Re: (default) Real->Rat precision should match what compiler uses for literals

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Max precision rapidly becomes more memory requires than your computer has.

On Sat, Mar 3, 2018 at 3:32 PM, yary <[email protected]> wrote:

> Or instead of 1/2**(32 or 64), re-asking these questions about epsilon:
>
> "  Why so large?
>
>    Why not zero?  "
>
> What's justification for using 1/100,000 vs. something smaller vs. 0 "max
> possible precision?"
>



-- 
brandon s allbery kf8nh                               sine nomine associates
[email protected]                                  [email protected]
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net

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<div dir=3D"ltr">Max precision rapidly becomes more memory requires than yo=
ur computer has.</div><div class=3D"gmail_extra"><br><div class=3D"gmail_qu=
ote">On Sat, Mar 3, 2018 at 3:32 PM, yary <span dir=3D"ltr">&lt;<a href=3D"=
mailto:[email protected]" target=3D"_blank">[email protected]</a>&gt;</span=
> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>Or instead=
 of 1/2**(32 or 64), re-asking these questions about epsilon:<br><br>&quot;=
=C2=A0 Why so large?<br>
<br>=C2=A0=C2=A0
Why not zero?=C2=A0 &quot;<br>
<br></div>What&#39;s justification for using 1/100,000 vs. something smalle=
r vs. 0 &quot;max possible precision?&quot;<br></div>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><d=
iv>brandon s allbery kf8nh =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 sine nomine associ=
ates</div><div><a href=3D"mailto:[email protected]" target=3D"_blank">all=
[email protected]</a> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=
=3D"mailto:[email protected]" target=3D"_blank">[email protected]=
et</a></div><div>unix, openafs, kerberos, infrastructure, xmonad =C2=A0 =C2=
=A0 =C2=A0 =C2=A0<a href=3D"http://sinenomine.net" target=3D"_blank">http:/=
/sinenomine.net</a></div></div></div>
</div>

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