[mlpack-git] [mlpack/mlpack] Modeling LSH For Performance Tuning (#749)

[Ryan Curtin]

> +
> +    /**
> +     * Parameterized constructor.
> +     *
> +     * @param xData Vector of x - the sizes of the reference set when performing
> +     *    kNN.
> +     * @param kData Vector of k - the kth nearest neighbor for which we
> +     *    calculated the statistic.
> +     * @param yData Matrix of y, one for each (x, k) value.
> +     */
> +    DefaultObjectiveFunction(const arma::Col<size_t>& xData, 
> +                             const arma::Col<size_t>& kData, 
> +                             const arma::mat& yData)
> +      : xData(&xData), kData(&kData), yData(&yData)  { };
> +
> +    //! Return the number of functions

If you are only using L-BFGS, you should be able to remove this function. It should only be needed by SGD-like optimizers.

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