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

Public Member Functions
pure subroutine	chprfs (uplo, n, nrhs, ap, afp, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info)

	la_chprfs

	la_whprfs

pure subroutine	zhprfs (uplo, n, nrhs, ap, afp, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info)

	la_zhprfs

Detailed Description

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

Member Function/Subroutine Documentation

◆ chprfs()

pure subroutine la_lapack::hprfs::chprfs	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		complex(sp), dimension(*), intent(in)	ap,
		complex(sp), dimension(*), intent(in)	afp,
		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_chprfs()

la_lapack::hprfs::la_chprfs

◆ la_whprfs()

la_lapack::hprfs::la_whprfs

◆ la_zhprfs()

la_lapack::hprfs::la_zhprfs

◆ zhprfs()

pure subroutine la_lapack::hprfs::zhprfs	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		complex(dp), dimension(*), intent(in)	ap,
		complex(dp), dimension(*), intent(in)	afp,
		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
	)