LAPACK  3.6.0
LAPACK: Linear Algebra PACKage
double precision function dzasum ( integer  N,
complex*16, dimension(*)  ZX,
integer  INCX 
)

DZASUM

Purpose:
    DZASUM takes the sum of the (|Re(.)| + |Im(.)|)'s of a complex vector and
    returns a single precision result.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
November 2015
Further Details:
     jack dongarra, 3/11/78.
     modified 3/93 to return if incx .le. 0.
     modified 12/3/93, array(1) declarations changed to array(*)