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Re: Constant math functions in Fortran.

To: Richard Henderson <rth at cygnus dot com>
Subject: Re: Constant math functions in Fortran.
From: Toon Moene <toon at moene dot indiv dot nluug dot nl>
Date: Sun, 16 Jul 2000 11:49:17 +0200
CC: gcc at gcc dot gnu dot org
Organization: Moene Computational Physics, Maartensdijk, The Netherlands
References: <396B0B05.AF2AACFB@moene.indiv.nluug.nl> <396DBB43.E8E8268D@moene.indiv.nluug.nl> <3970A7D8.F021E2EF@moene.indiv.nluug.nl> <20000715155029.A3202@cygnus.com>

Richard Henderson wrote:
> 
> On Sat, Jul 15, 2000 at 08:05:12PM +0200, I wrote:

> > Fortunately, calls to a lot of (g)libc routines are encoded directly by
> > the FFE - these take their arguments by value, so can be regarded as to
> > be really, really "const".
> 
> Careful -- most of these functions are not marked const in glibc
> because of the possibility of changing rounding modes in between.
> But that may not be an issue for you...

No, that won't be a problem until we implement a F2K compiler - but
thanks for notifying me; we might need this information some day ...

-- 
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
GNU Fortran 95: http://g95.sourceforge.net/ (under construction)

References:
- Array bound checking in Fortran and its "abort" routine.
  - From: Toon Moene
- Re: Array bound checking in Fortran and its "abort" routine.
  - From: Toon Moene
- Constant math functions in Fortran.
  - From: Toon Moene
- Re: Constant math functions in Fortran.
  - From: Richard Henderson

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