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Re: OpenSolaris - update - audio check


From: Jim Langston
Subject: Re: OpenSolaris - update - audio check
Date: Thu, 22 Jan 2009 10:19:46 -0500
User-agent: Thunderbird 2.0.0.17 (X11/20081023)

I have gotten a patch for the underflow loop from the compiler
engineers, the underflow no longer hangs, so the tests have been able
to proceed, here are the results, any thoughts ??

Thanks,

Jim

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

address@hidden:~/OCTAVE/octave-3.0.3$ gmake check
gmake -f octMakefile check
gmake[1]: Entering directory `/export/home/langston/OCTAVE/octave-3.0.3'
gmake -C test check
gmake[2]: Entering directory `/export/home/langston/OCTAVE/octave-3.0.3/test'
../run-octave --norc --silent --no-history ./fntests.m .

Integrated test scripts:

  src/DLD-FUNCTIONS/bsxfun.cc ............................ PASS   55/55 
  src/DLD-FUNCTIONS/cellfun.cc ........................... PASS   31/31 
  src/DLD-FUNCTIONS/conv2.cc ............................. PASS    1/1  
  src/DLD-FUNCTIONS/dispatch.cc .......................... PASS   13/13 
  src/DLD-FUNCTIONS/fft.cc ............................... PASS    9/9  
  src/DLD-FUNCTIONS/fsolve.cc ............................ PASS    4/4  
  src/DLD-FUNCTIONS/luinc.cc .............................
  src/DLD-FUNCTIONS/matrix_type.cc ....................... PASS   51/51 
  src/DLD-FUNCTIONS/max.cc ............................... PASS   12/12 
  src/DLD-FUNCTIONS/rand.cc .............................. PASS   57/57 
  src/DLD-FUNCTIONS/regexp.cc ............................ PASS   90/90 
  src/DLD-FUNCTIONS/spkron.cc ............................ PASS    2/2  
  src/DLD-FUNCTIONS/spqr.cc .............................. PASS    2/2  
  src/DLD-FUNCTIONS/tsearch.cc ........................... PASS    6/6  
  src/data.cc ............................................ PASS   10/20   FAIL 10
  src/ov-fcn-handle.cc ................................... PASS    3/3  
  src/ov-struct.cc ....................................... PASS   16/16 
  src/pt-idx.cc .......................................... PASS    5/5  
  src/strfns.cc .......................................... PASS   22/22 
  src/syscalls.cc ........................................ PASS    1/1  
  liboctave/CMatrix.cc ................................... PASS    6/6  
  liboctave/dMatrix.cc ................................... PASS    6/6  
  scripts/audio/wavwrite.m ............................... PASS    0/3    FAIL 3
  scripts/elfun/acosd.m .................................. PASS    3/3  
  scripts/elfun/acotd.m .................................. PASS    3/3  
  scripts/elfun/acscd.m .................................. PASS    3/3  
  scripts/elfun/asecd.m .................................. PASS    3/3  
  scripts/elfun/asind.m .................................. PASS    3/3  
  scripts/elfun/atand.m .................................. PASS    3/3  
  scripts/elfun/cosd.m ................................... PASS    5/5  
  scripts/elfun/cotd.m ................................... PASS    5/5  
  scripts/elfun/cscd.m ................................... PASS    5/5  
  scripts/elfun/secd.m ................................... PASS    5/5  
  scripts/elfun/sind.m ................................... PASS    5/5  
  scripts/elfun/tand.m ................................... PASS    5/5  
  scripts/general/__isequal__.m .......................... PASS   26/26 
  scripts/general/accumarray.m ........................... PASS   11/11 
  scripts/general/arrayfun.m ............................. PASS    1/1  
  scripts/general/bitcmp.m ............................... PASS   15/15 
  scripts/general/blkdiag.m .............................. PASS    8/8  
  scripts/general/cell2mat.m ............................. PASS    2/2  
  scripts/general/circshift.m ............................ PASS    4/4  
  scripts/general/cplxpair.m ............................. PASS   13/13 
  scripts/general/cumtrapz.m ............................. PASS    6/6  
  scripts/general/deal.m ................................. PASS    2/2  
  scripts/general/interp1.m .............................. PASS  144/144
  scripts/general/interp2.m .............................. PASS    6/6  
  scripts/general/interp3.m .............................. PASS    1/1  
  scripts/general/interpft.m ............................. PASS    2/5    FAIL 3
  scripts/general/issymmetric.m .......................... PASS   11/12   FAIL 1
  scripts/general/logical.m .............................. PASS    8/8  
  scripts/general/lookup.m ............................... PASS   13/13 
  scripts/general/mod.m .................................. PASS   25/25 
  scripts/general/nthroot.m .............................. PASS    3/3  
  scripts/general/polyarea.m ............................. PASS    4/4  
  scripts/general/rem.m .................................. PASS    4/4  
  scripts/general/repmat.m ............................... PASS   16/16 
  scripts/general/runlength.m ............................ PASS    1/1  
  scripts/general/sortrows.m ............................. PASS    2/2  
