/* fft/test.c

 * 

 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough

 * 

 * 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.

 */

#include <config.h>

#include <string.h>

#include <stddef.h>

#include <stdlib.h>

#include <stdio.h>

#include <math.h>

#include <float.h>

#include <gsl/gsl_complex.h>

#include <gsl/gsl_errno.h>

#include <gsl/gsl_dft_complex.h>

#include <gsl/gsl_fft_complex.h>

#include <gsl/gsl_fft_complex_float.h>

#include <gsl/gsl_fft_real.h>

#include <gsl/gsl_fft_real_float.h>

#include <gsl/gsl_fft_halfcomplex.h>

#include <gsl/gsl_fft_halfcomplex_float.h>

#include <gsl/gsl_ieee_utils.h>

#include <gsl/gsl_test.h>

void my_error_handler (const char *reason, const char *file,

                       int line, int err);

#include "complex_internal.h"

/* Usage: test [n]

   Exercise the fft routines for length n. By default n runs from 1 to 100.

   The exit status indicates success or failure. */

#define BASE_DOUBLE

#include "templates_on.h"

#include "compare_source.c"

#include "bitreverse.c"

#include "test_complex_source.c"

#include "test_real_source.c"

#include "test_trap_source.c"

#include "templates_off.h"

#undef  BASE_DOUBLE

#define BASE_FLOAT

#include "templates_on.h"

#include "compare_source.c"

#include "bitreverse.c"

#include "test_complex_source.c"

#include "test_real_source.c"

#include "test_trap_source.c"

#include "templates_off.h"

#undef  BASE_FLOAT

int

main (int argc, char *argv[])

{

  size_t i;

  size_t start = 1, end = 99;

  size_t stride ;

  size_t n = 0;

  gsl_ieee_env_setup ();

  if (argc == 2) 

    n = strtol (argv[1], NULL, 0);

  if (n)

    {

      start = n ;

      end = n ;

    }

  for (i = 1 ; i <= end ; i *= 2) 

    {

      if (i >= start) 

        {

          for (stride = 1 ; stride < 4 ; stride++)

            {

              test_complex_bitreverse_order (stride, i) ;

              test_complex_radix2 (stride, i) ;

              test_real_bitreverse_order (stride, i) ;

              test_real_radix2 (stride, i) ;

            }

        }

    }

  for (i = start ; i <= end ; i++) 

    {

      for (stride = 1 ; stride < 4 ; stride++)

        {

          test_complex_func (stride, i) ;

          test_complex_float_func (stride, i) ;

          test_real_func (stride, i) ;

          test_real_float_func (stride, i) ;

        }

    }

  gsl_set_error_handler (&my_error_handler);

  test_trap () ;

  test_float_trap () ;

  exit (gsl_test_summary ());

}

void

my_error_handler (const char *reason, const char *file, int line, int err)

{

  if (0) printf ("(caught [%s:%d: %s (%d)])\n", file, line, reason, err) ;

}