pdsiir.h

/*
 * pdsiir.h
 * 
 * Copyright 2011 Fernando Pujaico Rivera <fernando.pujaico.rivera@gmail.com>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */

#ifndef __PDSIIR_H__
#define __PDSIIR_H__


#ifdef __cplusplus
extern "C" {
#endif 

#include <pds/pdsdfglobal.h>
#include <pds/pdsvector.h>

#include <stdio.h>

#ifndef TRUE
        #define TRUE 1
#endif

#ifndef FALSE
        #define FALSE 0
#endif

typedef struct 
{
        PdsVector *a;
        PdsDfNatural Q;
        PdsVector *b;
        PdsDfNatural P;
        PdsVector *t;
}PdsIir;


PdsIir *pds_iir_new(const PdsVector *hnum,const PdsVector *hden);


int pds_iir_evaluate_value(PdsIir *IIR,PdsDfReal x,PdsDfReal *y);


int pds_iir_evaluate_vector(PdsIir *IIR,const PdsVector *x,PdsVector *y);


void pds_iir_free(PdsIir *IIR);


void pds_iir_destroy(PdsIir **IIR);


#ifdef __cplusplus
}
#endif 

#endif  /* __PDSIIR_H__ */