Relativistic addition of velocities in wxMaxima



>>>>> "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