Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 10 Apr 2012 09:02:00 -0400
From: Rich Felker <>
Subject: Re: float scanner status, upcoming release

On Tue, Apr 10, 2012 at 02:15:15PM +0200, Szabolcs Nagy wrote:
> * Rich Felker <> [2012-04-09 20:48:19 -0400]:
> > Revised version of the code, in preparation to integrate with musl.
> > Still needs hex float support, and I want to eliminate the fscanf
> > dependency. Comments welcome.
> > 
> this one fails if the number starts with a .
> ../floatscan .3

This is a bug in the wrapper code before it gets to decfloat() and
it's easily fixed.

> large exponent is slow:
> ../floatscan 1e+1000000
> ../floatscan 1e-1000000

I added code that collapses large and tiny exponents to infinity and
zero, but the max LD exponent is still rather slow...

> subnormal tests still fail
> here are some test cases where many digits are needed for correct rounding:

Indeed. Thanks for the tests. I'll see what I can make of it.


Powered by blists - more mailing lists

Your e-mail address:

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.