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

1.1     ! ohara       1: /* Test mpz_add, mpz_sub, mpz_add_ui, mpz_sub_ui, and mpz_ui_sub.
        !             2:
        !             3: Copyright 2002 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 "longlong.h"
        !            28: #include "tests.h"
        !            29:
        !            30: void debug_mp _PROTO ((mpz_t, int));
        !            31: void dump_abort _PROTO ((int, char *, mpz_t, mpz_t));
        !            32:
        !            33: int
        !            34: main (int argc, char **argv)
        !            35: {
        !            36:   mpz_t op1, op2, r1, r2;
        !            37:   mp_size_t op1n, op2n;
        !            38:   unsigned long int op2long;
        !            39:   int i;
        !            40:   int reps = 100000;
        !            41:   gmp_randstate_ptr rands;
        !            42:   mpz_t bs;
        !            43:   unsigned long bsi, size_range;
        !            44:
        !            45:   tests_start ();
        !            46:   rands = RANDS;
        !            47:
        !            48:   mpz_init (bs);
        !            49:
        !            50:   if (argc == 2)
        !            51:      reps = atoi (argv[1]);
        !            52:
        !            53:   mpz_init (op1);
        !            54:   mpz_init (op2);
        !            55:   mpz_init (r1);
        !            56:   mpz_init (r2);
        !            57:
        !            58:   for (i = 0; i < reps; i++)
        !            59:     {
        !            60:       mpz_urandomb (bs, rands, 32);
        !            61:       size_range = mpz_get_ui (bs) % 10 + 2;
        !            62:
        !            63:       mpz_urandomb (bs, rands, size_range);
        !            64:       op1n = mpz_get_ui (bs);
        !            65:       mpz_rrandomb (op1, rands, op1n);
        !            66:
        !            67:       mpz_urandomb (bs, rands, size_range);
        !            68:       op2n = mpz_get_ui (bs);
        !            69:       mpz_rrandomb (op2, rands, op2n);
        !            70:
        !            71:       mpz_urandomb (bs, rands, 2);
        !            72:       bsi = mpz_get_ui (bs);
        !            73:       if ((bsi & 1) != 0)
        !            74:        mpz_neg (op1, op1);
        !            75:       if ((bsi & 2) != 0)
        !            76:        mpz_neg (op2, op2);
        !            77:
        !            78:       /* printf ("%ld %ld\n", SIZ (multiplier), SIZ (multiplicand)); */
        !            79:
        !            80:       mpz_add (r1, op1, op2);
        !            81:       mpz_sub (r2, r1, op2);
        !            82:       if (mpz_cmp (r2, op1) != 0)
        !            83:        dump_abort (i, "mpz_add or mpz_sub incorrect", op1, op2);
        !            84:
        !            85:       if (mpz_fits_ulong_p (op2))
        !            86:        {
        !            87:          op2long = mpz_get_ui (op2);
        !            88:          mpz_add_ui (r1, op1, op2long);
        !            89:          mpz_sub_ui (r2, r1, op2long);
        !            90:          if (mpz_cmp (r2, op1) != 0)
        !            91:            dump_abort (i, "mpz_add_ui or mpz_sub_ui incorrect", op1, op2);
        !            92:
        !            93:          mpz_ui_sub (r1, op2long, op1);
        !            94:          mpz_sub_ui (r2, op1, op2long);
        !            95:          mpz_neg (r2, r2);
        !            96:          if (mpz_cmp (r1, r2) != 0)
        !            97:            dump_abort (i, "mpz_add_ui or mpz_ui_sub incorrect", op1, op2);
        !            98:        }
        !            99:     }
        !           100:
        !           101:   mpz_clear (bs);
        !           102:   mpz_clear (op1);
        !           103:   mpz_clear (op2);
        !           104:   mpz_clear (r1);
        !           105:   mpz_clear (r2);
        !           106:
        !           107:   tests_end ();
        !           108:   exit (0);
        !           109: }
        !           110:
        !           111: void
        !           112: dump_abort (int i, char *s, mpz_t op1, mpz_t op2)
        !           113: {
        !           114:   fprintf (stderr, "ERROR: %s in test %d\n", s, i);
        !           115:   fprintf (stderr, "op1 = "); debug_mp (op1, -16);
        !           116:   fprintf (stderr, "op2 = "); debug_mp (op2, -16);
        !           117:   abort();
        !           118: }
        !           119:
        !           120: void
        !           121: debug_mp (mpz_t x, int base)
        !           122: {
        !           123:   mpz_out_str (stderr, base, x); fputc ('\n', stderr);
        !           124: }