generators for grand

Daniele Andreucci andreucci at dmmm.uniroma1.it
Sat Dec 4 17:51:25 CET 2010


Hi!

I have problems with using the procedure "grand" in my Linux Debian
Squeeze-amd64 installation. These problem do not show up in a Debian
Squeeze i386 (that is 32 bit) system (in a different PC).

Essentially, grand does not seem to work with the generator "fsultra",
while it works with "mt" (I did not test well the other generators, but
a one-shot trial seems to indicate that kiss and urand are also not
working, while clcg2/4 do work).

I report below what I obtain with Scilab 5.2.2 (standard Debian
package), but the same happens with a just installed Scilab 5.3.0-beta5
(64 bit), anyway.

I can't find any relevant help searching the list for "grand"; am I
mistaken on the use of generators?

Thanks a lot for any help.

Daniele

**** Scilab output:

-->grand("setgen","mt")
 ans  =

 mt

-->grand(1,1,"exp",1)
 ans  =

    0.6700172

-->grand(1,"mul",10,[0.2;0.5])
 ans  =

    1.
    3.
    6.

-->grand("setgen","fsultra")
 ans  =

 fsultra

-->grand(1,1,"exp",1)
 ans  =

    31399633.


-->grand("getsd")
 ans  =

    20.
    1.
    9.915D+17
    1.845D+19
    1.845D+19
    4.130D+09
    1.845D+19
    1.845D+19
    1.845D+19
    1.845D+19
    2.026D+09
    6.134D+09
    1.845D+19
    3.569D+09
    2.550D+09
    2.170D+09
[Continue display? n (no) to stop, any other key to continue]

->grand("setsd",123456,987654)

-->grand("getsd")
 ans  =

    0.
    0.
    2.513D+18
    1.845D+19
    4.782D+08
    3.907D+08
    1.845D+19
    3.132D+08
    1.925D+09
    1.845D+19
    1.845D+19
    1.663D+08
    2.602D+09
    1.845D+19
    1.845D+19
    1.845D+19

-->grand(1,1,"exp",1)
 ans  =

    40105477.


-->grand(1,"mul",10,[0.2;0.5])
[Scilab is stuck, and I have to xkill it]

***** end of Scilab output

-- 
[ Daniele Andreucci
[ Dip. di Scienze di Base e Applicate per l'Ingegneria
[ via A. Scarpa 16     00161 Roma, Italy
[ tel.    +39 0649766785
[ fax     +39 064957647
[ e-mail:  andreucci at dmmm.uniroma1.it
[ http://www.dmmm.uniroma1.it/~andreucci/
[ gpg pub key id: D3ADC732

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