141 lines
3.3 KiB
C
141 lines
3.3 KiB
C
/* spect.c -- the spectral test */
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/*
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Copyright 1999 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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*/
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/* T is upper dimension. Z_A is the LC multiplier, which is
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relatively prime to Z_M, the LC modulus. The result is put in
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rop[] with v[t] in rop[t-2]. */
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/* BUGS: Due to lazy allocation scheme, maximum T is hard coded to MAXT. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <math.h>
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#include "gmp.h"
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#include "gmpstat.h"
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int g_debug = 0;
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int
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main (int argc, char *argv[])
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{
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const char usage[] = "usage: spect [-d] a m n\n";
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int c;
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unsigned int n;
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mpz_t a, m;
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mpf_t res[GMP_SPECT_MAXT], res_min[GMP_SPECT_MAXT], f_tmp;
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register int f;
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mpz_init (a);
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mpz_init (m);
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for (f = 0; f < GMP_SPECT_MAXT; f++)
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{
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mpf_init (res[f]);
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mpf_init (res_min[f]);
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}
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mpf_init (f_tmp);
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mpf_set_ui (res_min[0], 32768); /* 2^15 */
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mpf_set_ui (res_min[1], 1024); /* 2^10 */
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mpf_set_ui (res_min[2], 256); /* 2^8 */
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mpf_set_ui (res_min[3], 64); /* 2^6 */
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mpf_set_ui (res_min[4], 32); /* 2^5 */
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while ((c = getopt (argc, argv, "dh")) != -1)
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switch (c)
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{
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case 'd': /* debug */
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g_debug++;
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break;
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case 'h':
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default:
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fputs (usage, stderr);
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exit (1);
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}
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argc -= optind;
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argv += optind;
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if (argc < 3)
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{
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fputs (usage, stderr);
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exit (1);
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}
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mpz_set_str (a, argv[0], 0);
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mpz_set_str (m, argv[1], 0);
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n = (unsigned int) atoi (argv[2]);
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if (n + 1 > GMP_SPECT_MAXT)
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n = GMP_SPECT_MAXT + 1;
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spectral_test (res, n, a, m);
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for (f = 0; f < n - 1; f++)
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{
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/* print v */
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printf ("%d: v = ", f + 2);
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mpf_out_str (stdout, 10, 4, res[f]);
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#ifdef PRINT_RAISED_BY_TWO_AS_WELL
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printf (" (^2 = ");
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mpf_mul (f_tmp, res[f], res[f]);
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mpf_out_str (stdout, 10, 4, f_tmp);
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printf (")");
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#endif /* PRINT_RAISED_BY_TWO_AS_WELL */
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/* print merit */
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printf (" m = ");
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merit (f_tmp, f + 2, res[f], m);
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mpf_out_str (stdout, 10, 4, f_tmp);
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if (mpf_cmp (res[f], res_min[f]) < 0)
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printf ("\t*** v too low ***");
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if (mpf_get_d (f_tmp) < .1)
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printf ("\t*** merit too low ***");
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puts ("");
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}
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mpz_clear (a);
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mpz_clear (m);
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for (f = 0; f < GMP_SPECT_MAXT; f++)
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{
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mpf_clear (res[f]);
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mpf_clear (res_min[f]);
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}
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mpf_clear (f_tmp);
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return 0;
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}
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void
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debug_foo()
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{
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if (0)
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{
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mpz_dump (0);
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mpf_dump (0);
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}
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}
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