CLA_WWADDW

SUBROUTINE CLA_WWADDW( N, X, Y, W )

   Purpose
   =======

   CLA_WWADDW adds a vector W into a doubled-single vector (X, Y).

   This works for all extant IBM's hex and binary floating point
   arithmetics, but not for decimal.

   Arguments
   =========

   N      (input) INTEGER
          The length of vectors X, Y, and W.

   X      (input/output) COMPLEX array, dimension (N)
          The first part of the doubled-single accumulation vector.

   Y      (input/output) COMPLEX array, dimension (N)
          The second part of the doubled-single accumulation vector.

   W      (input) COMPLEX array, dimension (N)
          The vector to be added.

CLA_WWADDW

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