Add Chromium-only Blender WebEngine parity work
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mes123456
348
blender-5.2.0/extern/gmp-source/mini-gmp/tests/t-signed.c
vendored
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348
blender-5.2.0/extern/gmp-source/mini-gmp/tests/t-signed.c
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/* Exercise some mpz_..._si functions.
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Copyright 2013, 2016, 2020 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 <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "testutils.h"
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/* Always called with sz fitting in a signed long, and si is the
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corresponding value. */
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int
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check_si (const mpz_t sz, long si)
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{
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mpz_t t;
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/* Checks on sz/si */
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if ((mpz_cmp_si (sz, si)) != 0)
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{
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printf ("mpz_cmp_si (sz, %ld) != 0.\n", si);
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return 0;
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}
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if (mpz_get_si (sz) != si)
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{
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printf ("mpz_get_si (sz) != %ld.\n", si);
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return 0;
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}
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mpz_init_set_si (t, si);
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if (mpz_cmp (t, sz) != 0)
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{
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printf ("mpz_init_set_si (%ld) failed.\n", si);
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printf (" got="); mpz_out_str (stdout, 10, t); printf ("\n");
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return 0;
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}
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mpz_clear (t);
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return 1;
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}
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/* Called with mpz_cmp (sz, oz) == c. If sz fits in a signed long,
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si is the coresponding value, and similarly for oz and oi. */
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void
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check_si_cmp (const mpz_t sz, const mpz_t oz, long si, long oi, int c)
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{
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if (mpz_cmp (sz, oz) != c)
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{
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printf ("mpz_cmp (sz, oz) != %i.\n", c);
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goto fail;
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}
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if (mpz_fits_slong_p (sz))
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{
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if (!check_si (sz, si))
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goto fail;
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if (mpz_cmp_si (oz, si) != -c)
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{
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printf ("mpz_cmp_si (oz, %ld) != %i.\n", si, -c);
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goto fail;
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}
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}
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else
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{
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if (mpz_cmp_si (sz, si) != c)
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{
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printf ("mpz_cmp_si (sz, %ld) != %i.\n", si, c);
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goto fail;
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}
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if (mpz_cmp_si (sz, -c) != c)
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{
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printf ("mpz_cmp_si (sz, %i) != %i.\n", -c, c);
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goto fail;
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}
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}
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if (mpz_fits_slong_p (oz))
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{
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if (!check_si (oz, oi))
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goto fail;
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if (mpz_cmp_si (sz, oi) != c)
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{
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printf ("mpz_cmp_si (sz, %ld) != %i.\n", oi, c);
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goto fail;
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}
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}
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return;
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fail:
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printf (" sz="); mpz_out_str (stdout, 10, sz); printf ("\n");
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printf (" si=%ld\n", si);
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printf (" oz="); mpz_out_str (stdout, 10, oz); printf ("\n");
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printf (" oi=%ld\n", si);
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abort ();
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}
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void
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try_op_si (int c)
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{
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long si, oi;
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mpz_t sz, oz;
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unsigned overflow_count;
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si = c;
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mpz_init_set_si (sz, si);
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oi = si;
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mpz_init_set (oz, sz);
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/* To get a few tests with operands straddling the border, don't
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stop at the very first operand exceeding a signed long. */
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for (overflow_count = 0; overflow_count < 10; )
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{
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/* c * 2^k */
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mpz_mul_2exp (sz, sz, 1);
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if (mpz_fits_slong_p (sz))
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si *= 2;
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else
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overflow_count++;
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check_si_cmp (sz, oz, si, oi, c);
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/* c * (2^k + 1) */
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if (c == -1)
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mpz_sub_ui (oz, sz, 1);
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else
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mpz_add_ui (oz, sz, 1);
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if (mpz_fits_slong_p (oz))
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oi = si + c;
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else
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overflow_count++;
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check_si_cmp (oz, sz, oi, si, c);
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/* c * (2^K - 1) */
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mpz_mul_si (oz, sz, 2*c);
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if (c == -1)
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mpz_ui_sub (oz, 1, oz); /* oz = sz * 2 + 1 */
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else
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mpz_sub_ui (oz, oz, 1); /* oz = sz * 2 - 1 */
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if (mpz_fits_slong_p (oz))
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oi = (si - c) * 2 + c;
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else
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overflow_count++;
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check_si_cmp (oz, sz, oi, si, c);
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};
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mpz_clear (sz);
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mpz_clear (oz);
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}
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void
