133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/* Test conversion using mpz_get_str and mpz_set_str.
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Copyright 1993, 1994, 1996, 1999, 2000, 2001, 2002 Free Software Foundation,
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Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h> /* for strlen */
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "tests.h"
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void debug_mp _PROTO ((mpz_t, int));
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int
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main (int argc, char **argv)
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{
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mpz_t op1, op2;
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mp_size_t size;
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int i;
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int reps = 10000;
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char *str, *buf;
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int base;
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gmp_randstate_ptr rands;
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mpz_t bs;
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unsigned long bsi, size_range;
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tests_start ();
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rands = RANDS;
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mpz_init (bs);
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if (argc == 2)
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reps = atoi (argv[1]);
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mpz_init (op1);
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mpz_init (op2);
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for (i = 0; i < reps; i++)
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{
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/* 1. Generate random mpz_t and convert to a string and back to mpz_t
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again. */
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mpz_urandomb (bs, rands, 32);
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size_range = mpz_get_ui (bs) % 12 + 2; /* 2..13 */
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mpz_urandomb (bs, rands, size_range); /* 3..8191 bits */
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size = mpz_get_ui (bs);
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mpz_rrandomb (op1, rands, size);
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mpz_urandomb (bs, rands, 1);
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bsi = mpz_get_ui (bs);
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if ((bsi & 1) != 0)
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mpz_neg (op1, op1);
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mpz_urandomb (bs, rands, 32);
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bsi = mpz_get_ui (bs);
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base = bsi % 62 + 1;
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if (base == 1)
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base = 0;
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str = mpz_get_str ((char *) 0, base, op1);
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mpz_set_str_or_abort (op2, str, base);
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if (mpz_cmp (op1, op2))
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{
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fprintf (stderr, "ERROR, op1 and op2 different in test %d\n", i);
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fprintf (stderr, "str = %s\n", str);
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fprintf (stderr, "base = %d\n", base);
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fprintf (stderr, "op1 = "); debug_mp (op1, -16);
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fprintf (stderr, "op2 = "); debug_mp (op2, -16);
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abort ();
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}
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(*__gmp_free_func) (str, strlen (str) + 1);
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#if 0
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/* 2. Generate random string and convert to mpz_t and back to a string
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again. */
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mpz_urandomb (bs, rands, 32);
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size_range = mpz_get_ui (bs) % 10 + 2; /* 2..11 */
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mpz_urandomb (bs, rands, size_range); /* 3..2047 bits */
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len = mpz_get_ui (bs);
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buf = (*__gmp_allocate_func) (len + 1);
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string_urandomb (buf, len, base);
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mpz_set_str_or_abort (op1, buf, base);
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str = mpz_get_str ((char *) 0, base, op1);
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if (strcmp (str, buf) != 0)
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{
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fprintf (stderr, "ERROR, str and buf different\n");
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fprintf (stderr, "str = %s\n", str);
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fprintf (stderr, "buf = %s\n", buf);
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fprintf (stderr, "base = %d\n", base);
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fprintf (stderr, "op1 = "); debug_mp (op1, -16);
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abort ();
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}
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(*__gmp_free_func) (buf, len + 1);
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(*__gmp_free_func) (str, strlen (str) + 1);
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#endif
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}
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mpz_clear (bs);
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mpz_clear (op1);
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mpz_clear (op2);
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tests_end ();
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exit (0);
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}
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void
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debug_mp (mpz_t x, int base)
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{
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mpz_out_str (stderr, base, x); fputc ('\n', stderr);
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}
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