[Issue 21601] std.math : pow(float/double, -2) produces sometimes wrong result

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21601

--- Comment #1 from Berni44 <bugzilla at bernis-buecher.de> ---
Ups, should be "> 0.0" in the second test.

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