LAPACK  3.8.0
LAPACK: Linear Algebra PACKage
Collaboration diagram for double:

Functions

subroutine dla_syamv (UPLO, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY)
 DLA_SYAMV computes a matrix-vector product using a symmetric indefinite matrix to calculate error bounds. More...
 
double precision function dla_syrcond (UPLO, N, A, LDA, AF, LDAF, IPIV, CMODE, C, INFO, WORK, IWORK)
 DLA_SYRCOND estimates the Skeel condition number for a symmetric indefinite matrix. More...
 
subroutine dla_syrfsx_extended (PREC_TYPE, UPLO, N, NRHS, A, LDA, AF, LDAF, 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_SYRFSX_EXTENDED improves the computed solution to a system of linear equations for symmetric indefinite matrices by performing extra-precise iterative refinement and provides error bounds and backward error estimates for the solution. More...
 
double precision function dla_syrpvgrw (UPLO, N, INFO, A, LDA, AF, LDAF, IPIV, WORK)
 DLA_SYRPVGRW computes the reciprocal pivot growth factor norm(A)/norm(U) for a symmetric indefinite matrix. More...
 
subroutine dlasyf (UPLO, N, NB, KB, A, LDA, IPIV, W, LDW, INFO)
 DLASYF computes a partial factorization of a real symmetric matrix using the Bunch-Kaufman diagonal pivoting method. More...
 
subroutine dlasyf_aa (UPLO, J1, M, NB, A, LDA, IPIV, H, LDH, WORK)
 DLASYF_AA More...
 
subroutine dlasyf_rk (UPLO, N, NB, KB, A, LDA, E, IPIV, W, LDW, INFO)
 DLASYF_RK computes a partial factorization of a real symmetric indefinite matrix using bounded Bunch-Kaufman (rook) diagonal pivoting method. More...
 
subroutine dlasyf_rook (UPLO, N, NB, KB, A, LDA, IPIV, W, LDW, INFO)
 DLASYF_ROOK *> DLASYF_ROOK computes a partial factorization of a real symmetric matrix using the bounded Bunch-Kaufman ("rook") diagonal pivoting method. More...
 
subroutine dsycon (UPLO, N, A, LDA, IPIV, ANORM, RCOND, WORK, IWORK, INFO)
 DSYCON More...
 
subroutine dsycon_3 (UPLO, N, A, LDA, E, IPIV, ANORM, RCOND, WORK, IWORK, INFO)
 DSYCON_3 More...
 
subroutine dsycon_rook (UPLO, N, A, LDA, IPIV, ANORM, RCOND, WORK, IWORK, INFO)
  DSYCON_ROOK More...
 
subroutine dsyconv (UPLO, WAY, N, A, LDA, IPIV, E, INFO)
 DSYCONV More...
 
subroutine dsyconvf (UPLO, WAY, N, A, LDA, E, IPIV, INFO)
 DSYCONVF More...
 
subroutine dsyconvf_rook (UPLO, WAY, N, A, LDA, E, IPIV, INFO)
 DSYCONVF_ROOK More...
 
subroutine dsyequb (UPLO, N, A, LDA, S, SCOND, AMAX, WORK, INFO)
 DSYEQUB More...
 
subroutine dsygs2 (ITYPE, UPLO, N, A, LDA, B, LDB, INFO)
 DSYGS2 reduces a symmetric definite generalized eigenproblem to standard form, using the factorization results obtained from spotrf (unblocked algorithm). More...
 
subroutine dsygst (ITYPE, UPLO, N, A, LDA, B, LDB, INFO)
 DSYGST More...
 
subroutine dsyrfs (UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, IWORK, INFO)
 DSYRFS More...
 
subroutine dsyrfsx (UPLO, EQUED, N, NRHS, A, LDA, AF, LDAF, IPIV, S, B, LDB, X, LDX, RCOND, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, IWORK, INFO)
 DSYRFSX More...
 
subroutine dsytd2 (UPLO, N, A, LDA, D, E, TAU, INFO)
 DSYTD2 reduces a symmetric matrix to real symmetric tridiagonal form by an orthogonal similarity transformation (unblocked algorithm). More...
 
subroutine dsytf2 (UPLO, N, A, LDA, IPIV, INFO)
 DSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm). More...
 
subroutine dsytf2_rk (UPLO, N, A, LDA, E, IPIV, INFO)
 DSYTF2_RK computes the factorization of a real symmetric indefinite matrix using the bounded Bunch-Kaufman (rook) diagonal pivoting method (BLAS2 unblocked algorithm). More...
 
subroutine dsytf2_rook (UPLO, N, A, LDA, IPIV, INFO)
 DSYTF2_ROOK computes the factorization of a real symmetric indefinite matrix using the bounded Bunch-Kaufman ("rook") diagonal pivoting method (unblocked algorithm). More...
 
subroutine dsytrd (UPLO, N, A, LDA, D, E, TAU, WORK, LWORK, INFO)
 DSYTRD More...
 
subroutine dsytrd_2stage (VECT, UPLO, N, A, LDA, D, E, TAU, HOUS2, LHOUS2, WORK, LWORK, INFO)
 DSYTRD_2STAGE More...
 
subroutine dsytrd_sy2sb (UPLO, N, KD, A, LDA, AB, LDAB, TAU, WORK, LWORK, INFO)
 DSYTRD_SY2SB More...
 
subroutine dsytrf (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
 DSYTRF More...
 
subroutine dsytrf_aa (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
 DSYTRF_AA More...
 
subroutine dsytrf_aa_2stage (UPLO, N, A, LDA, TB, LTB, IPIV, IPIV2, WORK, LWORK, INFO)
 DSYTRF_AA_2STAGE More...
 
subroutine dsytrf_rk (UPLO, N, A, LDA, E, IPIV, WORK, LWORK, INFO)
 DSYTRF_RK computes the factorization of a real symmetric indefinite matrix using the bounded Bunch-Kaufman (rook) diagonal pivoting method (BLAS3 blocked algorithm). More...
 
subroutine dsytrf_rook (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
 DSYTRF_ROOK More...
 
subroutine dsytri (UPLO, N, A, LDA, IPIV, WORK, INFO)
 DSYTRI More...
 
subroutine dsytri2 (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
 DSYTRI2 More...
 
subroutine dsytri2x (UPLO, N, A, LDA, IPIV, WORK, NB, INFO)
 DSYTRI2X More...
 
subroutine dsytri_3 (UPLO, N, A, LDA, E, IPIV, WORK, LWORK, INFO)
 DSYTRI_3 More...
 
subroutine dsytri_3x (UPLO, N, A, LDA, E, IPIV, WORK, NB, INFO)
 DSYTRI_3X More...
 
subroutine dsytri_rook (UPLO, N, A, LDA, IPIV, WORK, INFO)
 DSYTRI_ROOK More...
 
subroutine dsytrs (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, INFO)
 DSYTRS More...
 
subroutine dsytrs2 (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, INFO)
 DSYTRS2 More...
 
subroutine dsytrs_3 (UPLO, N, NRHS, A, LDA, E, IPIV, B, LDB, INFO)
 DSYTRS_3 More...
 
subroutine dsytrs_aa (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, LWORK, INFO)
 DSYTRS_AA More...
 
subroutine dsytrs_aa_2stage (UPLO, N, NRHS, A, LDA, TB, LTB, IPIV, IPIV2, B, LDB, INFO)
 DSYTRS_AA_2STAGE More...
 
subroutine dsytrs_rook (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, INFO)
 DSYTRS_ROOK More...
 
subroutine dtgsyl (TRANS, IJOB, M, N, A, LDA, B, LDB, C, LDC, D, LDD, E, LDE, F, LDF, SCALE, DIF, WORK, LWORK, IWORK, INFO)
 DTGSYL More...
 
subroutine dtrsyl (TRANA, TRANB, ISGN, M, N, A, LDA, B, LDB, C, LDC, SCALE, INFO)
 DTRSYL More...
 

Detailed Description

This is the group of double computational functions for SY matrices