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Message-ID: <239849df-fbf3-95e5-f1bd-f1863d43fe8@esi.com.au>
Date: Sat, 11 Nov 2023 19:11:41 +1100 (AEDT)
From: Damian McGuckin <damianm@....com.au>
To: musl@...ts.openwall.com
Subject: Double Rounding in ....
hypot, hypotf, hypotl
and
scalbn, scalbnf, scalbnl
Does anybody have a good/clear explanation for how double rounding occurs
in the case of squaring-of/multiplication-by small numbers and how the
action taken in the code addresses that? Not sure if it needs to mention
FLT_EVAL_METHOD
because certainly the float and double versions of those routines are
written in terms of float_t and double_t respectively.
Thanks - Damian
Pacific Engineering Systems International ..... 20D Grose St, Glebe NSW 2037
Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted here
Views & opinions here are mine and not those of any past or present employer
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