[mlpack-git] [mlpack/mlpack] fixes: convolve with correct weight slice, pad input in forward pass (#737)

Marcus Edel notifications at github.com
Mon Aug 8 18:50:23 EDT 2016


> +  arma::vec a = arma::linspace<arma::vec>(1, 25, 25);
> +  arma::cube input(5, 5, 4);
> +  for (size_t i = 0; i < input.n_slices; ++i)
> +  {
> +    int vec_idx = 0, row_idx = 0;
> +    for (size_t j = 0; j < input.n_rows; ++j)
> +    {
> +      input.slice(i).row(j) = a.subvec(vec_idx, vec_idx + 4).t();
> +      vec_idx += 5;
> +    }
> +  }
> +  ConvLayer<> conv3(4, 1, 3, 3, 1, 1, 1, 1);
> +  arma::mat id3 = arma::zeros<arma::mat>(3, 3);
> +  id3(1, 1) = 1;  
> +  arma::cube conv3_w(3, 3, 4 * 1);
> +  for (size_t i = 0; i < conv3_w.n_slices; ++i) 

I think, we should use a nonzero kernel for the test.

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