| /* cdf/chisqinv.c |
| * |
| * Copyright (C) 2003 Brian Gough |
| * |
| * 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 2 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, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <config.h> |
| #include <gsl/gsl_cdf.h> |
| #include <gsl/gsl_sf_gamma.h> |
| |
| double |
| gsl_cdf_chisq_Pinv (const double P, const double nu) |
| { |
| return gsl_cdf_gamma_Pinv (P, nu / 2, 2.0); |
| } |
| |
| double |
| gsl_cdf_chisq_Qinv (const double Q, const double nu) |
| { |
| return gsl_cdf_gamma_Qinv (Q, nu / 2, 2.0); |
| } |