Akira Kitada <[EMAIL PROTECTED]> added the comment: Here's the output of configure. Just as Mark said, it looks this is due to a libm bug.
""" $ grep tanh config.log configure:22062: checking whether tanh preserves the sign of zero | and tanh(-0.) == -0. */ | atan2(tanh(-0.), -1.) == atan2(-0., -1.)) exit(0); configure:22261: checking for atanh ac_cv_func_atanh=yes ac_cv_tanh_preserves_zero_sign=no """ _______________________________________ Python tracker <[EMAIL PROTECTED]> <http://bugs.python.org/issue4204> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com