  scripts/general/structfun.m ............................ PASS    1/1  
  scripts/general/sub2ind.m .............................. PASS   24/24 
  scripts/general/trapz.m ................................ PASS    6/6  
  scripts/geometry/convhull.m ............................ PASS    0/1    FAIL 1
  scripts/geometry/delaunay.m ............................ PASS    0/1    FAIL 1
  scripts/geometry/delaunay3.m ........................... PASS    0/1    FAIL 1
  scripts/geometry/dsearch.m ............................. PASS    2/2  
  scripts/geometry/dsearchn.m ............................ PASS    6/6  
  scripts/geometry/griddata.m ............................ PASS    0/1    FAIL 1
  scripts/geometry/griddata3.m ........................... PASS    0/2    FAIL 2
  scripts/geometry/griddatan.m ........................... PASS    0/2    FAIL 2
  scripts/geometry/tsearchn.m ............................ PASS    5/5  
  scripts/image/imshow.m ................................. PASS    3/3  
  scripts/linear-algebra/cond.m .......................... PASS    5/5  
  scripts/linear-algebra/condest.m ....................... PASS    0/4    FAIL 4
  scripts/linear-algebra/onenormest.m .................... PASS    0/4    FAIL 4
  scripts/miscellaneous/bincoeff.m ....................... PASS    3/3  
  scripts/miscellaneous/compare_versions.m ............... PASS   30/30 
  scripts/miscellaneous/fullfile.m ....................... PASS   19/19 
  scripts/miscellaneous/getfield.m ....................... PASS    2/2  
  scripts/miscellaneous/inputname.m ...................... PASS    2/2  
  scripts/miscellaneous/setfield.m ....................... PASS    2/2  
  scripts/miscellaneous/substruct.m ...................... PASS    6/6  
  scripts/plot/hist.m .................................... PASS    7/7  
  scripts/plot/orient.m .................................. PASS    7/7  
  scripts/polynomial/pchip.m ............................. PASS    7/7  
  scripts/polynomial/residue.m ........................... PASS    4/4  
  scripts/polynomial/spline.m ............................ PASS   16/16 
  scripts/set/intersect.m ................................ PASS    1/1  
  scripts/set/ismember.m ................................. PASS   31/31 
  scripts/set/setdiff.m .................................. PASS    7/7  
  scripts/set/setxor.m ................................... PASS    1/1  
  scripts/set/unique.m ................................... PASS    9/9  
  scripts/signal/detrend.m ............................... PASS    3/3  
  scripts/signal/freqz.m ................................. PASS    3/3  
  scripts/signal/sinetone.m .............................. PASS    1/1  
  scripts/sparse/nonzeros.m .............................. PASS    2/2  
  scripts/sparse/pcg.m ................................... PASS    0/4    FAIL 4
  scripts/sparse/pcr.m ................................... PASS    0/3    FAIL 3
  scripts/sparse/speye.m ................................. PASS    5/5  
  scripts/sparse/spfun.m ................................. PASS    4/4  
  scripts/sparse/spones.m ................................ PASS    3/3  
  scripts/sparse/spstats.m ............................... PASS    1/1  
  scripts/specfun/betaln.m ............................... PASS    3/3  
  scripts/specfun/factorial.m ............................ PASS    5/5  
  scripts/specfun/legendre.m ............................. PASS    1/1  
  scripts/special-matrix/hadamard.m ...................... PASS    2/3    FAIL 1
  scripts/special-matrix/hankel.m ........................ PASS    5/5  
  scripts/special-matrix/magic.m ......................... PASS    3/4    FAIL 1
  scripts/statistics/base/mode.m ......................... PASS   12/12 
  scripts/statistics/distributions/binornd.m ............. PASS    2/2  
  scripts/statistics/tests/kruskal_wallis_test.m ......... PASS    1/1  
  scripts/strings/blanks.m ............................... PASS    3/3  
  scripts/strings/dec2base.m ............................. PASS    4/4  
  scripts/strings/index.m ................................ PASS   10/10 
  scripts/strings/mat2str.m .............................. PASS    3/3  
  scripts/strings/strcat.m ............................... PASS    3/3  
  scripts/strings/strtok.m ............................... PASS   26/26 
  scripts/strings/strvcat.m .............................. PASS    3/3  
  scripts/testfun/assert.m ............................... PASS   55/55 
  scripts/testfun/example.m .............................. PASS    4/4  
  scripts/testfun/test.m ................................. PASS   46/46 
  scripts/time/calendar.m ................................ PASS    2/2  
  scripts/time/datenum.m ................................. PASS    6/6  
  scripts/time/datestr.m ................................. PASS   32/32 
  scripts/time/datevec.m ................................. PASS   11/11 
  scripts/time/eomday.m .................................. PASS   11/11 
  scripts/time/etime.m ................................... PASS    5/5  
  scripts/time/weekday.m ................................. PASS   19/19 

