Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!hoptoad!tim
From: tim@hoptoad.uucp (Tim Maroney)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Initializing automatic arrays
Keywords: MPW-C, LSC, versions 3.0
Message-ID: <6683@hoptoad.uucp>
Date: 6 Mar 89 01:04:32 GMT
References: <9226@orstcs.CS.ORST.EDU>
Reply-To: tim@hoptoad.UUCP (Tim Maroney)
Distribution: na
Organization: Eclectic Software, San Francisco
Lines: 28

In article <9226@orstcs.CS.ORST.EDU> sagen@nucthy.physics.orst.edu (Milt
Sagen) writes:
>If I compile the following code segment with MPW-C 3.0 using 'c -c file.c' 
>no errors are reported.  However, when I compile it with LSC 3.0 it 
>reports an error because the array is unindexed.  If I put in 6 as the 
>index then LSC reports an error for trying to initialize an automatic 
>array.
>
>real XFactorial( x )
>   real x ;
>{
>   real  coef[] = (  76.18009173, -86.50532033, 24.01409822
>                     -1.231739516, 0.120858003e-2, 0.536382e-5 ) ;
>         :
>         :
>         :
>}

Parentheses?  What are those doing there?  You use curly braces to
initialize aggregates.  Because of the way the comma operator works,
your initializer is a real number with the value 0.536382e-5.  Any
compiler that lets you assign that to an array/pointer without a type
cast is confused.
-- 
Tim Maroney, Consultant, Eclectic Software, sun!hoptoad!tim
"When the writer becomes the center of his attention, he becomes a nudnik.
 And a nudnik who believes he's profound is even worse than just a plain
 nudnik." -- Isaac Bashevis Singer