Return to t-perfsqr.c CVS log

Up to [local] / OpenXM_contrib / gmp / tests / mpz

Annotation of OpenXM_contrib/gmp/tests/mpz/t-perfsqr.c, Revision 1.1

1.1     ! ohara       1: /* Test mpz_perfect_square_p and mpz_perfect_power_p
        !             2:
        !             3: Copyright 2000, 2001 Free Software Foundation, Inc.
        !             4:
        !             5: This file is part of the GNU MP Library.
        !             6:
        !             7: The GNU MP Library is free software; you can redistribute it and/or modify
        !             8: it under the terms of the GNU Lesser General Public License as published by
        !             9: the Free Software Foundation; either version 2.1 of the License, or (at your
        !            10: option) any later version.
        !            11:
        !            12: The GNU MP Library is distributed in the hope that it will be useful, but
        !            13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            15: License for more details.
        !            16:
        !            17: You should have received a copy of the GNU Lesser General Public License
        !            18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            20: MA 02111-1307, USA. */
        !            21:
        !            22: #include <stdio.h>
        !            23: #include <stdlib.h>
        !            24:
        !            25: #include "gmp.h"
        !            26: #include "gmp-impl.h"
        !            27: #include "tests.h"
        !            28:
        !            29: void debug_mp _PROTO ((mpz_t, int));
        !            30:
        !            31: int
        !            32: main (int argc, char **argv)
        !            33: {
        !            34:   mpz_t x2, x2t, x;
        !            35:   mp_size_t x2n;
        !            36:   int res;
        !            37:   int i;
        !            38:   /* int cnt = 0; */
        !            39:   int reps = 100000;
        !            40:   gmp_randstate_ptr rands;
        !            41:   mpz_t bs;
        !            42:
        !            43:   tests_start ();
        !            44:   rands = RANDS;
        !            45:
        !            46:   mpz_init (bs);
        !            47:
        !            48:   if (argc == 2)
        !            49:      reps = atoi (argv[1]);
        !            50:
        !            51:   mpz_init (x2);
        !            52:   mpz_init (x);
        !            53:   mpz_init (x2t);
        !            54:
        !            55:   for (i = 0; i < reps; i++)
        !            56:     {
        !            57:       mpz_urandomb (bs, rands, 9);
        !            58:       x2n = mpz_get_ui (bs);
        !            59:       mpz_rrandomb (x2, rands, x2n);
        !            60:       /* mpz_out_str (stdout, -16, x2); puts (""); */
        !            61:
        !            62:       res = mpz_perfect_square_p (x2);
        !            63:       mpz_sqrt (x, x2);
        !            64:       mpz_mul (x2t, x, x);
        !            65:
        !            66:       if (res != (mpz_cmp (x2, x2t) == 0))
        !            67:        abort ();
        !            68:
        !            69:       /* cnt += res != 0; */
        !            70:     }
        !            71:   /* printf ("%d/%d perfect squares\n", cnt, reps); */
        !            72:
        !            73:   mpz_clear (bs);
        !            74:   mpz_clear (x2);
        !            75:   mpz_clear (x);
        !            76:   mpz_clear (x2t);
        !            77:
        !            78:   tests_end ();
        !            79:   exit (0);
        !            80: }
        !            81:
        !            82: void
        !            83: debug_mp (mpz_t x, int base)
        !            84: {
        !            85:   mpz_out_str (stderr, base, x); fputc ('\n', stderr);
        !            86: }