[m-rev.] diff: fix io.write_float with special float values in C grades

[Julien Fischer]

On Mon, Jun 30, 2014 at 4:59 PM, Julien Fischer <jfischer at opturion.com>
wrote:

>
>
>
> On Mon, Jun 30, 2014 at 3:23 PM, Julien Fischer <jfischer at opturion.com>
> wrote:
>
>>
>> Fix the printing float special values with write_float in C grades.
>>
>> runtime/mercury_float.c:
>>         When printing floats, do not append ".0" to nan, inf or -inf
>>
>
> The C# grade also gets this one wrong (same problem).  The test case causes
> the Erlang grade to crash.  (Things appear to be ok in the Java grade.)
>

The latter is somewhat understandable given that the Erlang grades does not
implement is_nan/1 or is_inf/1.

Cheers,
Julien.
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