/* gretl - The Gnu Regression, Econometrics and Time-series Library
 * Copyright (C) 1999-2000 Ramu Ramanathan and Allin Cottrell
 *
 * This library 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 software 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 software; if not, write to the 
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef _CALENDAR_H
#define _CALENDAR_H

typedef struct {
    int misscount;
    char *missvec;
} MISSOBS;

long get_epoch_day (const char *date);

int daily_obs_number (const char *date, const DATAINFO *pdinfo);

void daily_date_string (char *str, int t, const DATAINFO *pdinfo);

double get_dec_date (const char *date);

char *missobs_vector (double **Z, const DATAINFO *pdinfo, int *misscount);

int undo_repack_missing (double **Z, const DATAINFO *pdinfo, 
			 const char *missvec, int misscount);

int repack_missing (double **Z, const DATAINFO *pdinfo, 
		    const char *missvec, int misscount);

int get_misscount (const MODEL *pmod);

#endif /* _CALENDAR_H */ 
