/**************************************************************************/
/*                            File: test.h                                */
/**************************************************************************/
/* Project: Continuous Speech Recognition Search Algorithms               */
/* Author: Neeraj Deshmukh, Aravind Ganapathiraju                         */
/* Class: EE 8993 Spring 1996                         Date: April 2, 1996 */
/**************************************************************************/

/*========================================================================
  This file creates the HMMs  for the four test words in the grammer namely
  one , two , three and four. and tests the model creation.
  ========================================================================*/

/*------------------------------------------------------------------------
  make sure declaration is only once
  ------------------------------------------------------------------------*/
#ifndef ISIP_TEST_HMM_
#define ISIP_TEST_HMM_

/*------------------------------------------------------------------------
  system and ISIP include files
  ------------------------------------------------------------------------*/
#include <score_hyp.h>
#include <grammar.h>

/*------------------------------------------------------------------------
  external functions
  ------------------------------------------------------------------------*/
extern void create_model_cc ( FILE *fp_model, FILE* fp_mean,HMM_Model **model, 
			     int_2 num_of_models,int_2 num_of_states);
extern void hypothesize_cc ( FILE *fp_in,HMM_Model *model,
			     Score_Hyp *hypothesis,Score_Hyp *temp_hyp,
			     float_4 score,int_2 start_time ,
			     int_2 word_index ); 
extern void build_lattice_cc ( FILE *file_in, Grammar *grammar,
			       HMM_Model **hmm_model,Score_Hyp *hypoth);
extern void find_word_seq_cc ( Score_Hyp *hypothesis, HMM_Model **model);

/*------------------------------------------------------------------------
  global constants
  ------------------------------------------------------------------------*/
#define NUM_OF_MODELS 5
#define NUM_OF_STATES 5

/*------------------------------------------------------------------------
  forward declaration of classes
  ------------------------------------------------------------------------*/
class HMM_State;
class HMM_Matrix;
class HMM_Model;
class HMM_Trans_State;
class Linked_List;
class Score_Hyp;
class Grammar;
class Trans_State;

#endif