[Issue 2973] std.math.pow(int, int), etc.

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=2973





--- Comment #4 from Andrei Alexandrescu <andrei at metalanguage.com>  2009-07-21 20:15:20 PDT ---
(In reply to comment #3)
> Couldn't you just stick an assert in there to make sure it doesn't wrap around?
>  I haven't tested, but I would think that even in debug mode, this would be
> faster than using the float version.

1. Please test. What powers are you looking at? For most bases and most
exponents the result will go off range.

2. I prefer returning a floating point number instead of attempting to return
an integer and failing dynamically, all for a doubtful speed benefit.

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