In article <3e36ba51@news.povray.org> , "Vadim Sytnikov" <syt### [at] rucom>
wrote:

>>   The compiler will always generate a shift opcode for integer/2,
>> regardless of whether 'integer' is signed or unsigned. Processors
>> have two kinds of shift right opcode for this.
>>   IIRC, this applies to integer>>1 as well. Thus they are
>> completely equivalent.
>
> Well, they are *not* equivalent.

They are equivalent in the sense Warp means it also he didn't put it very
well in what sense he means it :-)

There are logical and arithmetic shift instructions which work for signed
and unsigned shifts no matter what direction.  No need to make a big fuss
about it ;-)

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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