text: //
  // Copyright 2019 The Statslabs Authors.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  //
  
  /// @file vectorise.h
  /// @brief convert matrix to vector.
  
  #ifndef SLAB_MATRIX_FNS_VECTORISE_H_
  #define SLAB_MATRIX_FNS_VECTORISE_H_
  
  namespace slab {
  
  template <typename T, std::size_t N>
  inline Matrix<T, 1> vectorise(const Matrix<T, N> &x) {
    return reshape(x, x.size());
  }
  
  }  // namespace slab
  
  #endif  // SLAB_MATRIX_FNS_VECTORISE_H_
  