herk Interface

public interface herk

HERK performs one of the hermitian rank k operations C := alphaAAH + betaC, or C := alphaAHA + betaC, where alpha and beta are real scalars, C is an n by n hermitian matrix and A is an n by k matrix in the first case and a k by n matrix in the second case.


Subroutines

public pure subroutine cherk(uplo, trans, n, k, alpha, a, lda, beta, c, ldc)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: k
real(kind=sp), intent(in) :: alpha
complex(kind=sp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
real(kind=sp), intent(in) :: beta
complex(kind=sp), intent(inout) :: c(ldc,*)
integer(kind=ilp), intent(in) :: ldc

public pure subroutine zherk(uplo, trans, n, k, alpha, a, lda, beta, c, ldc)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
integer(kind=ilp), intent(in) :: n
integer(kind=ilp), intent(in) :: k
real(kind=dp), intent(in) :: alpha
complex(kind=dp), intent(in) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda
real(kind=dp), intent(in) :: beta
complex(kind=dp), intent(inout) :: c(ldc,*)
integer(kind=ilp), intent(in) :: ldc

Module Procedures

public interface stdlib_cherk()

Arguments

None

public interface stdlib_zherk()

Arguments

None