Source code for GPy.testing.misc_tests

from __future__ import print_function
import numpy as np
import scipy as sp
import GPy
import warnings

[docs]class MiscTests(np.testing.TestCase): """ Testing some utilities of misc """
[docs] def setUp(self): self._lim_val = np.finfo(np.float64).max self._lim_val_exp = np.log(self._lim_val)
[docs] def test_safe_exp_upper(self): with warnings.catch_warnings(record=True) as w: warnings.simplefilter('always') # always print assert np.isfinite(np.exp(self._lim_val_exp)) assert np.isinf(np.exp(self._lim_val_exp + 1)) assert np.isfinite(GPy.util.misc.safe_exp(self._lim_val_exp + 1)) print(w) print(len(w)) assert len(w)<=1 # should have one overflow warning
[docs] def test_safe_exp_lower(self): assert GPy.util.misc.safe_exp(1e-10) < np.inf