Re: [Boost-users] [math][tools][units] generic librariesnotgenericenough

Subject: Re: [Boost-users] [math][tools][units] generic librariesnotgenericenough
From: alfC (alfredo.correa_at_[hidden])
Date: 2011-08-29 04:11:12

On Monday, August 29, 2011 1:02:00 AM UTC-7, John Maddock wrote:
>
>
> evaluate a polynomial approximation to the function:
> To consider a trivial example, if T*T isn't a T, then one can't even 
>
> result = A + B* T + C * T^2 + D * T^3...
>
> to give a concrete example, the root finding algorithm that started this 
> thread uses a polynomial approximation to the function to greatly speed up 
> finding the root (we can find the polynomial approximation and it's root 
> algebraically once we have evaluated enough points in the function).  It's 
> this insight that makes the algorithm converge so rapidly compared to the 
> alternatives, but requiring that T*T != T breaks the underlying assumptions 
>
> not only in how it's implemented, but in how it actually works 
> algorithmically.
>
The easy answer is that A, B, C and D are different types then.
the types of A, B, C and D can be deduced from the type of T and the type of 
the result R, which are know at that point.

Alfredo