCND, AMAX, INFO) 
DGBEQU More...  
subroutine  dgbequb (M, N, KL, KU, AB, LDAB, R, C, ROWCND, COLCND, AMAX, INFO) 
DGBEQUB More...  
subroutine  dgbrfs (TRANS, N, KL, KU, NRHS, AB, LDAB, AFB, LDAFB, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) 
DGBRFS More...  
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 More...  
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. More...  
subroutine  dgbtrf (M, N, KL, KU, AB, LDAB, IPIV, INFO) 
DGBTRF More...  
subroutine  dgbtrs (TRANS, N, KL, KU, NRHS, AB, LDAB, IPIV, B, LDB, INFO) 
DGBTRS More...  
subroutine  dggbak (JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, LDV, INFO) 
DGGBAK More...  
subroutine  dggbal (JOB, N, A, LDA, B, LDB, ILO, IHI, LSCALE, RSCALE, WORK, INFO) 
DGGBAL More...  
subroutine  dla_gbamv (TRANS, M, N, KL, KU, ALPHA, AB, LDAB, X, INCX, BETA, Y, INCY) 
DLA_GBAMV performs a matrixvector operation to calculate error bounds. More...  
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. More...  
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 extraprecise iterative refinement and provides error bounds and backward error estimates for the solution. More...  
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. More...  
subroutine  dorgbr (VECT, M, N, K, A, LDA, TAU, WORK, LWORK, INFO) 
DORGBR More...  
This is the group of double computational functions for GB matrices