[vorbis-dev] floating point exception in 1.0

Monty xiphmont at xiph.org
Thu Sep 5 13:02:24 PDT 2002

Thank you for the backtrace.  I'll have a look at it.


<p>On Mon, Sep 02, 2002 at 03:26:21PM -0500, Jeffrey Bridge wrote:
> gdb output is attached. i got the same error on two other beatles tracks
> while going through the collection.
> debian libogg-1.0
> cvs libvorbis0
> cvs libvorbisenc2
> cvs libvorbisfile3
> debian vorbis-tools-1.0
> ~jeff

> GNU gdb 2002-08-18-cvs
> Copyright 2002 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "alpha-linux"...(no debugging symbols found)...
> (gdb) set g args -q 6 -o track9.ogg track9.wav
> (gdb) run
> Starting program: /usr/bin/oggenc -q 6 -o track9.ogg track9.wav
> Program received signal SIGFPE, Arithmetic exception.
> fit_line (a=0x11fffde88, fits=0, y0=0x11ffff0f0, y1=0x11ffff0f4)
>     at floor1.c:513
> 513	    double b=(an*fxy-fx*fy)*denom;
> (gdb) bt
> #0  fit_line (a=0x11fffde88, fits=0, y0=0x11ffff0f0, y1=0x11ffff0f4)
>     at floor1.c:513
> #1  0x00000200002042d0 in floor1_fit (vb=0x11ffff678, look=0x1200754f0, 
>     logmdct=0x120099950, logmask=0x120098950) at floor1.c:672
> #2  0x000002000020964c in mapping0_forward (vb=0x11ffff678) at mapping0.c:423
> #3  0x00000200001fbdc0 in vorbis_analysis (vb=0x11ffff678, op=0x0)
>     at analysis.c:47
> #4  0x0000000120007930 in _init ()
> This warning occurs if you are debugging a function without any symbols
> (for example, in a stripped executable).  In that case, you may wish to
> increase the size of the search with the `set heuristic-fence-post' command.
> Otherwise, you told GDB there was a function where there isn't one, or
> (more likely) you have encountered a bug in GDB.
> (gdb) quit
> A debugging session is active.
> Do you still want to close the debugger?(y or n) 

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