/* specfunc/bessel_amp_phase.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 _BESSEL_AMP_PHASE_H_ #define _BESSEL_AMP_PHASE_H_ #include "chebyshev.h" extern const cheb_series _gsl_sf_bessel_amp_phase_bm0_cs; extern const cheb_series _gsl_sf_bessel_amp_phase_bth0_cs; extern const cheb_series _gsl_sf_bessel_amp_phase_bm1_cs; extern const cheb_series _gsl_sf_bessel_amp_phase_bth1_cs; /* large argument expansions [Abramowitz+Stegun, 9.2.28-29] * * thetanu_corr = thetanu - x + 1/2 nu Pi * * assumes x > 0 */ int gsl_sf_bessel_asymp_Mnu_e(const double nu, const double x, double * result); int gsl_sf_bessel_asymp_thetanu_corr_e(const double nu, const double x, double * result); /* w/o x term */ #endif /* !_BESSEL_AMP_PHASE_H_ */