--- Comment #15 from simon dot fenney at imgtec dot com 2010-03-24 14:34
---
Thanks. I'll go back to the glibc bugzilla.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43490
--- Comment #12 from simon dot fenney at imgtec dot com 2010-03-24 13:18
---
(In reply to comment #11)
> (In reply to comment #10)
> and I have just tested a value ~2^7 and got the following
Sorry I meant to say ~2^30
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43490
--- Comment #11 from simon dot fenney at imgtec dot com 2010-03-24 13:16
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(In reply to comment #10)
> Both sin and sinf are assembly routines so can't probably be affected by
> the gcc used to compile them. See sysdeps/i386/fpu/s_sinf.S and
> sysdeps/i386/fpu/s_sin.
--- Comment #9 from simon dot fenney at imgtec dot com 2010-03-24 12:19
---
(In reply to comment #7)
> This is a glibc problem. Confirmed by LD_PRELOADing a different libm which
> makes it work.
>
> Please report to glibc bugzilla instead.
>
The glibc team are sayi
--- Comment #8 from simon dot fenney at imgtec dot com 2010-03-23 13:37
---
(In reply to comment #6)
> you can test two different implementations:
> 1). '-O2 -m32 -fno-builtin' - force libm.so calls and test libc
> implementation.
> 2). '-O2 -m32' to
--- Comment #5 from simon dot fenney at imgtec dot com 2010-03-23 13:10
---
(In reply to comment #4)
> > BUT sin(x) becomes progressively more inaccurate with increasing magnitude
> > of
> > x, as with the above version (on x86). At a guess, it would seem like
>
--- Comment #3 from simon dot fenney at imgtec dot com 2010-03-23 12:20
---
(In reply to comment #2)
> duplicate of PR43405.
>
It's doesn't seem to be the same. I just tried the test source from 43405 and
on the old system (gcc 3.4.6) (which I assumed
--- Comment #1 from simon dot fenney at imgtec dot com 2010-03-23 12:06
---
Created an attachment (id=20168)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20168&action=view)
Trivial test program that outputs sin(x) and sinf(x) for various vals VS
expected results
I haven&
large x
Product: gcc
Version: 4.4.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: simon dot fenney at imgtec dot com
GCC build triplet: ???
GC
