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Annotation of OpenXM_contrib/gmp/tests/rand/spect.c, Revision 1.1

1.1     ! maekawa     1: /* spect.c -- the spectral test */
        !             2:
        !             3: /*
        !             4: Copyright (C) 1999 Free Software Foundation, Inc.
        !             5:
        !             6: This file is part of the GNU MP Library.
        !             7:
        !             8: The GNU MP Library is free software; you can redistribute it and/or modify
        !             9: it under the terms of the GNU Lesser General Public License as published by
        !            10: the Free Software Foundation; either version 2.1 of the License, or (at your
        !            11: option) any later version.
        !            12:
        !            13: The GNU MP Library is distributed in the hope that it will be useful, but
        !            14: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            15: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            16: License for more details.
        !            17:
        !            18: You should have received a copy of the GNU Lesser General Public License
        !            19: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            21: MA 02111-1307, USA.
        !            22: */
        !            23:
        !            24: /* T is upper dimension.  Z_A is the LC multiplier, which is
        !            25:    relatively prime to Z_M, the LC modulus.  The result is put in
        !            26:    rop[] with v[t] in rop[t-2]. */
        !            27:
        !            28: /* BUGS: Due to lazy allocation scheme, maximum T is hard coded to MAXT. */
        !            29:
        !            30: #include <stdio.h>
        !            31: #include <stdlib.h>
        !            32: #include <unistd.h>
        !            33: #include <math.h>
        !            34: #include "gmp.h"
        !            35:
        !            36: #include "gmpstat.h"
        !            37:
        !            38: int g_debug = 0;
        !            39:
        !            40: int
        !            41: main (int argc, char *argv[])
        !            42: {
        !            43:   const char usage[] = "usage: spect [-d] a m n\n";
        !            44:   int c;
        !            45:   unsigned int n;
        !            46:   mpz_t a, m;
        !            47:   mpf_t res[GMP_SPECT_MAXT], res_min[GMP_SPECT_MAXT], f_tmp;
        !            48:   register int f;
        !            49:
        !            50:
        !            51:   mpz_init (a);
        !            52:   mpz_init (m);
        !            53:   for (f = 0; f < GMP_SPECT_MAXT; f++)
        !            54:     {
        !            55:       mpf_init (res[f]);
        !            56:       mpf_init (res_min[f]);
        !            57:     }
        !            58:   mpf_init (f_tmp);
        !            59:   mpf_set_ui (res_min[0], 32768); /* 2^15 */
        !            60:   mpf_set_ui (res_min[1], 1024); /* 2^10 */
        !            61:   mpf_set_ui (res_min[2], 256); /* 2^8 */
        !            62:   mpf_set_ui (res_min[3], 64); /* 2^6 */
        !            63:   mpf_set_ui (res_min[4], 32); /* 2^5 */
        !            64:
        !            65:   while ((c = getopt (argc, argv, "dh")) != -1)
        !            66:     switch (c)
        !            67:       {
        !            68:       case 'd':                        /* debug */
        !            69:        g_debug++;
        !            70:        break;
        !            71:       case 'h':
        !            72:       default:
        !            73:        fputs (usage, stderr);
        !            74:        exit (1);
        !            75:       }
        !            76:   argc -= optind;
        !            77:   argv += optind;
        !            78:
        !            79:   if (argc < 3)
        !            80:     {
        !            81:       fputs (usage, stderr);
        !            82:       exit (1);
        !            83:     }
        !            84:
        !            85:   mpz_set_str (a, argv[0], 0);
        !            86:   mpz_set_str (m, argv[1], 0);
        !            87:   n = (unsigned int) atoi (argv[2]);
        !            88:   if (n + 1 > GMP_SPECT_MAXT)
        !            89:     n = GMP_SPECT_MAXT + 1;
        !            90:
        !            91:   spectral_test (res, n, a, m);
        !            92:
        !            93:   for (f = 0; f < n - 1; f++)
        !            94:     {
        !            95:       /* print v */
        !            96:       printf ("%d: v = ", f + 2);
        !            97:       mpf_out_str (stdout, 10, 4, res[f]);
        !            98:
        !            99: #ifdef PRINT_RAISED_BY_TWO_AS_WELL
        !           100:       printf (" (^2 = ");
        !           101:       mpf_mul (f_tmp, res[f], res[f]);
        !           102:       mpf_out_str (stdout, 10, 4, f_tmp);
        !           103:       printf (")");
        !           104: #endif /* PRINT_RAISED_BY_TWO_AS_WELL */
        !           105:
        !           106:       /* print merit */
        !           107:       printf (" m = ");
        !           108:       merit (f_tmp, f + 2, res[f], m);
        !           109:       mpf_out_str (stdout, 10, 4, f_tmp);
        !           110:
        !           111:       if (mpf_cmp (res[f], res_min[f]) < 0)
        !           112:        printf ("\t*** v too low ***");
        !           113:       if (mpf_get_d (f_tmp) < .1)
        !           114:        printf ("\t*** merit too low ***");
        !           115:
        !           116:       puts ("");
        !           117:     }
        !           118:
        !           119:   mpz_clear (a);
        !           120:   mpz_clear (m);
        !           121:   for (f = 0; f < GMP_SPECT_MAXT; f++)
        !           122:     {
        !           123:       mpf_clear (res[f]);
        !           124:       mpf_clear (res_min[f]);
        !           125:     }
        !           126:   mpf_clear (f_tmp);
        !           127:
        !           128:   return 0;
        !           129: }
        !           130:
        !           131:
        !           132: void
        !           133: debug_foo()
        !           134: {
        !           135:   if (0)
        !           136:     {
        !           137:       mpz_dump (0);
        !           138:       mpf_dump (0);
        !           139:     }
        !           140: }