152 lines
3.2 KiB
C
152 lines
3.2 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, 2012, 2020 Free Software
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Foundation, Inc.
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This file is part of the GNU MP Library test suite.
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The GNU MP Library test suite is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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The GNU MP Library test suite is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License for more details.
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You should have received a copy of the GNU General Public License along with
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the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
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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-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, base_out;
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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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if (mpz_out_str (fp, 63, op1) != 0)
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{
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printf ("mpz_out_str did not return 0 (error) with base > 62\n");
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abort ();
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}
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if (mpz_out_str (fp, -37, op1) != 0)
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{
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printf ("mpz_out_str did not return 0 (error) with base < -37\n");
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abort ();
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}
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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 % 62 + 1;
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if (base == 1)
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base = 0;
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if (i % 2 == 0 && base <= 36)
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base_out = -base;
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else
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base_out = base;
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rewind (fp);
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if (mpz_out_str (fp, base_out, 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 %lu\n", (unsigned long) 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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