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Subject: Re: Using Enumerated Types as Array Indexes
Date: Thu, 18 Aug 2011 08:22:51 -0700
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On 8/17/2011 6:07 PM, Patricia Shanahan wrote:
> On 8/17/2011 4:48 PM, Andreas Leitgeb wrote:
> ...
>> Rather: arr[ (n%arr.length + arr.length) % arr.length ]
>
> I believe the root cause of the problem may have been thinking of % as a
> modulo operator when it is really the remainder operator. Has any
> thought been given to create Math.mod, for both int and long, with
> implementation as above?


I think I suggested a modulo operator %% some time ago.  It would be 
handy.  The derivation of the formula above escapes me.