[SciPy-user] scipy.test() hang up

Nils Wagner nwagner at mecha.uni-stuttgart.de
Fri Apr 23 01:56:45 CDT 2004


Pearu Peterson schrieb:
> 
> On Fri, 23 Apr 2004, Nils Wagner wrote:
> 
> > Dear experts,
> >
> > scipy.test() hang up in latest cvs 0.3.1_273.4274.
> >
> > ...Result may be inaccurate, approximate err = 1.60346233901e-11
> > .............................................Ties preclude use of exact
> > statistic.
> > ..Ties preclude use of exact statistic.
> > ................
> >
> > Any pointer for this behavior ?
> 
> I think it is cobyla test that hangs here. The reason is that gcc
> over-optimizes trstlp function in cobyla causing infinite loop, with no
> optimization this test passes ok.
> Also, I thought I have fixed it in CVS (try rebuilding everything from
> scratch). Now it works ok with gcc 3.3.3 here. What g77 version are you
> using?
> 
g77 -v
Reading specs from /usr/lib/gcc-lib/i586-suse-linux/3.3.1/specs
Konfiguriert mit: ../configure --enable-threads=posix --prefix=/usr
--with-local-prefix=/usr/local --infodir=/usr/share/info
--mandir=/usr/share/man --libdir=/usr/lib
--enable-languages=c,c++,f77,objc,java,ada --disable-checking
--enable-libgcj --with-gxx-include-dir=/usr/include/g++
--with-slibdir=/lib --with-system-zlib --enable-shared
--enable-__cxa_atexit i586-suse-linux
Thread model: posix
gcc-Version 3.3.1 (SuSE Linux)

Nils

> Pearu
> 
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