3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 James Theiler, Brian Gough
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 #include <gsl/gsl_rng.h>
23 #include <gsl/gsl_randist.h>
25 /* This is the uniform distribution in the range [a, b)
27 p(x) dx = 1/(b-a) dx if a <= x < b
33 gsl_ran_flat (const gsl_rng * r, const double a, const double b)
35 double u = gsl_rng_uniform (r);
37 /* A uniform distribution over [a,b] */
39 return a * (1 - u) + b * u;
43 gsl_ran_flat_pdf (double x, const double a, const double b)