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- /* fft/test.c
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000 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 2 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., 675 Mass Ave, Cambridge, MA 02139, 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) ;
- }
-