HERFS: improves the computed solution to a system of linear equations when the coefficient matrix is Hermitian indefinite, and provides error bounds and backward error estimates for the solution. More...

Public Member Functions
pure subroutine	cherfs (uplo, n, nrhs, a, lda, af, ldaf, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info)

	la_cherfs

	la_wherfs

pure subroutine	zherfs (uplo, n, nrhs, a, lda, af, ldaf, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info)

	la_zherfs

Detailed Description

HERFS: improves the computed solution to a system of linear equations when the coefficient matrix is Hermitian indefinite, and provides error bounds and backward error estimates for the solution.

Member Function/Subroutine Documentation

◆ cherfs()

pure subroutine la_lapack::herfs::cherfs	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		complex(sp), dimension(lda,*), intent(in)	a,
		integer(ilp), intent(in)	lda,
		complex(sp), dimension(ldaf,*), intent(in)	af,
		integer(ilp), intent(in)	ldaf,
		integer(ilp), dimension(*), intent(in)	ipiv,
		complex(sp), dimension(ldb,*), intent(in)	b,
		integer(ilp), intent(in)	ldb,
		complex(sp), dimension(ldx,*), intent(inout)	x,
		integer(ilp), intent(in)	ldx,
		real(sp), dimension(*), intent(out)	ferr,
		real(sp), dimension(*), intent(out)	berr,
		complex(sp), dimension(*), intent(out)	work,
		real(sp), dimension(*), intent(out)	rwork,
		integer(ilp), intent(out)	info
	)

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◆ la_cherfs()

la_lapack::herfs::la_cherfs

◆ la_wherfs()

la_lapack::herfs::la_wherfs

◆ la_zherfs()

la_lapack::herfs::la_zherfs

◆ zherfs()

pure subroutine la_lapack::herfs::zherfs	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		complex(dp), dimension(lda,*), intent(in)	a,
		integer(ilp), intent(in)	lda,
		complex(dp), dimension(ldaf,*), intent(in)	af,
		integer(ilp), intent(in)	ldaf,
		integer(ilp), dimension(*), intent(in)	ipiv,
		complex(dp), dimension(ldb,*), intent(in)	b,
		integer(ilp), intent(in)	ldb,
		complex(dp), dimension(ldx,*), intent(inout)	x,
		integer(ilp), intent(in)	ldx,
		real(dp), dimension(*), intent(out)	ferr,
		real(dp), dimension(*), intent(out)	berr,
		complex(dp), dimension(*), intent(out)	work,
		real(dp), dimension(*), intent(out)	rwork,
		integer(ilp), intent(out)	info
	)