#ifndef GSL_SF_LAGUERRE_H_
#define GSL_SF_LAGUERRE_H_


/* Evaluate generalized Laguerre polynomials
 * using explicit representations.
 */
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);
double gsl_sf_laguerre_4(double a, double x);
double gsl_sf_laguerre_5(double a, double x);


/* Evaluate generalized Laguerre polynomials
 * using continued product representation.
 * For n<=5 it is better to use the explicit
 * functions, which are faster by approximately
 * a factor of 2--3.
 */
double gsl_sf_laguerre_cp(int n, double a, double x);


#endif /* GSL_SF_LAGUERRE_H_ */