I checked, and both octave and yorick use multiplication for z^i where i is an integer, leading to better accuracy. Octave uses an integer power if it's stored as a double if it's close enough to an integer. See:
http://hg.savannah.gnu.org/hgweb/octave/file/fb22dd5d6242/src/xpow.cc http://yorick.sourcearchive.com/documentation/2.1.01cvs20060706/ops2_8c-source.html - Tom ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
