Re: [boost] Math constants for naive and gurus? - which constants do you want?

From: Matthew Austern (austern_at_[hidden])
Date: 2001-11-07 15:27:52

Peter Dimov wrote:
 
> I don't really see what's wrong with the simple
> 
> namespace math
> {
>     double const pi = 3.14159265358...;
> }

Change it to "long double", and I'd go along with it.  But
I'd hate to see someone write
  long double alpha = e*e / 4.ld / math::pi;

and silently lose half of their precision because they're
trying to compute a long double result with a double 
constant.
                        --Matt