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added an __iadd__, __isub__ to zero class

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Lindsey Heagy
2015-11-24 10:05:28 -08:00
parent 815311bfec
commit f3fb1e6481
2 changed files with 9 additions and 0 deletions
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SimPEG/Utils/matutils.py
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@@ -399,8 +399,10 @@ def diagEst(matFun, n, k=None, approach='Probing'):
class Zero(object):
def __add__(self, v):return v
def __radd__(self, v):return v
def __iadd__(self, v):return v
def __sub__(self, v):return -v
def __rsub__(self, v):return v
def __isub__(self, v):return v
def __mul__(self, v):return self
def __rmul__(self, v):return self
def __div__(self, v): return self