[Rd] R-devel on FreeBSD: Support for C99 complex type is required
Prof Brian Ripley
ripley at stats.ox.ac.uk
Mon Feb 7 23:45:26 CET 2011
A follow-up on this.
Cygwin has recently[*] added support for C99 complex math, taken from
NetBSD with code that is very similar to that from Steven Moshier
available via http://www.moshier.net/c9x_readme.html.
That code isn't entirely right, especially not at the cuts on the
inverse functions where C99 mandates what cut is used (and neither
glibc nor Mac OS X have it correct).
I would expect that the current R-devel (I mean an SVN checkout now)
should build on your platform, substituting the missing functions by
ones based on earlier code. There may be a few more tweaks required,
but I have corrected several errors in the versions FreeBSD would have
used in R 2.12.1.
[*] AFAICS not yet released in Cygwin, but in newlib 1.19.0.
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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