[m-rev.] for review: document that floats are double precision

[Ian MacLarty]

On Wed, Sep 8, 2010 at 12:29 PM, Julien Fischer
<juliensf at csse.unimelb.edu.au> wrote:
>
> On Wed, 8 Sep 2010, Ian MacLarty wrote:
>
>> library/float.m:
>>   Document that floats are double precision by default.
>>
>> Index: library/float.m
>> ===================================================================
>> RCS file: /home/mercury1/repository/mercury/library/float.m,v
>> retrieving revision 1.78
>> diff -u -r1.78 float.m
>> --- library/float.m     7 May 2010 03:12:25 -0000       1.78
>> +++ library/float.m     8 Sep 2010 01:32:53 -0000
>> @@ -12,6 +12,8 @@
>> %
>> % Floating point support.
>> %
>> +% By default floats are double precision.
>
> What is "by default" meant to mean here?  (It's certainly
> not the default in the .spf grades.)
> I suggest you be more specific, for example:
>
>   Floats are double precision, except in .spf grades where
>   they are single precision.
>

Done.

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