1 /* Copyright (C) 1997-2001 Adrian Trapletti
2
3 This library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Library General Public
5 License as published by the Free Software Foundation; either
6 version 2 of the License, or (at your option) any later version.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public
14 License along with this library; if not, write to the Free
15 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
17 Support functions for time series utilities */
18
19
tseries_quad_map(double * x,double * xi,double * a,int * n)20 void tseries_quad_map (double *x, double *xi, double *a, int *n)
21 {
22 int i;
23
24 x[0] = (*xi);
25 for (i=1; i<(*n); i++)
26 x[i] = (*a)*(1-x[i-1])*x[i-1];
27 }
28