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From: | marco atzeri |
Subject: | [Octave-bug-tracker] [bug #35024] magnitude abs(a) != sqrt(a_r^2 + a_i^2) |
Date: | Mon, 19 Dec 2011 14:55:42 +0000 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20100101 Firefox/8.0 |
Follow-up Comment #9, bug #35024 (project octave): on cygwin where octave is built with --enable-float-truncate octave:1> abs(2+3i) - sqrt(13) ans = 0 I presume for the same reason I wrote on "etc/README.Cygwin": "--enable-float-truncate" is needed for the following bug: http://thread.gmane.org/gmane.comp.gnu.octave.bugs/12361/focus=12404 Without it, one of the quadgk test will fail as "a=a" could be false due to truncation problems with complex numbers. _______________________________________________________ Reply to this item at: <http://savannah.gnu.org/bugs/?35024> _______________________________________________ Message sent via/by Savannah http://savannah.gnu.org/
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