Re: [Bug-gsl] SV decomp failure

[Peter Lelievre]

Hi again. I performed the following and the log file (attached) shows no 
failures.

make clean
export CFLAGS="-O0 -g"
./configure --disable-shared --disable-dependency-tracking
make
make check > log 2>&1

Peter



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log
Description: Binary data

On 2012-09-18, at 12:16 PM, Rhys Ulerich wrote:

> Hi all,
> 
> The first error in Peter's log file follows.  Any ideas?  Is anyone
> aware of SVD gotchas on whatever stale version of GCC Apple sees fit
> to ship with OS X 10.7.4?
> 
> Peter, could you try configuring a debug version (use 'export
> CFLAGS="-O0 -g"' prior to configure) to see if you get the same
> failure from 'make check' within the linalg directory?
> 
> - Rhys
> 
> Making check in linalg
> make  test
> gcc -DHAVE_CONFIG_H -I. -I.. -I..    -g -O2 -c test.c
> /bin/sh ../libtool --tag=CC   --mode=link gcc  -g -O2   -o test test.o
> libgsllinalg.la ../blas/libgslblas.la ../cblas/libgslcblas.la
> ../permutation/libgslpermutation.la ../matrix/libgslmatrix.la
> ../vector/libgslvector.la ../block/libgslblock.la
> ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la
> ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la
> ../utils/libutils.la -lm
> libtool: link: gcc -g -O2 -o test test.o  ./.libs/libgsllinalg.a
> ../blas/.libs/libgslblas.a ../cblas/.libs/libgslcblas.a
> ../permutation/.libs/libgslpermutation.a
> ../matrix/.libs/libgslmatrix.a ../vector/.libs/libgslvector.a
> ../block/.libs/libgslblock.a ../complex/.libs/libgslcomplex.a
> ../ieee-utils/.libs/libgslieeeutils.a ../err/.libs/libgslerr.a
> ../test/.libs/libgsltest.a ../sys/.libs/libgslsys.a
> ../utils/.libs/libutils.a -lm
> make  check-TESTS
> (caught [svd.c:149: SVD decomposition failed to converge (11)])
> returned error code 11 = exceeded max number of iterations
> singular value 0 =                     -1 < 0
> singular value 1 =                      0 vs previous                     -1
> singular value 2 =    17.3205080756888137 vs previous                      0
> (  3,  3)[0,2]:    15.2508026013158453                        0
> (  3,  3)[1,2]:    8.21054322293596961                        1
> (  3,  3)[2,1]:                      0                        1
> FAIL:   SV_decomp (3x3) A=[ 0, 0, 0; 0, 0, 1; 1, 1, 0] [852]