Re: [Boost-users] can not compile nearest neighbors in d dimensions

Subject: Re: [Boost-users] can not compile nearest neighbors in d dimensions
From: Ilja Honkonen (ilja.honkonen_at_[hidden])
Date: 2014-04-16 09:21:05

> Thanks for the replies, now it is clearer. However, the minimum
> dimension I have in my datasets is 100 and I want to run NN with
> dimension 10000.
> So, how I am going to initialize a point?
> template <int CompileTimeDimension>
> void fill(point& tmp)
> {
>      for(int j = CompileTimeDimension - 1 ; j >= 0 ; --j) {
>           bg::set<CompileTimeDimension-->(tmp, 5);
>       }
> }

Maybe something like this (untested, you might have to put these inside 
a class and make CTD a template parameter of the class, etc.):

template <int CTD>
void fill(point& tmp)
{
   bg::set<CTD>(tmp, 5);
   fill<CTD - 1>(tmp, 5);
}

template <> void fill<0>(point& tmp)
{
   bg::set<0>(tmp, 5);
}

Ilja