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Re: Motion 46: finalise interval literals, amendments



On 2013-06-26, at 4:56 PM, Michel Hack <mhack@xxxxxxx> wrote:

> Ned Nedialkov wrote:
>>> I meant take a string that represents one decimal number, e.g. "0.1".
>>> Then text2interval("0.1") will return the binary interval containing 0.1.
>>> 
>>> Then leave to the user to convert left and right bounds.  This will make
>>> it simpler for the standard and more flexible for the user.
> 
> Baker Kearfott replied:
>> The user would then rely on the P-1788 floating-point-to-interval
>> constructor "nums2interval".
> 
> No -- Ned's text2interval() returns an interval enclosing the singleton.
> The next step would therefore be the Union operator.

Yes. My view is let the standard have a minimal set of building blocks, 
and having just a string to interval is sufficient IMO. 
Then I can use the Union operator. 


Ned