[Pkg-octave-devel] Errors in octave-signal's testsuite

Thomas Weber tweber at debian.org
Tue Mar 13 23:55:24 UTC 2012


On Tue, Mar 13, 2012 at 10:58:07PM +0100, Rafael Laboissiere wrote:
> Could you please install octave-signal_1.1.2-1 on your unstable system,
> run the following code, and tell me what you get:
> 
> #########################################################################
> sf = 800; sf2 = sf/2;
> data=[sinetone(49,sf,10,1),sinetone(50,sf,10,1),sinetone(51,sf,10,1)];
> [b, a] = pei_tseng_notch ( 50 / sf2, 2 / sf2 )
> filtered = filter ( b, a, data );
> 20 * log10 ( max ( filtered ( end - 1000 : end, :)))
> #########################################################################

#########################################################################
octave:1> sf = 800; sf2 = sf/2;
octave:2> data=[sinetone(49,sf,10,1),sinetone(50,sf,10,1),sinetone(51,sf,10,1)];
octave:3> [b, a] = pei_tseng_notch ( 50 / sf2, 2 / sf2 )
b =

   0.99213  -1.83322   0.99213

a =

   1.00000  -1.83322   0.98426

octave:4> filtered = filter ( b, a, data );
octave:5> 20 * log10 ( max ( filtered ( end - 1000 : end, :)))
ans =

    -3.0103  -250.7217    -3.0935
#########################################################################

That's from my normal system, the build happened in a cowbuilder chroot.

	Thomas



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