| /* specfunc/gsl_sf_laguerre.h |
| * |
| * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman |
| * |
| * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| /* Author: G. Jungman */ |
| |
| #ifndef __GSL_SF_LAGUERRE_H__ |
| #define __GSL_SF_LAGUERRE_H__ |
| |
| #include <gsl/gsl_sf_result.h> |
| |
| #undef __BEGIN_DECLS |
| #undef __END_DECLS |
| #ifdef __cplusplus |
| # define __BEGIN_DECLS extern "C" { |
| # define __END_DECLS } |
| #else |
| # define __BEGIN_DECLS /* empty */ |
| # define __END_DECLS /* empty */ |
| #endif |
| |
| __BEGIN_DECLS |
| |
| |
| /* L^a_n(x) = (a+1)_n / n! 1F1(-n,a+1,x) */ |
| |
| |
| /* Evaluate generalized Laguerre polynomials |
| * using explicit representations. |
| * |
| * exceptions: none |
| */ |
| int gsl_sf_laguerre_1_e(const double a, const double x, gsl_sf_result * result); |
| int gsl_sf_laguerre_2_e(const double a, const double x, gsl_sf_result * result); |
| int gsl_sf_laguerre_3_e(const double a, const double x, gsl_sf_result * result); |
| double gsl_sf_laguerre_1(double a, double x); |
| double gsl_sf_laguerre_2(double a, double x); |
| double gsl_sf_laguerre_3(double a, double x); |
| |
| |
| /* Evaluate generalized Laguerre polynomials. |
| * |
| * a > -1.0 |
| * n >= 0 |
| * exceptions: GSL_EDOM |
| */ |
| int gsl_sf_laguerre_n_e(const int n, const double a, const double x, gsl_sf_result * result); |
| double gsl_sf_laguerre_n(int n, double a, double x); |
| |
| |
| __END_DECLS |
| |
| #endif /* __GSL_SF_LAGUERRE_H__ */ |
