her2 Interface

public interface her2

HER2 performs the hermitian rank 2 operation A := alphaxyH + conjg( alpha )yxH + A, where alpha is a scalar, x and y are n element vectors and A is an n by n hermitian matrix.


Subroutines

public pure subroutine cher2(uplo, n, alpha, x, incx, y, incy, a, lda)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
complex(kind=sp), intent(in) :: alpha
complex(kind=sp), intent(in) :: x(*)
integer(kind=ilp), intent(in) :: incx
complex(kind=sp), intent(in) :: y(*)
integer(kind=ilp), intent(in) :: incy
complex(kind=sp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda

public pure subroutine zher2(uplo, n, alpha, x, incx, y, incy, a, lda)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
complex(kind=dp), intent(in) :: alpha
complex(kind=dp), intent(in) :: x(*)
integer(kind=ilp), intent(in) :: incx
complex(kind=dp), intent(in) :: y(*)
integer(kind=ilp), intent(in) :: incy
complex(kind=dp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda

Module Procedures

public pure subroutine stdlib_cher2(uplo, n, alpha, x, incx, y, incy, a, lda)

CHER2 performs the hermitian rank 2 operation A := alphaxyH + conjg( alpha )yxH + A, where alpha is a scalar, x and y are n element vectors and A is an n by n hermitian matrix.

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
complex(kind=sp), intent(in) :: alpha
complex(kind=sp), intent(in) :: x(*)
integer(kind=ilp), intent(in) :: incx
complex(kind=sp), intent(in) :: y(*)
integer(kind=ilp), intent(in) :: incy
complex(kind=sp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda

public pure subroutine stdlib_zher2(uplo, n, alpha, x, incx, y, incy, a, lda)

ZHER2 performs the hermitian rank 2 operation A := alphaxyH + conjg( alpha )yxH + A, where alpha is a scalar, x and y are n element vectors and A is an n by n hermitian matrix.

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
complex(kind=dp), intent(in) :: alpha
complex(kind=dp), intent(in) :: x(*)
integer(kind=ilp), intent(in) :: incx
complex(kind=dp), intent(in) :: y(*)
integer(kind=ilp), intent(in) :: incy
complex(kind=dp), intent(inout) :: a(lda,*)
integer(kind=ilp), intent(in) :: lda