scipy error undefined symbol: lsame_
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From: gerardob on 19 Apr 2010 13:15 I installed scipy (and all the required libraries) and the following error appears when i tried run a simple example which uses the optimize package of scipy. I tried also numpy alone and it works ( at least for printing numpy.array([10,20,10])) error: Traceback (most recent call last): File "main_test.py", line 2, in <module> from scipy import optimize File "/home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/__init__.py", line 11, in <module> from lbfgsb import fmin_l_bfgs_b File "/home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/lbfgsb.py", line 30, in <module> import _lbfgsb ImportError: /home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/_lbfgsb.so: undefined symbol: lsame_ gberbeglia(a)actarus:~/python/mycodes> Any ideas on how to solve this problem? Thanks. PS: the example is below: import numpy from scipy import optimize a = numpy.array([10,20,10]) print a def f_(x): return x*x x,f,d = optimize.fmin_l_bfgs_b(f_,[0.1],fprime=None, approx_grad = True, bounds = [(-10000,10000)], iprint=30, maxfun=150000) -- View this message in context: http://old.nabble.com/scipy-error-undefined-symbol%3A-lsame_-tp28287715p28287715.html Sent from the Python - python-list mailing list archive at Nabble.com.
From: Joaquin Abian on 19 Apr 2010 13:38 On Apr 19, 7:15 pm, gerardob <gberbeg...(a)gmail.com> wrote: > I installed scipy (and all the required libraries) and the following error > appears when i tried run a simple example which uses the optimize package of > scipy. I tried also numpy alone and it works ( at least for printing > numpy.array([10,20,10])) > > error: > > Traceback (most recent call last): > File "main_test.py", line 2, in <module> > from scipy import optimize > File > "/home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/__init__.py", > line 11, in <module> > from lbfgsb import fmin_l_bfgs_b > File > "/home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/lbfgsb.py", > line 30, in <module> > import _lbfgsb > ImportError: > /home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/_lbfgsb.so: > undefined symbol: lsame_ > gberbeglia(a)actarus:~/python/mycodes> > > Any ideas on how to solve this problem? Thanks. > > PS: the example is below: > > import numpy > from scipy import optimize > > a = numpy.array([10,20,10]) > print a > > def f_(x): > return x*x > > x,f,d = optimize.fmin_l_bfgs_b(f_,[0.1],fprime=None, approx_grad = True, > bounds = [(-10000,10000)], iprint=30, maxfun=150000) > > -- > View this message in context:http://old.nabble.com/scipy-error-undefined-symbol%3A-lsame_-tp282877... > Sent from the Python - python-list mailing list archive at Nabble.com. Um... The snip works perfect on my computer. Just copy and paste. What libraries are you talking about you had to download? Are you on windows or linux? On windows you dont need to download anything but numpy and scipy packages. joaquin
From: Robert Kern on 19 Apr 2010 15:16
On 4/19/10 12:15 PM, gerardob wrote: > > I installed scipy (and all the required libraries) and the following error > appears when i tried run a simple example which uses the optimize package of > scipy. I tried also numpy alone and it works ( at least for printing > numpy.array([10,20,10])) > > error: > > Traceback (most recent call last): > File "main_test.py", line 2, in<module> > from scipy import optimize > File > "/home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/__init__.py", > line 11, in<module> > from lbfgsb import fmin_l_bfgs_b > File > "/home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/lbfgsb.py", > line 30, in<module> > import _lbfgsb > ImportError: > /home/gberbeglia/python/Python-2.6.5/lib/python2.6/site-packages/scipy/optimize/_lbfgsb.so: > undefined symbol: lsame_ This is a FORTRAN symbol. It means that this extension module was not linked correctly to the FORTRAN standard library appropriate for your system. If you need more help, please ask scipy questions on the scipy mailing list. http://www.scipy.org/Mailing_Lists -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco |