3 * Copyright (C) 2003, 2007 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22 #include <gsl/gsl_cdf.h>
23 #include <gsl/gsl_sf_gamma.h>
24 #include <gsl/gsl_math.h>
29 gsl_cdf_beta_P (const double x, const double a, const double b)
43 P = beta_inc_AXPY (1.0, 0.0, a, b, x);
49 gsl_cdf_beta_Q (const double x, const double a, const double b)
63 Q = beta_inc_AXPY (-1.0, 1.0, a, b, x);