On Fri, Jul 16, 2010 at 2:50 PM, parisse
<bernard.pari...@ujf-grenoble.fr> wrote:
>> I'm *REALLY*, really, really confused about which tarball is the
>> source code for the
>> latest version of giac. Just to clarify, please send me a direct link
>> in email here, please.
>>
>
> Should be there
> http://www-fourier.ujf-grenoble.fr/~parisse/giac/giac_unstable.tgz
After installing enough latex packages so that the docs seemed to
build, my build still fails here:
...
make[3]: Entering directory
`/scratch/wstein/build/sage-4.4.4/spkg/build/giac-2010-07-17/src/doc'
make install-exec-hook
make[4]: Entering directory
`/scratch/wstein/build/sage-4.4.4/spkg/build/giac-2010-07-17/src/doc'
/bin/bash
/scratch/wstein/build/sage-4.4.4/spkg/build/giac-2010-07-17/src/config/install-sh
-d /scratch/wstein/build/sage-4.4.4/local/shar
e/giac/doc/dxcas
/bin/bash
/scratch/wstein/build/sage-4.4.4/spkg/build/giac-2010-07-17/src/config/install-sh
-d /scratch/wstein/build/sage-4.4.4/local/shar
e/giac/doc//pari
/usr/bin/install -c -m 644 ../doc/dxcas/*
/scratch/wstein/build/sage-4.4.4/local/share/giac/doc/dxcas
/usr/bin/install -c -m 644 ../doc/pari/*
/scratch/wstein/build/sage-4.4.4/local/share/giac/doc/pari
ln -s ../aide_cas /scratch/wstein/build/sage-4.4.4/local/share/giac/doc/aide_cas
ln: creating symbolic link
`/scratch/wstein/build/sage-4.4.4/local/share/giac/doc/aide_cas': File
exists
make[4]: *** [install-exec-hook] Error 1
make[4]: Leaving directory
`/scratch/wstein/build/sage-4.4.4/spkg/build/giac-2010-07-
----
I manually deleted the relevant file
/scratch/wstein/build/sage-4.4.4/local/share/giac/doc/aide_cas
and was able to get the build to finish. So very close to "works first try".
How do I surpress printing when using giac? E.g., how do I keep giac
from printing massive amounts when I do:
8>> f1:=(x+y+z+1)^20+1; p1:=normal(f1*(f1+1));
9>> factor(p1);
By the way, I tried the above and it took only 0.63 seconds, which is
very impressive (!). It's much faster than Sage-4.4.4 and Magma.
sage: R.<x,y,z> = QQ[]
sage: f1 = (x+y+z+1)^20+1; p1=f1*(f1+1)
sage: time a = p1.factor()
CPU times: user 19.65 s, sys: 0.00 s, total: 19.65 s
Wall time: 19.68 s
sage: k=magma(p1)
sage: magma.eval('time a := Factorization(%s);'%k.name())
'Time: 9.480'
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