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Annotation of OpenXM_contrib/gmp/tests/mpz/convert.c, Revision 1.1.1.1

1.1       ohara       1: /* Test conversion using mpz_get_str and mpz_set_str.
                      2:
                      3: Copyright 1993, 1994, 1996, 1999, 2000, 2001, 2002 Free Software Foundation,
                      4: 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: #include <stdio.h>
                     24: #include <stdlib.h>
                     25: #include <string.h> /* for strlen */
                     26:
                     27: #include "gmp.h"
                     28: #include "gmp-impl.h"
                     29: #include "tests.h"
                     30:
                     31: void debug_mp _PROTO ((mpz_t, int));
                     32:
                     33: int
                     34: main (int argc, char **argv)
                     35: {
                     36:   mpz_t op1, op2;
                     37:   mp_size_t size;
                     38:   int i;
                     39:   int reps = 10000;
                     40:   char *str, *buf;
                     41:   int base;
                     42:   gmp_randstate_ptr rands;
                     43:   mpz_t bs;
                     44:   unsigned long bsi, size_range;
                     45:
                     46:   tests_start ();
                     47:   rands = RANDS;
                     48:
                     49:   mpz_init (bs);
                     50:
                     51:   if (argc == 2)
                     52:      reps = atoi (argv[1]);
                     53:
                     54:   mpz_init (op1);
                     55:   mpz_init (op2);
                     56:
                     57:   for (i = 0; i < reps; i++)
                     58:     {
                     59:       /* 1. Generate random mpz_t and convert to a string and back to mpz_t
                     60:         again.  */
                     61:       mpz_urandomb (bs, rands, 32);
                     62:       size_range = mpz_get_ui (bs) % 12 + 2;   /* 2..13 */
                     63:       mpz_urandomb (bs, rands, size_range);    /* 3..8191 bits */
                     64:       size = mpz_get_ui (bs);
                     65:       mpz_rrandomb (op1, rands, size);
                     66:
                     67:       mpz_urandomb (bs, rands, 1);
                     68:       bsi = mpz_get_ui (bs);
                     69:       if ((bsi & 1) != 0)
                     70:        mpz_neg (op1, op1);
                     71:
                     72:       mpz_urandomb (bs, rands, 32);
                     73:       bsi = mpz_get_ui (bs);
                     74:       base = bsi % 36 + 1;
                     75:       if (base == 1)
                     76:        base = 0;
                     77:
                     78:       str = mpz_get_str ((char *) 0, base, op1);
                     79:       mpz_set_str_or_abort (op2, str, base);
                     80:
                     81:       if (mpz_cmp (op1, op2))
                     82:        {
                     83:          fprintf (stderr, "ERROR, op1 and op2 different in test %d\n", i);
                     84:          fprintf (stderr, "str  = %s\n", str);
                     85:          fprintf (stderr, "base = %d\n", base);
                     86:          fprintf (stderr, "op1  = "); debug_mp (op1, -16);
                     87:          fprintf (stderr, "op2  = "); debug_mp (op2, -16);
                     88:          abort ();
                     89:        }
                     90:
                     91:       (*__gmp_free_func) (str, strlen (str) + 1);
                     92:
                     93: #if 0
                     94:       /* 2. Generate random string and convert to mpz_t and back to a string
                     95:         again.  */
                     96:       mpz_urandomb (bs, rands, 32);
                     97:       size_range = mpz_get_ui (bs) % 10 + 2;   /* 2..11 */
                     98:       mpz_urandomb (bs, rands, size_range);    /* 3..2047 bits */
                     99:       len = mpz_get_ui (bs);
                    100:       buf = (*__gmp_allocate_func) (len + 1);
                    101:       string_urandomb (buf, len, base);
                    102:       mpz_set_str_or_abort (op1, buf, base);
                    103:       str = mpz_get_str ((char *) 0, base, op1);
                    104:
                    105:       if (strcmp (str, buf) != 0)
                    106:        {
                    107:          fprintf (stderr, "ERROR, str and buf different\n");
                    108:          fprintf (stderr, "str  = %s\n", str);
                    109:          fprintf (stderr, "buf  = %s\n", buf);
                    110:          fprintf (stderr, "base = %d\n", base);
                    111:          fprintf (stderr, "op1  = "); debug_mp (op1, -16);
                    112:          abort ();
                    113:        }
                    114:
                    115:       (*__gmp_free_func) (buf, len + 1);
                    116:       (*__gmp_free_func) (str, strlen (str) + 1);
                    117: #endif
                    118:     }
                    119:
                    120:   mpz_clear (bs);
                    121:   mpz_clear (op1);
                    122:   mpz_clear (op2);
                    123:
                    124:   tests_end ();
                    125:   exit (0);
                    126: }
                    127:
                    128: void
                    129: debug_mp (mpz_t x, int base)
                    130: {
                    131:   mpz_out_str (stderr, base, x); fputc ('\n', stderr);
                    132: }