New math library from ARM
sgk at troutmask.apl.washington.edu
Mon Dec 31 15:22:32 UTC 2018
On Mon, Dec 31, 2018 at 07:19:04AM -0800, Steve Kargl wrote:
> On Mon, Dec 31, 2018 at 10:06:57AM -0500, Pedro Giffuni wrote:
> > Hi;
> > Just noted a recent initiative from musl-libc:
> > https://www.openwall.com/lists/musl/2018/12/08/1
> > It appears they plan to replace their (FreeBSD) math code with a new ARM
> > implementation:
> > https://github.com/ARM-software/optimized-routines
> The Copyright on this code is unclear. For example, in
> single/e_rem_pio2.c lines 1-6:
> * e_rem_pio2.c
> * Copyright (c) 1999-2018, Arm Limited.
> * SPDX-License-Identifier: MIT
> Then lines 16-18:
> * Simple cases: all nicked from the fdlibm version for speed.
> The original fdlibm licenses applies ot the nicked lines.
There is also some interesting uses of float literal constants
with 80 digits when at most 9 are relevant.
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