sign



>>>>> "lm" == leon magiera <leon.magiera at wp.pl> writes:

lm> I want to get the result of calculation (simplification) 
 
lm>           assume( x>0, x<%pi/2 );
lm>           sign(cos(x)); 

lm> I expect to get 1, whereas MAXIMA returns:
 
lm>          pnz

I just hit that today, too.  For {-1,0,1} use signum().

Cf:

        ? sign
vs
        ? signum

-JimC
-- 
James Cloos <cloos at jhcloos.com>         OpenPGP: 1024D/ED7DAEA6