Merge pull request #10 from Catminusminus/conv_layer

remove a comment

scenn/experimental/util/im2col.hpp

@@ -9,37 +9,6 @@ namespace scenn::experimental {
 template <std::size_t F, std::size_t O, std::size_t Stride, std::size_t Pad,
           std::size_t L, std::size_t M, std::size_t N, class T>
 SCENN_CONSTEXPR auto im2col1d(const Tensor3D<L, M, N, T>& tensor) {
-  /**
-  static_assert(O == (M - F + 2 * Pad) / Stride + 1);
-  const auto pad_tensor = pad<Pad>(tensor);
-  // constexpr auto O = (M - F + 2 * Pad) / Stride + 1;
-  Matrix<N * F, L * O, T> ret;
-
-  // Todo: implement constexpr N-dim Tensor and use it
-  T data[L][N][F][O] = {};
-  for (std::size_t j = 0; j < F; ++j)
-    for (std::size_t zero_i = 0; zero_i < L; ++zero_i)
-      for (std::size_t one_i = 0; one_i < N; ++one_i)
-        for (std::size_t three_i = 0; three_i < O; ++three_i)
-          data[zero_i][one_i][j][three_i] =
-              pad_tensor(zero_i, j + three_i * Stride, one_i);
-
-  T transposed_data[N][F][L][O] = {};
-  for (std::size_t zero_i = 0; zero_i < L; ++zero_i)
-    for (std::size_t one_i = 0; one_i < N; ++one_i)
-      for (std::size_t three_i = 0; three_i < F; ++three_i)
-        for (std::size_t four_i = 0; four_i < O; ++four_i)
-          transposed_data[one_i][three_i][zero_i][four_i] =
-              data[zero_i][one_i][three_i][four_i];
-
-  for (std::size_t zero_i = 0; zero_i < N; ++zero_i)
-    for (std::size_t one_i = 0; one_i < F; ++one_i)
-      for (std::size_t two_i = 0; two_i < L; ++two_i)
-        for (std::size_t three_i = 0; three_i < O; ++three_i)
-          ret(zero_i * N + one_i, two_i * L + three_i) =
-              transposed_data[zero_i][one_i][two_i][three_i];
-  return ret;
-  */
   static_assert(O == (N - F + 2 * Pad) / Stride + 1);
   const auto pad_tensor = pad<Pad>(tensor);