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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>
104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
/* Test mpf_cmp_d.
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Copyright 2001, 2003, 2003, 2005 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>
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#include "gmp-impl.h"
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#include "tests.h"
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#define SGN(n) ((n) > 0 ? 1 : (n) < 0 ? -1 : 0)
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void
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check_one (const char *name, mpf_srcptr x, double y, int cmp)
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{
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int got;
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got = mpf_cmp_d (x, y);
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if (SGN(got) != cmp)
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{
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int i;
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printf ("mpf_cmp_d wrong (from %s)\n", name);
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printf (" got %d\n", got);
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printf (" want %d\n", cmp);
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mpf_trace (" x", x);
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printf (" y %g\n", y);
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mp_trace_base=-16;
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mpf_trace (" x", x);
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printf (" y %g\n", y);
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printf (" y");
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for (i = 0; i < sizeof(y); i++)
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printf (" %02X", (unsigned) ((unsigned char *) &y)[i]);
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printf ("\n");
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abort ();
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}
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}
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void
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check_infinity (void)
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{
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mpf_t x;
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double y = tests_infinity_d ();
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if (y == 0.0)
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return;
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mpf_init (x);
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/* 0 cmp inf */
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mpf_set_ui (x, 0L);
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check_one ("check_infinity", x, y, -1);
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check_one ("check_infinity", x, -y, 1);
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/* 123 cmp inf */
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mpf_set_ui (x, 123L);
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check_one ("check_infinity", x, y, -1);
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check_one ("check_infinity", x, -y, 1);
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/* -123 cmp inf */
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mpf_set_si (x, -123L);
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check_one ("check_infinity", x, y, -1);
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check_one ("check_infinity", x, -y, 1);
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/* 2^5000 cmp inf */
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mpf_set_ui (x, 1L);
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mpf_mul_2exp (x, x, 5000L);
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check_one ("check_infinity", x, y, -1);
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check_one ("check_infinity", x, -y, 1);
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/* -2^5000 cmp inf */
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mpf_neg (x, x);
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check_one ("check_infinity", x, y, -1);
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check_one ("check_infinity", x, -y, 1);
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mpf_clear (x);
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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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tests_start ();
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check_infinity ();
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tests_end ();
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exit (0);
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}
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