[mlpack-git] [mlpack/mlpack] Universal B tree implementation (#746)
lozhnikov
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Thu Aug 18 04:40:12 EDT 2016
> + for (size_t d = 0; d < dim; d++)
> + {
> + lower = loBound(d, i) - point[d];
> + higher = point[d] - hiBound(d, i);
> +
> + // Since only one of 'lower' or 'higher' is negative, if we add each's
> + // absolute value to itself and then sum those two, our result is the
> + // nonnegative half of the equation times two; then we raise to power Power.
> + sum += pow((lower + fabs(lower)) + (higher + fabs(higher)),
> + (ElemType) MetricType::Power);
> + }
> +
> + if (sum < minSum)
> + minSum = sum;
> + }
> +
This is useless since I bound each rectangle in the series by the minimum bounded rectangle (see `AddBound()`).
```
loBound(k, numBounds) = std::max(loCorner[k], bounds[k].Lo());
hiBound(k, numBounds) = std::min(bounds[k].Hi(), hiCorner[k]);
```
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