Re: [boost] Re: Meta-math

From: Sérgio Vale e Pace (svpace.forum_at_[hidden])
Date: 2005-01-28 07:13:39

not exactlly, sometimes you get the 1 difference correctly so, you
will introduce an error for such cases, and on some compillers (bcc)
for some cases you get an error because it don´t know which version to
instantiate Sqrt<N,X,XP1,XP1> or Sqrt<N,X,X,XP1>

On Thu, 27 Jan 2005 22:55:49 -0500, Jason Hise <chaos_at_[hidden]> wrote:
> Would the following work in all cases?  My assumption is that if an
> oscillation is going to occur, the two numbers will always be off by
> exactly one.
> 
> template < unsigned int N, unsigned int X = 1, unsigned int X2 = ( X + N 
> / X ) / 2, unsigned int XP1 = X + 1 >
> struct Sqrt
> {
>     enum ValueStorage
>     {
>         Value = typename Sqrt < N, X2 > :: Value
>     };
> };
> 
> template < unsigned int N, unsigned int X, unsigned int XP1 >
> struct Sqrt < N, X, X, XP1 >
> {
>     enum ValueStorage
>     {
>         Value = X
>     };
> };
> 
> template < unsigned int N, unsigned int X, unsigned int XP1 >
> struct Sqrt < N, X, XP1, XP1 >
> {
>     enum ValueStorage
>     {
>         Value = X
>     };
> };
> 
> -Jason
> 
> _______________________________________________
> Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
>