[Octave-bug-tracker] [bug #31881] mod fails test during make check

[Doug Stewart]

Follow-up Comment #5, bug #31881 (project octave):

Yes the patch fixes the tests.

The following is a summery of my setup and hardware.




 Lex libraries:               
  LIBS:                        -lm  

  AMD CPPFLAGS:                
  AMD LDFLAGS:                 
  AMD libraries:               -lamd
  ARPACK libraries:            -larpack
  BLAS libraries:              -lcblas -lf77blas -latlas
  CAMD CPPFLAGS:               
  CAMD LDFLAGS:                
  CAMD libraries:              -lcamd
  CARBON libraries:            
  CCOLAMD CPPFLAGS:            
  CCOLAMD LDFLAGS:             
  CCOLAMD libraries:           -lccolamd
  CHOLMOD CPPFLAGS:            
  CHOLMOD LDFLAGS:             
  CHOLMOD libraries:           -lcholmod
  COLAMD CPPFLAGS:             
  COLAMD LDFLAGS:              
  COLAMD libraries:            -lcolamd
  CURL CPPFLAGS:               
  CURL LDFLAGS:                
  CURL libraries:              -lcurl
  CXSPARSE CPPFLAGS:           
  CXSPARSE LDFLAGS:            
  CXSPARSE libraries:          -lcxsparse
  DL libraries:                -ldl
  FFTW3 CPPFLAGS:              
  FFTW3 LDFLAGS:               
  FFTW3 libraries:             -lfftw3
  FFTW3F CPPFLAGS:             
  FFTW3F LDFLAGS:              
  FFTW3F libraries:            -lfftw3f
  fontconfig CFLAGS:            
  fontconfig LIBS:             -lfontconfig  
  FT2_CFLAGS:                  -I/usr/include/freetype2
  FT2_LIBS:                    -lfreetype -lz
  GLPK CPPFLAGS:               
  GLPK LDFLAGS:                
  GLPK libraries:              -lglpk
  graphics CFLAGS:             -g -O2 -D_THREAD_SAFE -D_REENTRANT
  graphics LIBS:               -Wl,-Bsymbolic-functions -lfltk_gl -lfltk
  Magick++ CPPFLAGS:           -I/usr/include/GraphicsMagick  
  Magick++ LDFLAGS:             
  Magick++ libraries:          -lGraphicsMagick++ -lGraphicsMagick  
  HDF5 CPPFLAGS:               
  HDF5 LDFLAGS:                
  HDF5 libraries:              
  LAPACK libraries:            -llapack
  OPENGL libraries:            -lfontconfig   -L/usr/X11R6/lib -lGL -lGLU
  PTHREAD flags:               -pthread
  PTHREAD libraries:           
  QHULL CPPFLAGS:              
  QHULL LDFLAGS:               
  QHULL libraries:             -lqhull
  QRUPDATE libraries:          
  READLINE libraries:          -lreadline
  REGEX libraries:             -L/usr/lib -lpcre
  TERM libraries:              -lncurses
  UMFPACK libraries:           -lumfpack
  X11 include flags:           
  X11 libraries:               -lX11
  Z CPPFLAGS:                  
  Z LDFLAGS:                   
  Z libraries:                 -lz

  Default pager:               less
  gnuplot:                     gnuplot

  Do internal array bounds checking:  false
  Build static libraries:             false
  Build shared libraries:             true
  Dynamic Linking:                    true (dlopen)
  Include support for GNU readline:   true
  64-bit array dims and indexing:     false

configure: WARNING: qrupdate not found.  The QR & Cholesky updating functions
will be slow.
configure: WARNING: HDF5 library not found.  Octave will not be able to save
or load HDF5 data files.
configure: 
configure: NOTE: libraries may be skipped if a library is not found OR
configure: NOTE: if the library on your system is missing required features.
address@hidden:~/octave_dev/compiling/octave$ 

My Hardawe and OS is:

Ubuntu 10.04  Kernel Linux 2.6.32-26-generic  GNOME 2.30.2
CPU is:  AMD Athlon 64x2 5200+   2.0 GiB memory

The Tip I am using is:

address@hidden:~/octave_dev/compiling/octave$ hg tip
changeset:   11370:690181867e54
tag:         tip
user:        John W. Eaton <address@hidden>
date:        Wed Dec 15 03:18:44 2010 -0500
files:       src/ChangeLog
description:
ChangeLog fix

Befor the patch is applied:

>>>>> processing /home/doug/octave_dev/compiling/octave/src/data.cc
  ***** assert (mod (2.1, 0.1), 0)
!!!!! test failed
assert (mod (2.1, 0.1),0) expected
0
but got
 2.7756e-17
values do not match



after applying the patch and recompiling ( compile takes 42 min.) I got:

 test_switch.m .......................................... PASS    7/7   
  test_system.m .......................................... PASS   95/95  
  test_transpose.m ....................................... PASS    4/4   
  test_try.m ............................................. PASS   10/10  
  test_unwind.m .......................................... PASS    2/2   
  test_while.m ........................................... PASS    5/5   

Summary:

  PASS   6630
  FAIL      0

There was 1 expected failure (see fntests.log for details).


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