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* Added MathWarning for mathematics-related warning messages.

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Wirawan Purwanto
2014-03-28 14:29:10 -04:00
parent 04e78ade1d
commit 3b0a8af1aa
1 changed files with 8 additions and 0 deletions
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8
math/__init__.py
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@@ -8,8 +8,16 @@ pass
import numpy import numpy
class MathWarning(Warning):
"""Base class for mathematics-related warnings for wpylib library.
"""
ZERO_TOL = 5.0e-16 ZERO_TOL = 5.0e-16
def ztol(val, tol=None, copy=True): def ztol(val, tol=None, copy=True):
"""Rounds down values to zero if they are below tolerance.""" """Rounds down values to zero if they are below tolerance."""
if tol == None: tol = ZERO_TOL if tol == None: tol = ZERO_TOL