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scatt
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utils
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bessel
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bessel.h

bessel.h 3.0 KB
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  1. //**********************************************************************************//
    2. 

  2. //    Copyright (C) 2009-2015  Ovidio Pena <ovidio@bytesfall.com>                   //
    3. 

  3. //    Copyright (C) 2013-2015  Konstantin Ladutenko <kostyfisik@gmail.com>          //
    4. 

  4. //                                                                                  //
    5. 

  5. //    This file is part of scattnlay                                                //
    6. 

  6. //                                                                                  //
    7. 

  7. //    This program is free software: you can redistribute it and/or modify          //
    8. 

  8. //    it under the terms of the GNU General Public License as published by          //
    9. 

  9. //    the Free Software Foundation, either version 3 of the License, or             //
    10. 

  10. //    (at your option) any later version.                                           //
    11. 

  11. //                                                                                  //
    12. 

  12. //    This program is distributed in the hope that it will be useful,               //
    13. 

  13. //    but WITHOUT ANY WARRANTY; without even the implied warranty of                //
    14. 

  14. //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 //
    15. 

  15. //    GNU General Public License for more details.                                  //
    16. 

  16. //                                                                                  //
    17. 

  17. //    The only additional remark is that we expect that all publications            //
    18. 

  18. //    describing work using this software, or all commercial products               //
    19. 

  19. //    using it, cite the following reference:                                       //
    20. 

  20. //    [1] O. Pena and U. Pal, "Scattering of electromagnetic radiation by           //
    21. 

  21. //        a multilayered sphere," Computer Physics Communications,                  //
    22. 

  22. //        vol. 180, Nov. 2009, pp. 2348-2354.                                       //
    23. 

  23. //                                                                                  //
    24. 

  24. //    You should have received a copy of the GNU General Public License             //
    25. 

  25. //    along with this program.  If not, see <http://www.gnu.org/licenses/>.         //
    26. 

  26. //**********************************************************************************//
    27. 

  27. #include <complex>
    28. 

  28. #include <vector>
    29. 

  29. namespace nmie {
    30. 

  30.   namespace bessel {
    31. 

  31.     void calcZeta(int n,  std::complex<double>z,
    32. 

  32. 		  std::vector< std::complex<double> > &Zeta,
    33. 

  33. 		  std::vector< std::complex<double> > &dZeta);
    34. 

  34.     void calcPsi(int n,  std::complex<double>z,
    35. 

  35. 		  std::vector< std::complex<double> >& Psi,
    36. 

  36. 		  std::vector< std::complex<double> >& dPsi);
    37. 

  37.     void csphjy (int n, std::complex<double>z, int& nm,
    38. 

  38. 		 std::vector< std::complex<double> >& csj,
    39. 

  39. 		 std::vector< std::complex<double> >& cdj,
    40. 

  40. 		 std::vector< std::complex<double> >& csy,
    41. 

  41. 		 std::vector< std::complex<double> >& cdy );
    42. 

  42.     double envj (int n, double x );
    43. 

  43.     int msta2 ( double x, int n, int mp );
    44. 

  44.     int  msta1 ( double x, int mp );
    45. 

  45.   }  // end of namespace bessel
    46. 

  46. }  // end of namespace nmie
    47.