[mlpack-git] [mlpack/mlpack] Vantage point tree (#708)

Ryan Curtin notifications at github.com
Thu Jul 21 19:37:25 EDT 2016


> +
> +template<typename BoundType, typename MatType>
> +void VantagePointSplit<BoundType, MatType>::
> +GetDistinctSamples(arma::uvec& distinctSamples, const size_t numSamples,
> +    const size_t begin, const size_t upperBound)
> +{
> +  if (upperBound > numSamples)
> +  {
> +    arma::Col<size_t> samples;
> +
> +    samples.zeros(upperBound);
> +
> +    for (size_t i = 0; i < numSamples; i++)
> +      samples [ (size_t) math::RandInt(upperBound) ]++;
> +
> +    distinctSamples = arma::find(samples > 0);

I think this does not guarantee that `distinctSamples.n_elem == numSamples`.  Correct me if I have misunderstood.

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