math constants

[Paolo Carlini]

Hi,

On 02/04/2013 06:25 PM, Ulrich Drepper wrote:
> On Mon, Feb 4, 2013 at 12:16 PM, Paolo Carlini <paolo.carlini@oracle.com> wrote:
>> The general idea makes *a lot* of sense of course. Before adding too much
>> code, however, I think we should double check whether something is going on
>> already in terms of a facility planned for TR2 or even existing already in
>> eg, Boost.
> boost has something incredibly ugly.  They use template functions to
> return the values and some ugly way to allow initialization of data
> types other than float/double/long double using strings.
Ok...
> I think constexpr are much more in line with C++11 and going forward
> and the math_constants class follows the numeric_limits approach.  If
> you could look through the meeting notes that'd be appreciated.  I
> wouldn't even know where to start.
Agreed. I'll check and also ask people at the next Meeting. In the 
meanwhile we can certainly add something which we think makes sense in 
terms of interfaces, uglified for now, to be safe.

Paolo.