http://llvm.org/bugs/show_bug.cgi?id=20843
Bug ID: 20843
Summary: binomial_distribution<unsigned> is broken.
Product: libc++
Version: 3.4
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
The binomial_distribution class from <random> must allow any of the following
types as result_type, required by the c++ standard: short, int, long, long
long, unsigned short, unsigned int, unsigned long, or unsigned long long.
However, when binomial_distribution<unsigned> is used, it will often return
values outside of its supposed range, which are in fact -2 casted to the
unsigned type.
Note that using unsigned types with binomial_distribution makes sense, because
its result must never be negative.
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