dtpmv Interface

interface
public pure subroutine dtpmv(uplo, trans, diag, n, ap, x, incx)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: uplo
character(len=1), intent(in) :: trans
character(len=1), intent(in) :: diag
integer, intent(in) :: n
real(kind=dp), intent(in) :: ap(*)
real(kind=dp), intent(inout) :: x(*)
integer, intent(in) :: incx

Description

Triangular packed matrix-vector operation x = A*x or x = A**T*x.