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sign extend now generates the same output for 2.2.2 and 2.4.1 (python versions)

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Dave Schuyler 2005-04-30 02:59:32 +00:00
parent 866645f18c
commit 8580dddb60
1 changed files with 3 additions and 8 deletions
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11
direct/src/distributed/ClockDelta.py
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@ -311,14 +311,9 @@ class ClockDelta(DirectObject.DirectObject):
Preserves the lower NetworkTimeBits of the networkTime value,
and extends the sign bit all the way up.
"""
if 1:
r = ((networkTime & NetworkTimeMask) << NetworkTimeTopBits) >> NetworkTimeTopBits
else:
if networkTime < 0:
# flip the sign, mask it as if it were positive, flip the sign back:
r = (networkTime * -1 & NetworkTimeSignedMask) * -1
else:
r = networkTime & NetworkTimeSignedMask
# this may not be exacly what is wanted (it wraps the value), but
# it matches the output that the old code did with Python 2.2.2.
r = ((networkTime+32768) & NetworkTimeMask) - 32768
assert -32768 <= r <= 32767
return r