137 lines
3.0 KiB
C
137 lines
3.0 KiB
C
/* Test conversion and I/O using mpz_out_str and mpz_inp_str.
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Copyright 1993, 1994, 1996, 2000, 2001 Free Software Foundation, 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 "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#if HAVE_UNISTD_H
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#include <unistd.h> /* for unlink */
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#endif
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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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#define FILENAME "io.tmp"
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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 (stdout, base, x); fputc ('\n', stdout);
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}
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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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FILE *fp;
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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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size_t nread;
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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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fp = fopen (FILENAME, "w+");
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for (i = 0; i < reps; i++)
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{
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mpz_urandomb (bs, rands, 32);
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size_range = mpz_get_ui (bs) % 10 + 2;
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mpz_urandomb (bs, rands, size_range);
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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, 16);
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bsi = mpz_get_ui (bs);
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base = bsi % 36 + 1;
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if (base == 1)
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base = 0;
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rewind (fp);
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if (mpz_out_str (fp, base, op1) == 0
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|| putc (' ', fp) == EOF
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|| fflush (fp) != 0)
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{
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printf ("mpz_out_str write error\n");
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abort ();
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}
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rewind (fp);
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nread = mpz_inp_str (op2, fp, base);
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if (nread == 0)
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{
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if (ferror (fp))
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printf ("mpz_inp_str stream read error\n");
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else
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printf ("mpz_inp_str data conversion error\n");
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abort ();
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}
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if (nread != ftell(fp))
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{
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printf ("mpz_inp_str nread doesn't match ftell\n");
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printf (" nread %u\n", nread);
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printf (" ftell %ld\n", ftell(fp));
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abort ();
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}
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if (mpz_cmp (op1, op2))
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{
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printf ("ERROR\n");
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printf ("op1 = "); debug_mp (op1, -16);
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printf ("op2 = "); debug_mp (op2, -16);
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printf ("base = %d\n", base);
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abort ();
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}
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}
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fclose (fp);
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unlink (FILENAME);
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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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