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Re: [Bug-gsl] SV decomp failure
From: |
Rhys Ulerich |
Subject: |
Re: [Bug-gsl] SV decomp failure |
Date: |
Tue, 18 Sep 2012 10:16:59 -0500 |
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]
- [Bug-gsl] SV decomp failure, Peter Lelievre, 2012/09/13
- Re: [Bug-gsl] SV decomp failure, Rhys Ulerich, 2012/09/17
- Re: [Bug-gsl] SV decomp failure, Peter Lelievre, 2012/09/18
- Re: [Bug-gsl] SV decomp failure,
Rhys Ulerich <=
- Re: [Bug-gsl] SV decomp failure, Peter Lelievre, 2012/09/18
- Re: [Bug-gsl] SV decomp failure, Rhys Ulerich, 2012/09/18
- Re: [Bug-gsl] SV decomp failure, Peter Lelievre, 2012/09/18
- Re: [Bug-gsl] SV decomp failure, Rhys Ulerich, 2012/09/18
- Re: [Bug-gsl] SV decomp failure, Peter Lelievre, 2012/09/18