lanhs Interface

public interface lanhs

LANHS returns the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a Hessenberg matrix A.

Functions

public function clanhs(norm, n, a, lda, work)

Arguments

Type	Intent	Optional	Attributes		Name
character(len=1),	intent(in)			::	norm
integer(kind=ilp),	intent(in)			::	n
complex(kind=sp),	intent(in)			::	a(lda,*)
integer(kind=ilp),	intent(in)			::	lda
real(kind=sp),	intent(out)			::	work(*)

Return Value real(kind=sp)

public function dlanhs(norm, n, a, lda, work)

Arguments

Type	Intent	Optional	Attributes		Name
character(len=1),	intent(in)			::	norm
integer(kind=ilp),	intent(in)			::	n
real(kind=dp),	intent(in)			::	a(lda,*)
integer(kind=ilp),	intent(in)			::	lda
real(kind=dp),	intent(out)			::	work(*)

Return Value real(kind=dp)

public function slanhs(norm, n, a, lda, work)

Arguments

Type	Intent	Optional	Attributes		Name
character(len=1),	intent(in)			::	norm
integer(kind=ilp),	intent(in)			::	n
real(kind=sp),	intent(in)			::	a(lda,*)
integer(kind=ilp),	intent(in)			::	lda
real(kind=sp),	intent(out)			::	work(*)

Return Value real(kind=sp)

public function zlanhs(norm, n, a, lda, work)

Arguments

Type	Intent	Optional	Attributes		Name
character(len=1),	intent(in)			::	norm
integer(kind=ilp),	intent(in)			::	n
complex(kind=dp),	intent(in)			::	a(lda,*)
integer(kind=ilp),	intent(in)			::	lda
real(kind=dp),	intent(out)			::	work(*)

Return Value real(kind=dp)

Module Procedures

public interface stdlib_clanhs()

Arguments

None

public interface stdlib_dlanhs()

Arguments

None

public interface stdlib_slanhs()

Arguments

None

public interface stdlib_zlanhs()

Arguments

None