Revision ff60ed9c857413e06b1d04aee37f05a8d54e7424 authored by Kurt Hornik on 20 February 2015, 00:00:00 UTC, committed by Gabor Csardi on 20 February 2015, 00:00:00 UTC
1 parent f9a02de
tsutils.c
/* Copyright (C) 1997-2001 Adrian Trapletti
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Support functions for time series utilities */
void R_quad_map (double *x, double *xi, double *a, int *n)
{
int i;
x[0] = (*xi);
for (i=1; i<(*n); i++)
x[i] = (*a)*(1-x[i-1])*x[i-1];
}
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