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Article View: comp.sys.amiga.tech
Article #12711

Re: An ARexx bug ?

#12711
From: Larry Phillips
Date: Wed, 17 May 1989 03:01
28 lines
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In <895@tucos.UUCP>, sutela@tucos.UUCP (Kari Sutela) writes:
>I noticed this bug when I tested the graph.rexx program which was distributed
>with rexxarplib v2.2. I noticed that the program would freeze at a statement
>which was something like this: "somevar = -x**2". Immediately when x becomes
>zero, the program will freeze. BTW, I don't remember whether this bug occurred
>in graph.rexx or testgraphs.rexx.
>
>Anyway, I researched a bit more and found that this one-liner will also 
>cause the problem (even after remlib()'ing rexxarplib and rexxmathlib):
>
>/* bug.rexx */
>say -0
>
>The program never stops and system performance will decrease dramatically.

It doesn't hang for me, so it may be a bug in any one of the libs or in ARexx
itself. I am testing a newer version, so it may have been fixed. I know there
are a few squashed bugs in rexxsyslib and ARexx itself.

-larry

--
  - Don't tell me what kind of a day to have! -
+----------------------------------------------------------------------+ 
|   //   Larry Phillips                                                |
| \X/    lphillips@lpami.wimsey.bc.ca or uunet!van-bc!lpami!lphillips  |
|        COMPUSERVE: 76703,4322                                        |
+----------------------------------------------------------------------+
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!van-bc!root
From: lphillips@lpami.wimsey.bc.ca (Larry Phillips)
Newsgroups: comp.sys.amiga.tech
Subject: Re: An ARexx bug ?
Message-ID: <2424@van-bc.UUCP>
Date: 17 May 89 03:01:50 GMT
Sender: root@van-bc.UUCP
Lines: 28