warn float64

NEWS.txt
- Create the Theano flag warn_float64 to help find where float64 are created. (Frederic B., Jeremie Tanjay)

This PR is the follow up of gh-2036
Done.


On Wed, Aug 27, 2014 at 11:06 AM, abergeron <notifications@github.com>
wrote:

> In theano/configdefaults.py:
>
> > @@ -24,6 +24,14 @@ def floatX_convert(s):
> >               EnumStr('float64', 'float32', convert=floatX_convert,),
> >  )
> >
> > +AddConfigVar('warn_float64',
> > +             "If True, warn when a tensor variable with float64 dtype is"
>
> I think this description is not accurate anymore.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/Theano/Theano/pull/2056/files#r16781000>.
>