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4c74403188
Change-Id: Iae65e95cfa0d92091b8b0a424ae36d88efa76aa9 Reviewed-on: https://review.haiku-os.org/c/buildtools/+/3020 Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
243 lines
6.5 KiB
C
243 lines
6.5 KiB
C
/* Test mpf_get_str and mpf_set_str.
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Copyright 1996, 2000, 2001, 2008, 2019 Free Software 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h> /* for strlen */
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#include "gmp-impl.h"
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#include "tests.h"
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#ifndef SIZE
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#define SIZE 10
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#endif
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#ifndef EXPO
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#define EXPO 200
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#endif
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int
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main (int argc, char **argv)
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{
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mpf_t x, y;
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int reps = 20000;
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int i;
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mp_size_t bprec = 100;
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mpf_t d, rerr, max_rerr, limit_rerr;
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char *str;
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mp_exp_t bexp;
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long size, exp;
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int base;
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char buf[SIZE * GMP_LIMB_BITS + 5];
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tests_start ();
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if (argc > 1)
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{
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reps = strtol (argv[1], 0, 0);
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if (argc > 2)
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bprec = strtol (argv[2], 0, 0);
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}
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mpf_set_default_prec (bprec);
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mpf_init_set_ui (limit_rerr, 1);
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mpf_div_2exp (limit_rerr, limit_rerr, bprec);
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#if VERBOSE
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mpf_dump (limit_rerr);
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#endif
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mpf_init (rerr);
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mpf_init_set_ui (max_rerr, 0);
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mpf_init (x);
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mpf_init (y);
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mpf_init (d);
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/* First test some specific values. */
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mpf_set_str (y, "1.23456", 0);
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mpf_set_str (x, "1.23456", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "00000000000000000000000000000000000000001.23456", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "0.000000000000000000000000000000000000000123456e40", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, ".000000000000000000000000000000000000000123456e40", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "00000000000000000000.00000000000000000000123456e21", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (y, "1.23456e1000", 0);
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mpf_set_str (x, "1.23456e1000", 10);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "1.23456e+1000", 0);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "1.23456e+1000", 10);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "00000000000000000000000000000000000000001.23456e+1000", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "0.000000000000000000000000000000000000000123456e+1040", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, ".000000000000000000000000000000000000000123456e+1040", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "00000000000000000000.00000000000000000000123456e+1021", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (y, "1.23456", 16);
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mpf_set_str (x, "00000000000000000000000000000000000000001.23456", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "0.000000000000000000000000000000000000000123456@28", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, ".000000000000000000000000000000000000000123456@28", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "00000000000000000000.00000000000000000000123456@15", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (y, "0", 10);
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mpf_set_str (x, "00000000000000000000000000000000000000000000000000000", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "0000000000000000000000000000000000000000000000000000.", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "000000000000000000000000000000000000000000000000000.0", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, ".0000000000000000000000000000000000000000000000000000", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "0.000000000000000000000000000000000000000000000000000", 10);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (y, "0", 16);
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mpf_set_str (x, "00000000000000000000000000000000000000000000000000000", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "0000000000000000000000000000000000000000000000000000.", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "000000000000000000000000000000000000000000000000000.0", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, ".0000000000000000000000000000000000000000000000000000", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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mpf_set_str (x, "0.000000000000000000000000000000000000000000000000000", 16);
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MPF_CHECK_FORMAT (x);
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if (mpf_cmp (x, y) != 0)
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abort ();
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/* Now test random values. */
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for (i = 0; i < reps; i++)
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{
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if (i == 0)
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{
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/* exercise the special case in get_str for for x==0 */
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mpf_set_ui (x, 0L);
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base = 0;
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}
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else
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{
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size = urandom () % (2 * SIZE) - SIZE;
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exp = urandom () % EXPO;
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mpf_random2 (x, size, exp);
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base = urandom () % 62;
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base += base > 0;
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}
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str = mpf_get_str (0, &bexp, base, 0, x);
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if (str[0] == '-')
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sprintf (buf, "-0.%s@%ld", str + 1, bexp);
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else
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sprintf (buf, "0.%s@%ld", str, bexp);
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mpf_set_str_or_abort (y, buf, -base);
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(*__gmp_free_func) (str, strlen (str) + 1);
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mpf_reldiff (rerr, x, y);
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if (mpf_cmp (rerr, max_rerr) > 0)
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{
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mpf_set (max_rerr, rerr);
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#if VERBOSE
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mpf_dump (max_rerr);
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#endif
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if (mpf_cmp (rerr, limit_rerr) > 0)
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{
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printf ("ERROR after %d tests\n", i);
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printf ("base = %d\n", base);
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printf (" x = "); mpf_dump (x);
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printf (" y = "); mpf_dump (y);
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abort ();
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}
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}
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}
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mpf_clear (limit_rerr);
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mpf_clear (rerr);
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mpf_clear (max_rerr);
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mpf_clear (x);
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mpf_clear (y);
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mpf_clear (d);
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tests_end ();
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exit (0);
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}
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