diff options
Diffstat (limited to 'thirdparty/includes/GSL/gsl/gsl_sf_laguerre.h')
-rw-r--r-- | thirdparty/includes/GSL/gsl/gsl_sf_laguerre.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/thirdparty/includes/GSL/gsl/gsl_sf_laguerre.h b/thirdparty/includes/GSL/gsl/gsl_sf_laguerre.h new file mode 100644 index 0000000..0d7f1c3 --- /dev/null +++ b/thirdparty/includes/GSL/gsl/gsl_sf_laguerre.h @@ -0,0 +1,68 @@ +/* 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 3 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__ */ |