2. EL 9
  3. blas
  4. dzasum.f(3)

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dzasum.f(3) LAPACK dzasum.f(3)

NAME

dzasum.f

SYNOPSIS

Functions/Subroutines


double precision function dzasum (N, ZX, INCX)
DZASUM

Function/Subroutine Documentation

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.

Parameters:

N 



          N is INTEGER


         number of elements in input vector(s)

ZX



          ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

INCX



          INCX is INTEGER


         storage spacing between elements of ZX

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

November 2017

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(*)

Definition at line 74 of file dzasum.f.

Author

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