// matrix/sp-matrix-inl.h
  
  // Copyright 2009-2011  Ondrej Glembek;  Microsoft Corporation;  Haihua Xu
  
  // See ../../COPYING for clarification regarding multiple 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
  
  // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  // WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  // MERCHANTABLITY OR NON-INFRINGEMENT.
  // See the Apache 2 License for the specific language governing permissions and
  // limitations under the License.
  
  #ifndef KALDI_MATRIX_SP_MATRIX_INL_H_
  #define KALDI_MATRIX_SP_MATRIX_INL_H_
  
  #include "matrix/tp-matrix.h"
  
  namespace kaldi {
  
  // All the lines in this file seem to be declaring template specializations.
  // These tell the compiler that we'll implement the templated function
  // separately for the different template arguments (float, double).
  
  template<>
  double SolveQuadraticProblem(const SpMatrix<double> &H, const VectorBase<double> &g,
                               const SolverOptions &opts, VectorBase<double> *x);
  
  template<>
  float SolveQuadraticProblem(const SpMatrix<float> &H, const VectorBase<float> &g,
                              const SolverOptions &opts, VectorBase<float> *x);
  
  }  // namespace kaldi
  
  
  #endif  // KALDI_MATRIX_SP_MATRIX_INL_H_