dasum()

double precision function dasum	(	integer	n,
		double precision, dimension(*)	dx,
		integer	incx )

DASUM

Purpose:

!>
!>    DASUM takes the sum of the absolute values.
!> 

Parameters

[in]	N	!> N is INTEGER !> number of elements in input vector(s) !>
[in]	DX	!> DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) ) !>
[in]	INCX	!> INCX is INTEGER !> storage spacing between elements of DX !>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Further Details:

!>
!>     jack dongarra, linpack, 3/11/78.
!>     modified 3/93 to return if incx .le. 0.
!>     modified 12/3/93, array(1) declarations changed to array(*)
!>