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From: | Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Error trying to Shift Longs & LongLong |
Date: | Wed, 23 Apr 2003 18:40:35 +0100 |
Lines: | 28 |
Message-ID: | <3EA6D013.8176C95F@phekda.freeserve.co.uk> |
References: | <l4jdavgfk12obr35dfrs0oqtahdthcfhcu AT 4ax DOT com> |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
Hello. Radical, NetSurfer wrote: > > The program below works 100% correctly in Borland, > but produces one very obvious problem when run from > DJGPP..... > > x = (1 << m); > > why should shifting by a (-1) create such an unsual value? > > Shouldn't shifting by "all" bits give Zero ? > > Why is the "sign-bit" apparently being shifted into things? > > Long Long appears to be a special contrivance, so we're not > too concerned about their artificial behavior. > > Comments welcomed! [snip] So what results do you actually get? Describe it, e.g.: 1 << 1 gives 2. Regards, -- Richard Dawe [ http://www.phekda.freeserve.co.uk/richdawe/ ]
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