DOUBLE PRECISION FUNCTION DCABS1( Z )
*
*  -- Automatically Tuned Linear Algebra Software (ATLAS)
*     (C) Copyright 2000 All Rights Reserved
*
*  -- ATLAS routine -- F77 Interface -- Version 3.2 -- December 25, 2000
*
*  -- Suggestions,  comments,  bugs reports should be sent to the follo-
*     wing e-mail address: atlas@cs.utk.edu
*
*  Author         : Antoine P. Petitet
*  University of Tennessee - Innovative Computing Laboratory
*  Knoxville TN, 37996-1301, USA.
*
*  ---------------------------------------------------------------------
*
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*  ---------------------------------------------------------------------
*
*     .. Scalar Arguments ..
      DOUBLE COMPLEX     Z
*     ..
*
*  Purpose
*  =======
*
*  DCABS1 returns |real( z )| + |imag( z )|  where z is a double complex
*  number.
*
*  Arguments
*  =========
*
*  Z       (input)                       COMPLEX*16
*          On entry, the complex number z.
*
*  =====================================================================
*
*     .. Local Scalars ..
      DOUBLE COMPLEX     ZZ
*     ..
*     .. Local Arrays ..
      DOUBLE PRECISION   T( 2 )
*     ..
*     .. Equivalence Statements ..
      EQUIVALENCE        ( ZZ, T( 1 ) )
*     ..
*     .. Intrinsic Functions ..
      INTRINSIC          DABS
*     ..
*     .. Executable Statements ..
*
      ZZ = Z
      DCABS1 = DABS( T( 1 ) ) + DABS( T( 2 ) )
*
      RETURN
*
*     End of DCABS1
*
      END