dla_wwaddw (3)

Functions/Subroutines

subroutine dla_wwaddw (N, X, Y, W)

DLA_WWADDW adds a vector into a doubled-single vector.

subroutine dla_wwaddw (integerN, 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
    arithmetics, but not for decimal.

Parameters:

N

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

X

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

Y

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

W

          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.

Date:

September 2012

Definition at line 82 of file dla_wwaddw.f.

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