herfs Interface

public interface herfs

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.


Subroutines

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

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: nrhs
complex(kind=sp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
complex(kind=sp), intent(in) :: af(ldaf,*)
integer(kind=ilp), intent(in) :: ldaf
integer(kind=ilp), intent(in) :: ipiv(*)
complex(kind=sp), intent(in) :: b(ldb,*)
integer(kind=ilp), intent(in) :: ldb
complex(kind=sp), intent(inout) :: x(ldx,*)
integer(kind=ilp), intent(in) :: ldx
real(kind=sp), intent(out) :: ferr(*)
real(kind=sp), intent(out) :: berr(*)
complex(kind=sp), intent(out) :: work(*)
real(kind=sp), intent(out) :: rwork(*)
integer(kind=ilp), intent(out) :: info

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

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: nrhs
complex(kind=dp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
complex(kind=dp), intent(in) :: af(ldaf,*)
integer(kind=ilp), intent(in) :: ldaf
integer(kind=ilp), intent(in) :: ipiv(*)
complex(kind=dp), intent(in) :: b(ldb,*)
integer(kind=ilp), intent(in) :: ldb
complex(kind=dp), intent(inout) :: x(ldx,*)
integer(kind=ilp), intent(in) :: ldx
real(kind=dp), intent(out) :: ferr(*)
real(kind=dp), intent(out) :: berr(*)
complex(kind=dp), intent(out) :: work(*)
real(kind=dp), intent(out) :: rwork(*)
integer(kind=ilp), intent(out) :: info

Module Procedures

public interface stdlib_cherfs()

Arguments

None

public interface stdlib_zherfs()

Arguments

None