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28 lines
809 B
Python
28 lines
809 B
Python
import numpy as np
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import GPy
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import warnings
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class TestMisc:
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"""
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Testing some utilities of misc
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"""
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def setup(self):
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self._lim_val = np.finfo(np.float64).max
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self._lim_val_exp = np.log(self._lim_val)
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def test_safe_exp_upper(self):
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self.setup()
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with warnings.catch_warnings(record=True) as w:
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warnings.simplefilter("always") # always print
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assert np.isfinite(np.exp(self._lim_val_exp))
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assert np.isinf(np.exp(self._lim_val_exp + 1))
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assert np.isfinite(GPy.util.misc.safe_exp(self._lim_val_exp + 1))
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print(w)
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print(len(w))
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assert len(w) <= 1 # should have one overflow warning
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def test_safe_exp_lower(self):
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assert GPy.util.misc.safe_exp(1e-10) < np.inf
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