// gmm/model-test-common.h
  
  // Copyright 2009-2011  Saarland University
  // Author:  Arnab Ghoshal
  
  // 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_GMM_MODEL_TEST_COMMON_H_
  #define KALDI_GMM_MODEL_TEST_COMMON_H_
  
  #include "gmm/diag-gmm.h"
  #include "gmm/full-gmm.h"
  
  namespace kaldi {
  namespace unittest {
  
  void RandPosdefSpMatrix(int32 dim, SpMatrix<BaseFloat> *matrix,
                          TpMatrix<BaseFloat> *matrix_sqrt = NULL,
                          BaseFloat *logdet = NULL);
  void RandDiagGaussFeatures(int32 num_samples,
                             const VectorBase<BaseFloat> &mean,
                             const VectorBase<BaseFloat> &sqrt_var,
                             MatrixBase<BaseFloat> *feats);
  void RandFullGaussFeatures(int32 num_samples,
                             const VectorBase<BaseFloat> &mean,
                             const TpMatrix<BaseFloat> &sqrt_var,
                             MatrixBase<BaseFloat> *feats);
  void InitRandDiagGmm(int32 dim, int32 num_comp, DiagGmm *gmm);
  void InitRandFullGmm(int32 dim, int32 num_comp, FullGmm *gmm);
  
  }  // End namespace unittest
  }  // End namespace kaldi
  
  
  #endif  // KALDI_GMM_MODEL_TEST_COMMON_H_