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genfuncs.h

/* 
 *  gretl -- Gnu Regression, Econometrics and Time-series Library
 *  Copyright (C) 2001 Allin Cottrell and Riccardo "Jack" Lucchetti
 * 
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 * 
 */

#ifndef GENFUNCS_H
#define GENFUNCS_H

int sort_series (const double *x, double *y, int f, 
             const DATAINFO *pdinfo);

int gretl_sort_by (const double *x, const double *y, 
               double *z, const DATAINFO *pdinfo);

int rank_series (const double *x, double *y, int f, 
             const DATAINFO *pdinfo);

int diff_series (const double *x, double *y, int f, 
             const DATAINFO *pdinfo);

int orthdev_series (const double *x, double *y, const DATAINFO *pdinfo);

int cum_series (const double *x, double *y, 
            const DATAINFO *pdinfo);

int resample_series (const double *x, double *y, 
                 const DATAINFO *pdinfo);

int block_resample_series (const double *x, double *y, int blocklen,
                     const DATAINFO *pdinfo);

int fracdiff_series (const double *x, double *y, double d,
                 int diff, int obs, const DATAINFO *pdinfo);

int boxcox_series (const double *x, double *y, double d,
               const DATAINFO *pdinfo);

int filter_series (const double *x, double *y, const DATAINFO *pdinfo, 
               gretl_matrix *A, gretl_matrix *C, double y0);

int seasonally_adjust_series (const double *x, double *y, 
                        DATAINFO *pdinfo, int tramo);

int panel_statistic (const double *x, double *y, const DATAINFO *pdinfo, 
                 int k);

int hp_filter (const double *x, double *hp, const DATAINFO *pdinfo,
             gretlopt opt);

int bkbp_filter (const double *y, double *bk, 
             const DATAINFO *pdinfo);

int dummy (double ***pZ, DATAINFO *pdinfo, int center);

int panel_dummies (double ***pZ, DATAINFO *pdinfo, gretlopt opt);

int gen_unit (double ***pZ, DATAINFO *pdinfo);

int panel_unit_first_obs (int t, const DATAINFO *pdinfo);

int gen_time (double ***pZ, DATAINFO *pdinfo, int tm);

int gen_wkday (double ***pZ, DATAINFO *pdinfo);

int plotvar_code (const DATAINFO *pdinfo);

const double *gretl_plotx (const DATAINFO *pdinfo);

int genr_fit_resid (const MODEL *pmod, double ***pZ, DATAINFO *pdinfo,
                int code, int undo);

int get_observation_number (const char *s, const DATAINFO *pdinfo);

int get_t_from_obs_string (const char *s, const double **Z, 
                     const DATAINFO *pdinfo);

int list_linear_combo (double *y, const int *list, 
                   const gretl_vector *b, const double **Z, 
                   const DATAINFO *pdinfo);

double imhof (const gretl_matrix *m, double arg, int *err);

double dw_pval (const gretl_matrix *u, const gretl_matrix *X, 
            double *pDW, int *err);

gretl_matrix *multi_acf (const gretl_matrix *m, 
                   const int *list, 
                   const double **Z,
                   const DATAINFO *pdinfo,
                   int p, int *err);

gretl_matrix *multi_xcf (const void *px, int xtype,
                   const void *py, int ytype,
                   const double **Z,
                   const DATAINFO *pdinfo,
                   int p, int *err);

gretl_matrix *forecast_stats (const double *y, const double *f,
                        int t1, int t2, gretlopt opt,
                        int *err);

double gretl_round (double x);

double gretl_bessel (char type, double v, double x, int *err);

#endif /* GENFUNCS_H */

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