What am I doing wrong here - canFind with iota is not working

[Laeeth Isharc via Digitalmars-d]

Thanks.

Rough version for Wiki here:
http://wiki.dlang.org/Floating_Point_Gotchas

It could be tidier, but I am not able to do so at moment.  Feel 
free to change.

On Thursday, 26 February 2015 at 14:04:17 UTC, John Colvin wrote:
> On Thursday, 26 February 2015 at 12:39:20 UTC, Laeeth Isharc 
> wrote:
>> Hi John.
>>
>> Tks help with ldc - will look at that shortly.
>>
>> So Kingsly needs to use a predicate for canFind that returns 
>> true if the two values being compared are close enough to 
>> being the same given floating point quirks ?
>>
>> Ie I think people diagnosed the problem, but what is the 
>> solution...
>
> My preference would be to find a way to construct the program 
> such that it isn't needed.
>
> Failing that, std.math has feqrl and approxEqual for this task.