gsl_specfunc__bessel_amp_phase.h 1.5 KB

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  1. /* specfunc/bessel_amp_phase.h
  2. *
  3. * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation; either version 3 of the License, or (at
  8. * your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful, but
  11. * WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. * General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18. */
  19. /* Author: G. Jungman */
  20. #ifndef _BESSEL_AMP_PHASE_H_
  21. #define _BESSEL_AMP_PHASE_H_
  22. #include "gsl_specfunc__chebyshev.h"
  23. extern const cheb_series _gsl_sf_bessel_amp_phase_bm0_cs;
  24. extern const cheb_series _gsl_sf_bessel_amp_phase_bth0_cs;
  25. extern const cheb_series _gsl_sf_bessel_amp_phase_bm1_cs;
  26. extern const cheb_series _gsl_sf_bessel_amp_phase_bth1_cs;
  27. /* large argument expansions [Abramowitz+Stegun, 9.2.28-29]
  28. *
  29. * thetanu_corr = thetanu - x + 1/2 nu Pi
  30. *
  31. * assumes x > 0
  32. */
  33. int gsl_sf_bessel_asymp_Mnu_e(const double nu, const double x, double * result);
  34. int gsl_sf_bessel_asymp_thetanu_corr_e(const double nu, const double x, double * result); /* w/o x term */
  35. #endif /* !_BESSEL_AMP_PHASE_H_ */