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Be explicit about corner cases for llFrand.

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inf and nan already did the right thing in Python, but just in case that doesn't happen in all platforms, we handle them explicitly. Also, that will make it more immune to bugs in future.
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Sei Lisa 2016-12-21 21:49:43 +01:00
parent 2327613423
commit fc97ce42df
1 changed files with 5 additions and 0 deletions
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5
lslopt/lslbasefuncs.py
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@ -1058,6 +1058,11 @@ if lslcommon.IsCalc:
import random import random
def llFrand(lim): def llFrand(lim):
assert isfloat(lim) assert isfloat(lim)
if math.isinf(lim):
return 0.
if math.isnan(lim):
return lim
lim = F32(lim) # apply constraints lim = F32(lim) # apply constraints
val = random.random() * lim val = random.random() * lim
# Truncate, rather than rounding # Truncate, rather than rounding