Re: pari-2.0.alpha/linux-i586, make test-compat

[Gerhard Niklasch <nikl@mathematik.tu-muenchen.de>]

> From: Clemens Heuberger <cheub@weyl.math.tu-graz.ac.at>
> 
> I have just compiled pari-2.0.alpha on a Pentium 200 running Linux (2.0.32).
> Do I have to worry about the following?

You might start worrying about your return key first of all... or at least
remember to exercise it from time to time!  ;^)

> > finanz:/home/cheub/pari/pari-2.0.alpha 78> make test-compat
> > cd o.linux-i586; make test-compat
> > make[1]: Entering directory `/home/cheub/pari/pari-2.0.alpha/o.linux-i586'
> > Running tests in compatibility mode... for gp-sta executable
> > PROBLEMS ARISED. See out.sta.diff

Yes.  It should be `PROBLEMS HAVE ARISEN' or `PROBLEMS WERE NOTED'.

> out.sta.diff reads as follows:
> *** ../src/test/testout32	Fri Nov 14 02:21:01 1997
> --- out.sta	Wed Nov 26 16:41:26 1997
> ***************
> *** 2738,2753 ****
> ! % = [x - 1, x^2 - x + 1, x^2 + 1, x^4 - x^2 + 1]~
> - [-1/192*x^3 - 1/8*x + 1/2 x^2 - x + 1]
> ! [-1/192*x^3 + 1/48*x^2 + 1/8*x x^4 - x^2 + 1]
> --- 2738,2753 ----
> ! % = [x - 1, x^2 + 1, x^4 - x^2 + 1, x^2 - x + 1]~
> ! [1/192*x^3 - 1/48*x^2 - 1/8*x x^4 - x^2 + 1]
> ! [-1/192*x^3 - 1/8*x + 1/2 x^2 - x + 1]

No.  polred and friends may produce stuff in different order, with
different signs, and sometimes even different stuff.  (Karim, does the
test suite do a setrand before this?  Perhaps it should.)

> ***************
> *** 2935,2940 ****
> ! Total time spent: 28551
> --- 2935,2942 ----
> ! Total time spent: 30350

No.

> !   ***   segmentation fault: bug in GP (please report).

Yes.  As it says!

> and out.dyn.diff reads as follows

That's just the same things all over again.

Hope this helps, Gerhard