From: DavMac AT iname DOT com (Davin McCall)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: What is MID() macro ?
Date: Fri, 01 Oct 1999 06:09:51 GMT
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On Thu, 30 Sep 1999 11:36:33 +1000, "Johan Venter"
<jventer AT writeme DOT com> wrote:

>From allegro.h:
>
>#define MIN(x,y)     (((x) < (y)) ? (x) : (y))
>#define MAX(x,y)     (((x) > (y)) ? (x) : (y))
>#define MID(x,y,z)   MAX((x), MIN((y), (z)))
>
>From my understanding of that, it finds the middle number of the three passed to
>it.

Surely, if 'x' is the greatest value, this won't work.. eg:

MID(10,9,8) expands to:

  MAX(10, MIN(9,8))    which is equivalent to:

     MAX(10,8)  which is clearly 10.

Am I doing something wrong here?

Davin.


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