Subject: Relativistic addition of velocities in wxMaxima
From: Raymond Toy
Date: Wed, 25 Sep 2013 09:01:36 -0700
>>>>> "laurent" == laurent couraud <l.couraud at gmail.com> writes:
laurent> (%i10) rat(%o2);
laurent> rat: replaced 0.0E-7 by 1/1000000 = 0.0E-7
laurent> ?????????????????????????????????????????????????????????? 1
laurent> (%o10)/R/?????????????????????????????????????????????? -------
laurent> ??????????????????????????????????????????????????????? 1000000
laurent> (%i11) %o2*2;
laurent> (%o11)?????????????????????????????????????????????????? 2.0E-6
laurent> ?
laurent> Then it seems the value is 1.0e-6.?This is why?I said it
laurent> is display/printing problem only.
Yes, I tried it out with gcl 2.6.9 and 2.6.10pre. They both have
problems printing out 1e-6. (format t "~21,15e" 1e-6) also prints out
0.0...0e7.
So it's a bug in gcl; I've reported this to the gcl mailing list.
Ray