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1996-09-28
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37 lines
# The files here comprise a version of EISPACK that has been tuned to
# take advantage of the cache, the vector registers, and the vectorizing
# compiler of the IBM 3090-VF. Some of these files were not modified at
# all (from the original EISPACK versions), but are included here for
# completeness.
lib eispack/3090vf/paper
for description of changes to eispack
by Cline and Meyering
lib eispack/3090vf/single
prec single
by Cline and Meyering
lib eispack/3090vf/double
prec double
by Augustin Dubrulle
# Thus to get the file double precision vectorized tql2 subroutine, say
# send tql2 from eispack/3090vf/d.
# To get the corresponding single precision, say
# send tql2 from eispack/3090vf/s.
# Because the code contains a few IBM-specific constructions not understood
# by the compiler here, netlib can not provide its customary dependency
# analysis. So you have to ask for each subroutine individually. For a
# list of subroutines, see the index for (standard) eispack.
#
# Patches posted to the na-digest have been applied to the appropriate
# files. For details, "send changes from eispack/3090vf/s".
#
# A. Cline and J. Meyering, "Converting EISPACK to run efficiently on
# a vector processor", Tech. Memo., Pleasant Valley Software,
# Austin TX, 1989.
#
# A.A. Dubrulle, "A version of EISPACK for the IBM 3090VF", TR G320-3510,
# IBM Scientific Center, Palo Alto CA, 1988.