Newsgroups: comp.lang.c
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: Is something wrong with the compiler ?
Message-ID: <1990Sep27.165348.1589@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <884@gtenmc.UUCP> <143014@sun.Eng.Sun.COM>
Date: Thu, 27 Sep 90 16:53:48 GMT

In article <143014@sun.Eng.Sun.COM> eager@ringworld.Eng.Sun.COM (Michael J. Eager) writes:
>>      printf(" Maxint : %d\na = %d\n", ( int )(( unsigned ) ~0 >> 1 ) , 
>The assignment of a = ~0 will make a = -1.  When this is shifted
>right by one bit, and the sign bit is set to zero, a becomes
>MAXINT, which you then converted to unsigned and then int...

Careful...  Casts bind tighter than binary operators; the unsigned
conversion is being done *before* the shift.
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