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-rw-r--r--gsl-1.9/fft/test.c126
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diff --git a/gsl-1.9/fft/test.c b/gsl-1.9/fft/test.c
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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., 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) ;
+}