
Boost : 
From: Sérgio Vale e Pace (svpace.forum_at_[hidden])
Date: 20050128 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
>
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