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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.lang.fortran
Subject: Re: Angle Units For Trig Functions
Date: Tue, 22 Oct 2024 04:26:59 -0000 (UTC)
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On Sun, 20 Oct 2024 05:35:25 -0000 (UTC), Steven G. Kargl wrote:

> % gfcx -o z a.f90 && ./z 0.500000000      0.500089288
> 
> One of these values is exact, and one of these raises FE_INEXACT.

Does it work for 29° and 31° as well? What’s so special about 30°?