LAPACK
3.6.1
LAPACK: Linear Algebra PACKage

Functions  
subroutine  sgbbrd (VECT, M, N, NCC, KL, KU, AB, LDAB, D, E, Q, LDQ, PT, LDPT, C, LDC, WORK, INFO) 
SGBBRD More...  
subroutine  sgbcon (NORM, N, KL, KU, AB, LDAB, IPIV, ANORM, RCOND, WORK, IWORK, INFO) 
SGBCON More...  
subroutine  sgbequ (M, N, KL, KU, AB, LDAB, R, C, ROWCND, COLCND, AMAX, INFO) 
SGBEQU More...  
subroutine  sgbequb (M, N, KL, KU, AB, LDAB, R, C, ROWCND, COLCND, AMAX, INFO) 
SGBEQUB More...  
subroutine  sgbrfs (TRANS, N, KL, KU, NRHS, AB, LDAB, AFB, LDAFB, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO) 
SGBRFS More...  
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 More...  
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. More...  
subroutine  sgbtrf (M, N, KL, KU, AB, LDAB, IPIV, INFO) 
SGBTRF More...  
subroutine  sgbtrs (TRANS, N, KL, KU, NRHS, AB, LDAB, IPIV, B, LDB, INFO) 
SGBTRS More...  
subroutine  sggbak (JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, LDV, INFO) 
SGGBAK More...  
subroutine  sggbal (JOB, N, A, LDA, B, LDB, ILO, IHI, LSCALE, RSCALE, WORK, INFO) 
SGGBAL More...  
subroutine  sla_gbamv (TRANS, M, N, KL, KU, ALPHA, AB, LDAB, X, INCX, BETA, Y, INCY) 
SLA_GBAMV performs a matrixvector operation to calculate error bounds. More...  
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. More...  
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 extraprecise iterative refinement and provides error bounds and backward error estimates for the solution. More...  
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. More...  
subroutine  sorgbr (VECT, M, N, K, A, LDA, TAU, WORK, LWORK, INFO) 
SORGBR More...  
This is the group of real computational functions for GB matrices