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C/C++ Source or Header  |  2001-08-22  |  2.3 KB  |  77 lines

  1. /* fft/hc_pass.h
  2.  * 
  3.  * Copyright (C) 1996, 1997, 1998, 1999, 2000 Brian Gough
  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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
  18.  */
  19.  
  20. #include "complex_internal.h"
  21.  
  22. static void
  23. FUNCTION(fft_halfcomplex,pass_2) (const BASE in[],
  24.                   const size_t istride,
  25.                   BASE out[],
  26.                   const size_t ostride,
  27.                   const size_t product,
  28.                   const size_t n,
  29.                   const TYPE(gsl_complex) twiddle[]);
  30.  
  31. static void
  32. FUNCTION(fft_halfcomplex,pass_3) (const BASE in[], 
  33.                   const size_t istride,
  34.                   BASE out[],
  35.                   const size_t ostride,
  36.                   const size_t product,
  37.                   const size_t n,
  38.                   const TYPE(gsl_complex) twiddle1[],
  39.                   const TYPE(gsl_complex) twiddle2[]);
  40.  
  41. static void
  42. FUNCTION(fft_halfcomplex,pass_4) (const BASE in[],
  43.                   const size_t istride,
  44.                   BASE out[],
  45.                   const size_t ostride,
  46.                   const size_t product,
  47.                   const size_t n,
  48.                   const TYPE(gsl_complex) twiddle1[],
  49.                   const TYPE(gsl_complex) twiddle2[],
  50.                   const TYPE(gsl_complex) twiddle3[]);
  51.  
  52. static void
  53. FUNCTION(fft_halfcomplex,pass_5) (const BASE in[],
  54.                   const size_t istride,
  55.                   BASE out[],
  56.                   const size_t ostride,
  57.                   const size_t product,
  58.                   const size_t n,
  59.                   const TYPE(gsl_complex) twiddle1[],
  60.                   const TYPE(gsl_complex) twiddle2[],
  61.                   const TYPE(gsl_complex) twiddle3[],
  62.                   const TYPE(gsl_complex) twiddle4[]);
  63.  
  64. static void
  65. FUNCTION(fft_halfcomplex,pass_n) (const BASE in[],
  66.                   const size_t istride,
  67.                   BASE out[],
  68.                   const size_t ostride,
  69.                   const size_t factor,
  70.                   const size_t product,
  71.                   const size_t n,
  72.                   const TYPE(gsl_complex) twiddle[]);
  73.  
  74.  
  75.  
  76.  
  77.