Date: Fri, 11 Apr 2014 17:47:54 +0200 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Subject: Re: Preparing for releases 1.1.0 and 1.0.1 * Morten Welinder <mwelinder@...il.com> [2014-04-11 11:17:00 -0400]: > > Yes but this leads to serious breakage if the compiler does not handle > > the request to drop precision in a conforming way, and it still > > doesn't help the fact that strtod depends on long double semantics. > > Are you sure? > > If the incoming number has at most 53 bits then there will be at most > 24 bits left after the 2^(1+28) reduction. The scalings by 10^9 = 2^9 * 5^9 > require at most log2(5^9) ~ 21 extra bits. > > That ought to fit in valgrind's double. formatting floats (other than %a) would work with the fixed rounding but scanning or strtod can't be fixed easily
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.