/* cdf/pareto.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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include double gsl_cdf_pareto_P (const double x, const double a, const double b) { double P = 1 - pow(b/x, a); return P; } double gsl_cdf_pareto_Q (const double x, const double a, const double b) { double Q = pow(b/x, a); return Q; }