| Re: [eigen] a couple of RFCs |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] a couple of RFCs
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Fri, 14 Aug 2009 13:13:18 -0400
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yes, exactly what i had in mind.
2009/8/13 Gael Guennebaud <gael.guennebaud@xxxxxxxxx>:
> yes, something like that:
>
> template<typename T> typename NumTraits<T>::Real epsilon()
> {
> return std::numeric_limits<typename NumTraits<T>::Real>::epsilon();
> }
>
> gael
>
> On Thu, Aug 13, 2009 at 9:51 PM, Benoit Jacob<jacob.benoit.1@xxxxxxxxx> wrote:
>> 2009/8/13 Gael Guennebaud <gael.guennebaud@xxxxxxxxx>:
>>> thanks for the fixes in IOFormat.
>>>
>>> about numeric_limits, I think we should use:
>>>
>>> std::numeric_limits<NumTraits<Scalar>::Real>::epsilon()
>>
>> Indeed, that does the job. But that looks complicated, sooner or later
>> we'll forget to do that and will get bug reports.... how about keeping
>> machine_epsilon<Scalar>() as a wrapper for exactly that? maybe call it
>> epsilon instead?
>>
>> Benoit
>>
>>
>>
>
>
>
> --
> Gaël Guennebaud
> Iparla - INRIA Bordeaux
> (+33)5 40 00 37 95
>
>
>