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/* spect.c -- the spectral test */
/*
Copyright 1999 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
The GNU MP Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
/* T is upper dimension. Z_A is the LC multiplier, which is
relatively prime to Z_M, the LC modulus. The result is put in
rop[] with v[t] in rop[t-2]. */
/* BUGS: Due to lazy allocation scheme, maximum T is hard coded to MAXT. */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>
#include "gmp.h"
#include "gmpstat.h"
int g_debug = 0;
int
main (int argc, char *argv[])
{
const char usage[] = "usage: spect [-d] a m n\n";
int c;
unsigned int n;
mpz_t a, m;
mpf_t res[GMP_SPECT_MAXT], res_min[GMP_SPECT_MAXT], f_tmp;
register int f;
mpz_init (a);
mpz_init (m);
for (f = 0; f < GMP_SPECT_MAXT; f++)
{
mpf_init (res[f]);
mpf_init (res_min[f]);
}
mpf_init (f_tmp);
mpf_set_ui (res_min[0], 32768); /* 2^15 */
mpf_set_ui (res_min[1], 1024); /* 2^10 */
mpf_set_ui (res_min[2], 256); /* 2^8 */
mpf_set_ui (res_min[3], 64); /* 2^6 */
mpf_set_ui (res_min[4], 32); /* 2^5 */
while ((c = getopt (argc, argv, "dh")) != -1)
switch (c)
{
case 'd': /* debug */
g_debug++;
break;
case 'h':
default:
fputs (usage, stderr);
exit (1);
}
argc -= optind;
argv += optind;
if (argc < 3)
{
fputs (usage, stderr);
exit (1);
}
mpz_set_str (a, argv[0], 0);
mpz_set_str (m, argv[1], 0);
n = (unsigned int) atoi (argv[2]);
if (n + 1 > GMP_SPECT_MAXT)
n = GMP_SPECT_MAXT + 1;
spectral_test (res, n, a, m);
for (f = 0; f < n - 1; f++)
{
/* print v */
printf ("%d: v = ", f + 2);
mpf_out_str (stdout, 10, 4, res[f]);
#ifdef PRINT_RAISED_BY_TWO_AS_WELL
printf (" (^2 = ");
mpf_mul (f_tmp, res[f], res[f]);
mpf_out_str (stdout, 10, 4, f_tmp);
printf (")");
#endif /* PRINT_RAISED_BY_TWO_AS_WELL */
/* print merit */
printf (" m = ");
merit (f_tmp, f + 2, res[f], m);
mpf_out_str (stdout, 10, 4, f_tmp);
if (mpf_cmp (res[f], res_min[f]) < 0)
printf ("\t*** v too low ***");
if (mpf_get_d (f_tmp) < .1)
printf ("\t*** merit too low ***");
puts ("");
}
mpz_clear (a);
mpz_clear (m);
for (f = 0; f < GMP_SPECT_MAXT; f++)
{
mpf_clear (res[f]);
mpf_clear (res_min[f]);
}
mpf_clear (f_tmp);
return 0;
}
void
debug_foo()
{
if (0)
{
mpz_dump (0);
mpf_dump (0);
}
}
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