Re: >>/<< 32 Bit wrong on 32 architechture

From: Benjamin Riefenstahl (Benjamin.Riefenstahl_at_epost.de)
Date: 12/30/03 

Date: Tue, 30 Dec 2003 00:30:07 +0100

Hi David,

David Gravereaux <davygrvy@pobox.com> writes:
> What's the C standard say on the rules of shifting?

In C89 the result of

  a << b and a >> b

is explicitly undefined if

  b >= (CHAR_BITS * sizeof(a)) || b < 0

In addition the result of

  a >> b

is implementation defined, if

  a < 0

benny

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