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Date: Sat, 15 Dec 2001 01:22:25 +0200 (WET)
From: Andris Pavenis <pavenis AT lanet DOT lv>
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To: =?windows-1257?Q?Ari-Matti_Lepp=E4nen?= <ari-matti DOT leppanen AT tut DOT fi>
Cc: djgpp AT delorie DOT com
Subject: Re: Compiling problem (cmath)
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On Fri, 14 Dec 2001, Ari-Matti Leppänen wrote:

> Hi
> 
> I'm compiling with gcc 3.0.2. With the following command line I get 17
> undeclared functions in std_cmath.h. Any advice?
> 
> --- cut ----
> gcc -ansi -pedantic -Wall -W -O2 -c Tulo.cc
> In file included from c:/djgpp/lang/cxx-v3/cmath:31,
>                  from Tulo.cc:4:
> c:/djgpp/lang/cxx-v3/bits/std_cmath.h: In function `float std::acos(float)':
> c:/djgpp/lang/cxx-v3/bits/std_cmath.h:95: `::acosf' undeclared (first use
> this
>    function)
> --- cut ----
> 

Confirmed with my build of gcc-3.1 20011205 (experimental).

acosf and similar functions are excluded from math.h by specifying -ansi.
Should it be so? There were not in earlier updates of C standard but how
it is now? 

Andris