stdlib_chpmv Subroutine
public pure subroutine stdlib_chpmv(uplo, n, alpha, ap, x, incx, beta, y, incy)
CHPMV performs the matrix-vector operation y := alphaAx + beta*y, where alpha and beta are scalars, x and y are n element vectors and A is an n by n hermitian matrix, supplied in packed form.
Arguments
| Type | Intent | Optional | 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) | :: | ap(*) | |||
| complex(kind=sp), | intent(in) | :: | x(*) | |||
| integer(kind=ilp), | intent(in) | :: | incx | |||
| complex(kind=sp), | intent(in) | :: | beta | |||
| complex(kind=sp), | intent(inout) | :: | y(*) | |||
| integer(kind=ilp), | intent(in) | :: | incy |