NAME

SRC/dla_wwaddw.f

SYNOPSIS

Functions/Subroutines

subroutine dla_wwaddw (n, x, y, w)
DLA_WWADDW adds a vector into a doubled-single vector.

Function/Subroutine Documentation

subroutine dla_wwaddw (integer n, double precision, dimension( * ) x, double precision, dimension( * ) y, double precision, dimension( * ) w)

DLA_WWADDW adds a vector into a doubled-single vector.

Purpose:



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


    This works for all extant IBM's hex and binary floating point


    arithmetic, but not for decimal.

Parameters



          N is INTEGER


            The length of vectors X, Y, and W.



          X is DOUBLE PRECISION array, dimension (N)


            The first part of the doubled-single accumulation vector.



          Y is DOUBLE PRECISION array, dimension (N)


            The second part of the doubled-single accumulation vector.



          W is DOUBLE PRECISION array, dimension (N)


            The vector to be added.

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 80 of file dla_wwaddw.f.

Author

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