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Casting to a constrained subtype doesn't make much sense for left shift

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--HG--
branch : 0.8-dev
This commit is contained in:
Jan Decaluwe 2013-05-01 14:29:27 +02:00
parent 2c9ddf1223
commit 65730d0a90
1 changed files with 5 additions and 7 deletions
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12
myhdl/_intbv.py
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@ -1,7 +1,7 @@
# This file is part of the myhdl library, a Python package for using
# Python as a Hardware Description Language.
#
# Copyright (C) 2003-2011 Jan Decaluwe
# Copyright (C) 2003-2013 Jan Decaluwe
#
# The myhdl library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License as
@ -97,16 +97,14 @@ class intbv(object):
# copy methods
def __copy__(self):
c = type(self)()
c._val = self._val
c = type(self)(self._val)
c._min = self._min
c._max = self._max
c._nrbits = self._nrbits
return c
def __deepcopy__(self, visit):
c = type(self)()
c._val = self._val
c = type(self)(self._val)
c._min = self._min
c._max = self._max
c._nrbits = self._nrbits
@ -267,9 +265,9 @@ class intbv(object):
def __lshift__(self, other):
if isinstance(other, intbv):
return type(self)(long(self._val) << other._val)
return intbv(long(self._val) << other._val)
else:
return type(self)(long(self._val) << other)
return intbv(long(self._val) << other)
def __rlshift__(self, other):
return other << self._val