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-rw-r--r--gmp/mini-gmp/tests/t-double.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/gmp/mini-gmp/tests/t-double.c b/gmp/mini-gmp/tests/t-double.c
deleted file mode 100644
index 9e8101ecfd..0000000000
--- a/gmp/mini-gmp/tests/t-double.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
-
-Copyright 2012, 2013 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library test suite.
-
-The GNU MP Library test suite is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 3 of the License,
-or (at your option) any later version.
-
-The GNU MP Library test suite is distributed in the hope that it will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
-Public License for more details.
-
-You should have received a copy of the GNU General Public License along with
-the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
-
-#include <limits.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "testutils.h"
-
-#define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT)
-
-#define COUNT 10000
-
-static const struct
-{
- double d;
- const char *s;
-} values[] = {
- { 0.0, "0" },
- { 0.3, "0" },
- { -0.3, "0" },
- { M_PI, "3" },
- { M_PI*1e15, "b29430a256d21" },
- { -M_PI*1e15, "-b29430a256d21" },
- /* 17 * 2^{200} =
- 27317946752402834684213355569799764242877450894307478200123392 */
- {0.2731794675240283468421335556979976424288e62,
- "1100000000000000000000000000000000000000000000000000" },
- { 0.0, NULL }
-};
-
-void
-testmain (int argc, char **argv)
-{
- unsigned i;
- mpz_t x;
-
- for (i = 0; values[i].s; i++)
- {
- char *s;
- mpz_init_set_d (x, values[i].d);
- s = mpz_get_str (NULL, 16, x);
- if (strcmp (s, values[i].s) != 0)
- {
- fprintf (stderr, "mpz_set_d failed:\n"
- "d = %.20g\n"
- "s = %s\n"
- "r = %s\n",
- values[i].d, s, values[i].s);
- abort ();
- }
- testfree (s);
- mpz_clear (x);
- }
-
- mpz_init (x);
-
- for (i = 0; i < COUNT; i++)
- {
- /* Use volatile, to avoid extended precision in floating point
- registers, e.g., on m68k and 80387. */
- volatile double d, f;
- unsigned long m;
- int e;
-
- mini_rrandomb (x, GMP_LIMB_BITS);
- m = mpz_get_ui (x);
- mini_urandomb (x, 8);
- e = mpz_get_ui (x) - 100;
-
- d = ldexp ((double) m, e);
- mpz_set_d (x, d);
- f = mpz_get_d (x);
- if (f != floor (d))
- {
- fprintf (stderr, "mpz_set_d/mpz_get_d failed:\n");
- goto dumperror;
- }
- if ((f == d) ? (mpz_cmp_d (x, d) != 0) : (mpz_cmp_d (x, d) >= 0))
- {
- fprintf (stderr, "mpz_cmp_d (x, d) failed:\n");
- goto dumperror;
- }
- f = d + 1.0;
- if (f > d && ! (mpz_cmp_d (x, f) < 0))
- {
- fprintf (stderr, "mpz_cmp_d (x, f) failed:\n");
- goto dumperror;
- }
-
- d = - d;
-
- mpz_set_d (x, d);
- f = mpz_get_d (x);
- if (f != ceil (d))
- {
- fprintf (stderr, "mpz_set_d/mpz_get_d failed:\n");
- dumperror:
- dump ("x", x);
- fprintf (stderr, "m = %lx, e = %i\n", m, e);
- fprintf (stderr, "d = %.15g\n", d);
- fprintf (stderr, "f = %.15g\n", f);
- fprintf (stderr, "f - d = %.5g\n", f - d);
- abort ();
- }
- if ((f == d) ? (mpz_cmp_d (x, d) != 0) : (mpz_cmp_d (x, d) <= 0))
- {
- fprintf (stderr, "mpz_cmp_d (x, d) failed:\n");
- goto dumperror;
- }
- f = d - 1.0;
- if (f < d && ! (mpz_cmp_d (x, f) > 0))
- {
- fprintf (stderr, "mpz_cmp_d (x, f) failed:\n");
- goto dumperror;
- }
- }
-
- mpz_clear (x);
-}