Le vendredi 15 octobre 2010, Sébastien Barthélemy a écrit : > Hello all, Hi Seb
> I use doctest for examples and tests in a program which relies heavily > on numpy. As floating point calculations differs slightly across > computers (32/64 bits), I have troubles writing portable doctests. > The doctest documentation [1] advises to use numbers in the form > int/2**n. This is quite restrictive. > > Using numpy.set_printoptions(suppress=True) also helps, but I still > have problems with numbers around 0. On some platform a result prints > as 0., on others as -0. > > Is there a workaround? Maybe you should not rely on doctest to do the comparison between computed and expected result. You could use assert_* functions from http://docs.scipy.org/doc/numpy/reference/routines.testing.html if your results are numpy objects. assert_almost_equal and assert_approx_equal are quite powerful! Fab _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
