real

Collaboration diagram for real:

Functions
subroutine	sla_syamv (uplo, n, alpha, a, lda, x, incx, beta, y, incy)
	SLA_SYAMV computes a matrix-vector product using a symmetric indefinite matrix to calculate error bounds.
real function	sla_syrcond (uplo, n, a, lda, af, ldaf, ipiv, cmode, c, info, work, iwork)
	SLA_SYRCOND estimates the Skeel condition number for a symmetric indefinite matrix.
subroutine	sla_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)
	SLA_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.
real function	sla_syrpvgrw (uplo, n, info, a, lda, af, ldaf, ipiv, work)
	SLA_SYRPVGRW computes the reciprocal pivot growth factor norm(A)/norm(U) for a symmetric indefinite matrix.
subroutine	slasyf (uplo, n, nb, kb, a, lda, ipiv, w, ldw, info)
	SLASYF computes a partial factorization of a real symmetric matrix using the Bunch-Kaufman diagonal pivoting method.
subroutine	slasyf_aa (uplo, j1, m, nb, a, lda, ipiv, h, ldh, work)
	SLASYF_AA
subroutine	slasyf_rook (uplo, n, nb, kb, a, lda, ipiv, w, ldw, info)
	SLASYF_ROOK computes a partial factorization of a real symmetric matrix using the bounded Bunch-Kaufman ("rook") diagonal pivoting method.
subroutine	ssycon (uplo, n, a, lda, ipiv, anorm, rcond, work, iwork, info)
	SSYCON
subroutine	ssycon_rook (uplo, n, a, lda, ipiv, anorm, rcond, work, iwork, info)
	SSYCON_ROOK
subroutine	ssyconv (uplo, way, n, a, lda, ipiv, e, info)
	SSYCONV
subroutine	ssyequb (uplo, n, a, lda, s, scond, amax, work, info)
	SSYEQUB
subroutine	ssygs2 (itype, uplo, n, a, lda, b, ldb, info)
	SSYGS2 reduces a symmetric definite generalized eigenproblem to standard form, using the factorization results obtained from spotrf (unblocked algorithm).
subroutine	ssygst (itype, uplo, n, a, lda, b, ldb, info)
	SSYGST
subroutine	ssyrfs (uplo, n, nrhs, a, lda, af, ldaf, ipiv, b, ldb, x, ldx, ferr, berr, work, iwork, info)
	SSYRFS
subroutine	ssyrfsx (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)
	SSYRFSX
subroutine	ssytd2 (uplo, n, a, lda, d, e, tau, info)
	SSYTD2 reduces a symmetric matrix to real symmetric tridiagonal form by an orthogonal similarity transformation (unblocked algorithm).
subroutine	ssytf2 (uplo, n, a, lda, ipiv, info)
	SSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm).
subroutine	ssytf2_rook (uplo, n, a, lda, ipiv, info)
	SSYTF2_ROOK computes the factorization of a real symmetric indefinite matrix using the bounded Bunch-Kaufman ("rook") diagonal pivoting method (unblocked algorithm).
subroutine	ssytrd (uplo, n, a, lda, d, e, tau, work, lwork, info)
	SSYTRD
subroutine	ssytrd_2stage (vect, uplo, n, a, lda, d, e, tau, hous2, lhous2, work, lwork, info)
	SSYTRD_2STAGE
subroutine	ssytrd_sy2sb (uplo, n, kd, a, lda, ab, ldab, tau, work, lwork, info)
	SSYTRD_SY2SB
subroutine	ssytrf (uplo, n, a, lda, ipiv, work, lwork, info)
	SSYTRF
subroutine	ssytrf_aa (uplo, n, a, lda, ipiv, work, lwork, info)
	SSYTRF_AA
subroutine	ssytrf_aa_2stage (uplo, n, a, lda, tb, ltb, ipiv, ipiv2, work, lwork, info)
	SSYTRF_AA_2STAGE
subroutine	ssytrf_rook (uplo, n, a, lda, ipiv, work, lwork, info)
	SSYTRF_ROOK
subroutine	ssytri (uplo, n, a, lda, ipiv, work, info)
	SSYTRI
subroutine	ssytri2 (uplo, n, a, lda, ipiv, work, lwork, info)
	SSYTRI2
subroutine	ssytri2x (uplo, n, a, lda, ipiv, work, nb, info)
	SSYTRI2X
subroutine	ssytri_rook (uplo, n, a, lda, ipiv, work, info)
	SSYTRI_ROOK
subroutine	ssytrs (uplo, n, nrhs, a, lda, ipiv, b, ldb, info)
	SSYTRS
subroutine	ssytrs2 (uplo, n, nrhs, a, lda, ipiv, b, ldb, work, info)
	SSYTRS2
subroutine	ssytrs_aa (uplo, n, nrhs, a, lda, ipiv, b, ldb, work, lwork, info)
	SSYTRS_AA
subroutine	ssytrs_aa_2stage (uplo, n, nrhs, a, lda, tb, ltb, ipiv, ipiv2, b, ldb, info)
	SSYTRS_AA_2STAGE
subroutine	ssytrs_rook (uplo, n, nrhs, a, lda, ipiv, b, ldb, info)
	SSYTRS_ROOK
subroutine	stgsyl (trans, ijob, m, n, a, lda, b, ldb, c, ldc, d, ldd, e, lde, f, ldf, scale, dif, work, lwork, iwork, info)
	STGSYL
subroutine	strsyl (trana, tranb, isgn, m, n, a, lda, b, ldb, c, ldc, scale, info)
	STRSYL

Detailed Description

This is the group of real computational functions for SY matrices