X-pop3-spooler:	POP3MAIL 2.1.0 b 4 980420 -bs-
Message-ID:	<19980802013504.09261@cerebro.laendle>
Date:	Sun, 2 Aug 1998 01:35:04 +0200
From:	Marc Lehmann <pcg AT goof DOT com>
To:	lambache AT biochem DOT mpg DOT de, beastium-list AT Desk DOT nl
Subject:	Re: pointer-to-function difference betwenn gcc2.7.2.1 and pgcc for OS/2
Mail-Followup-To:	lambache AT biochem DOT mpg DOT de, beastium-list AT Desk DOT nl
References:	<199807311459 DOT KAA257 DOT 28 AT pcfr39 DOT biochem DOT mpg DOT de>
Mime-Version:	1.0
In-Reply-To:	<199807311459.KAA257.28@pcfr39.biochem.mpg.de>; from lambache@biochem.mpg.de on Fri, Jul 31, 1998 at 10:59:51AM -0400
X-Operating-System:	Linux version 2.1.111 (root AT cerebro) (gcc version pgcc-2.91.51 19980714 (gcc2 ss-980609 experimental))
Status:	RO
Lines:	33

On Fri, Jul 31, 1998 at 10:59:51AM -0400, lambache AT biochem DOT mpg DOT de wrote:
> 
> >From pgcc I get the following error message:
> 
> numerik.cxx: In method `void vector_integral::_driver(void (vector_integral::*)(
> ), double *)':
> numerik.cxx:540: must use .* or ->* to call pointer-to-member function in `metho
> d (...)'
> make: *** [numerik.o] Error 1

> emx-gcc 2.7.2.1 compiles this without even a warning

thats because gcc-2.7.2.1 compiles almost everything, even incorrect c++
programs. egcs (and newer pgcc versions) usually don't, so you sometimes get
more errors.

But, if thats the only message you get, your program is one of the seldom
almost-correct c++ programs ;)

> Frankly, I do not even understand the error message. I tried to fumble around with
> typecasts, but this didn't yield anything besides other error messages 8-)

(this->*method)()

should work.

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      ---==---(_)__  __ ____  __       Marc Lehmann       +--
      --==---/ / _ \/ // /\ \/ /       pcg AT goof DOT com       |e|
      -=====/_/_//_/\_,_/ /_/\_\                          --+
    The choice of a GNU generation                        |
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