[Issue 22502] Potential error where std.internal.math.gammafunction.betaIncompleteInv gives different results from Wolfram Alpha for parameters aa and bb being half integer and yy0 being 0.025.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22502

--- Comment #2 from alex at dengenius.com ---
(In reply to kinke from comment #1)
> `+1/2` adds a `0` integer. With `+0.5`, the results should match.

Awesome, thank you!  I figured I was doing something stupid.

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