floor operation problem

[David Nadlinger]

On 19 Dec 2013, at 12:18, bearophile wrote:
> Marco Leise:
>> I cannot reproduce this on 64-bit Linux.
>> ...
>> Runtimes for both executables are around 0.8s.
>
> Oh, good, so is it a 32 bit problem?

I don't think Marco is building his C executable with -ffast-math.

We should definitely be able to provide a switch to enable the same 
unsafe/wrong FP optimizations in LDC as well.

David