AbstractIntegerDistribution cumulativeProbablitity(int, int) implementation
does not match API documentation
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Key: MATH-587
URL: https://issues.apache.org/jira/browse/MATH-587
Project: Commons Math
Issue Type: Bug
Reporter: Phil Steitz
The documentation for this method says it computes p(x0 < X < x1), but the
parameter documentation inconsistently states that the bounds are "inclusive"
and what it actually returns is
{code}
cumulativeProbability(x1) - cumulativeProbability(x0 - 1);
{code}
which is p(x0-1 <= X < x1).
In the code above, x0 - 1 should be replaced by x0 + 1.
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