legendre.m

[Ben Abbott]

On Oct 15, 2008, at 12:12 PM, Ben Abbott wrote:

> On Wednesday, October 15, 2008, at 08:02AM, "Ben Abbott" <bpabbott at mac.com 
> > wrote:
>>
>> On Oct 15, 2008, at 3:24 AM, Marco Caliari wrote:
>>
>>>> | Moreover, what about the new legendre.m function described here
>>>> | http://www.nabble.com/normalized-ALF-(Assotiated-Legendre-Function)-td15278073.html#a15278073
>>>>
>>>> Please use separate threads for separate topics.
>>>>
>>>> I don't have an objection to including it, but I don't think it
>>>> should
>>>> unconditionally print a warning every time it is called.
>>>
>>> In the final message of that thread, I noticed that the warning was
>>> misleading and suggested to remove it. I think Ben (who committed
>>> the patch) did it. Ben?
>>>
>>> Marco
>>
>> I'll take a look.
>>
>> Ben
>
> I can confirm that committed version of legendre.m is the one I  
> patched (with some changes for consistency with Octave's coding  
> practices).
>
> I haven't been following along with this thread, but assume there is  
> a desire to bring back the underflow error. Is that correct?
>
> Ben

The attached changeset adds checks for both underflow and overflow and  
warns on the first occurrence.

Marco, I'm uncertain if you are using mercurial or if you are able to  
apply patches, so I've also attached the complete legendre.m function.

I also noticed a minor bug and fixed ... it is accompanied by an  
additional test as well.

Ben


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