NAME

       sla_wwaddw.f -

SYNOPSIS

   Functions/Subroutines
       subroutine sla_wwaddw (N, X, Y, W)
           SLA_WWADDW adds a vector into a doubled-single vector.

Function/Subroutine Documentation

   subroutine sla_wwaddw (integer N, real, dimension( * ) X, real, dimension( * ) Y, real,
       dimension( * ) W)
       SLA_WWADDW adds a vector into a doubled-single vector.

       Purpose:

               SLA_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.

       Parameters:
           N

                     N is INTEGER
                       The length of vectors X, Y, and W.

           X

                     X is REAL array, dimension (N)
                       The first part of the doubled-single accumulation vector.

           Y

                     Y is REAL array, dimension (N)
                       The second part of the doubled-single accumulation vector.

           W

                     W is REAL array, dimension (N)
                       The vector to be added.

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           September 2012

Author

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