| From: | Noah Misch <noah(at)leadboat(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Proposal: Trigonometric functions in degrees |
| Date: | 2016-01-23 22:55:06 |
| Message-ID: | 20160123225506.GB3691823@tornado.leadboat.com |
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| Lists: | pgsql-hackers |
On Sat, Jan 23, 2016 at 05:04:56PM -0500, Tom Lane wrote:
> Noah Misch <noah(at)leadboat(dot)com> writes:
> > To reliably produce exact answers, this code must delay all trigonometric
> > calculations to runtime. On sungazer, the float8 test happens to pass if I
> > rebuild float.c with -fno-builtin-sin; that leaves calls like acos(0.5) and
> > cos(60.0 * RADIANS_PER_DEGREE) unprotected, though.
>
> Either I missed something or there's another issue, because tern/sungazer
> are *still* failing. This is getting annoying :-(
sungazer's "make check" passes if I change init_degree_constants() to be
non-static. Duping gcc isn't so easy these days.
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