Fixed test scripts:

error: `xf' undefined near line 100 column 14


gmake[2]: Leaving directory `/export/home/langston/OCTAVE/octave-3.0.3/test'
gmake[1]: Leaving directory `/export/home/langston/OCTAVE/octave-3.0.3'
address@hidden:~/OCTAVE/octave-3.0.3$

////////////////////////////////////////////////////////////////////////////////

Jim Langston wrote:
Hi John,

Thanks, I have been looking at this from a couple of
directions, the first, that there is a bug in the Studio
compiler, which is forcing the underflow to loop, the
second, from the Apache C++ stdlib perspective, which
is where most of the dialog is coming from. From what
I understand, if underflow is handled via an underflow method,
then a buffer space must be set up to deal with the stream,
otherwise, the state is unknown. I understand what underflow
is trying to do, which I thought was fine, but the Apache C++
engineer seemed adamant that the buffer must be handled
in the way he was prescribing. I have not looked into re-writing the
underflow method, that is, not until I get feedback from the Sun compiler
engineers on a possible bug.

I was also thinking of trying to re-compile everything with Apache C++ 
stdlib
to see if what the engineer thought would happen, does. But, I have not
done so yet.

Thanks,

Jim

/////////////////////

 John W. Eaton wrote:
  
On  5-Dec-2008, Jim Langston wrote:

| Could someone take a look at the dialog I've been having
| with the Sun Developer Forum on underflow, this has to do
| with what is happening with reading audio files and what
| feedback I'm getting back on the forum.
| 
| http://forums.sun.com/thread.jspa?messageID=10533624
| 
| I would appreciate any thoughts on a possible solution

If I understand correctly from that thread you are saying that there
may be a bug in the way Octave's c_file_ptr_buf class is implemented.
It's certainly possible that there is a bug, but I don't know enough
about how these functions are supposed to work.  I admit to simply
copying and modifying some libstdc++ code to create the c_file_ptr_buf
class, so I didn't really understand it fully when I wrote it, but it
seemed to work properly (back in the day, there wasn't exactly much
documentation for the stream library internals...).  I don't object to
changing the c_file_ptr_buf class, but before making changes I'd like
to have some definitive statement about what the proper implementation
is.

jwe
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-- 
/////////////////////////////////////////////

Jim Langston
Sun Microsystems, Inc.

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