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/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1995,1996 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author : Simon King */
/* Date : June 1998 */
/*-----------------------------------------------------------------------*/
/* Dynamical models for ASR */
/* */
/*=======================================================================*/
#include <cstdlib>
#include <stdio.h>
#include <fstream.h>
#include "EST.h"
#include "EST_Handleable.h"
#include "EST_THandle.h"
#include "EST_TBox.h"
#include "EST_String.h"
struct stats_accumulator_HV
{
EST_DMatrix M1;
EST_DMatrix M2;
EST_DMatrix covar_y;
int points_processed;
};
struct stats_accumulator_FW
{
EST_DMatrix M3;
EST_DMatrix M4;
EST_DMatrix covar_x_t_plus_1_except_last;
int points_processed_except_last;
};
typedef EST_TBox<stats_accumulator_FW> Boxed_stats_accumulator_FW;
typedef EST_THandle<Boxed_stats_accumulator_FW,stats_accumulator_FW> refcounted_stats_accumulator_FW_P;
ostream& operator <<(ostream &s, const refcounted_stats_accumulator_FW_P &);
typedef EST_TBox<stats_accumulator_HV> Boxed_stats_accumulator_HV;
typedef EST_THandle<Boxed_stats_accumulator_HV,stats_accumulator_HV> refcounted_stats_accumulator_HV_P;
ostream& operator <<(ostream &s, const refcounted_stats_accumulator_HV_P &);
/// an accumulator to be owned by every model
/// - the underlying HV or FW accumulators are shared via
/// pointers to reference counted objects
struct stats_accumulator
{
refcounted_stats_accumulator_HV_P hv;
refcounted_stats_accumulator_FW_P fw;
};
ostream& operator <<(ostream &s, const stats_accumulator_FW &);
ostream& operator <<(ostream &s, const stats_accumulator_HV &);
typedef EST_TBox<EST_DMatrix> Boxed_EST_DMatrix;
typedef EST_THandle<Boxed_EST_DMatrix,EST_DMatrix> refcounted_EST_DMatrixP;
ostream& operator <<(ostream &s, const Boxed_EST_DMatrix &);
ostream& operator <<(ostream &s, const refcounted_EST_DMatrixP &);
//int operator ==(const Boxed_EST_DMatrix &a,
// const Boxed_EST_DMatrix &b);
int operator ==(const refcounted_EST_DMatrixP &a,
const refcounted_EST_DMatrixP &b);
typedef EST_TBox<EST_DVector> Boxed_EST_DVector;
typedef EST_THandle<Boxed_EST_DVector,EST_DVector> refcounted_EST_DVectorP;
int operator ==(const refcounted_EST_DVectorP &,
const refcounted_EST_DVectorP &);
ostream& operator <<(ostream &s, const refcounted_EST_DVectorP &);
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