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try_fits_slong_p (void)
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{
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mpz_t x;
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mpz_init_set_si (x, LONG_MAX);
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if (!mpz_fits_slong_p (x))
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{
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printf ("mpz_fits_slong_p (LONG_MAX) false!\n");
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abort ();
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}
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mpz_add_ui (x, x, 1);
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if (mpz_fits_slong_p (x))
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{
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printf ("mpz_fits_slong_p (LONG_MAX + 1) true!\n");
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abort ();
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}
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mpz_set_si (x, LONG_MIN);
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if (!mpz_fits_slong_p (x))
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{
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printf ("mpz_fits_slong_p (LONG_MIN) false!\n");
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abort ();
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}
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mpz_sub_ui (x, x, 1);
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if (mpz_fits_slong_p (x))
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{
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printf ("mpz_fits_slong_p (LONG_MIN - 1) true!\n");
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abort ();
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}
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mpz_clear (x);
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}
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void
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try_fits_utype_p (void)
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{
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mpz_t x;
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mpz_init (x);
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if (!mpz_fits_ulong_p (x))
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{
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printf ("mpz_fits_ulong_p (0) false!\n");
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abort ();
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}
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if (!mpz_fits_uint_p (x))
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{
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printf ("mpz_fits_uint_p (0) false!\n");
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abort ();
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}
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if (!mpz_fits_ushort_p (x))
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{
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printf ("mpz_fits_udhort_p (0) false!\n");
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abort ();
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}
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mpz_set_si (x, -1);
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if (mpz_fits_ulong_p (x))
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{
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printf ("mpz_fits_ulong_p (- 1) true!\n");
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abort ();
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}
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if (mpz_fits_uint_p (x))
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{
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printf ("mpz_fits_uint_p (- 1) true!\n");
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abort ();
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}
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if (mpz_fits_ushort_p (x))
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{
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printf ("mpz_fits_ushort_p (- 1) true!\n");
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abort ();
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}
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mpz_set_ui (x, ULONG_MAX);
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if (!mpz_fits_ulong_p (x))
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{
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printf ("mpz_fits_ulong_p (ULONG_MAX) false!\n");
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abort ();
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}
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mpz_add_ui (x, x, 1);
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if (mpz_fits_ulong_p (x))
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{
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printf ("mpz_fits_ulong_p (ULONG_MAX + 1) true!\n");
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abort ();
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}
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mpz_set_ui (x, UINT_MAX);
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if (!mpz_fits_uint_p (x))
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{
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printf ("mpz_fits_uint_p (UINT_MAX) false!\n");
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abort ();
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}
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mpz_add_ui (x, x, 1);
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if (mpz_fits_uint_p (x))
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{
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printf ("mpz_fits_uint_p (UINT_MAX + 1) true!\n");
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abort ();
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}
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mpz_set_ui (x, USHRT_MAX);
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if (!mpz_fits_ushort_p (x))
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{
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printf ("mpz_fits_ushort_p (USHRT_MAX) false!\n");
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abort ();
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}
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mpz_add_ui (x, x, 1);
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if (mpz_fits_ushort_p (x))
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{
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printf ("mpz_fits_ushort_p (USHRT_MAX + 1) true!\n");
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abort ();
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}
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mpz_clear (x);
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}
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void
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try_fits_sint_p (void)
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{
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mpz_t x;
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mpz_init_set_si (x, INT_MAX);
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if (!mpz_fits_sint_p (x))
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{
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printf ("mpz_fits_sint_p (INT_MAX) false!\n");
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abort ();
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}
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mpz_add_ui (x, x, 1);
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if (mpz_fits_sint_p (x))
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{
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printf ("mpz_fits_sint_p (INT_MAX + 1) true!\n");
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abort ();
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}
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mpz_set_si (x, INT_MIN);
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if (!mpz_fits_sint_p (x))
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{
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printf ("mpz_fits_sint_p (INT_MIN) false!\n");
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abort ();
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}
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mpz_sub_ui (x, x, 1);
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if (mpz_fits_sint_p (x))
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{
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printf ("mpz_fits_sint_p (INT_MIN - 1) true!\n");
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abort ();
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}
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mpz_clear (x);
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}
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void
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try_fits_sshort_p (void)
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{
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mpz_t x;
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mpz_init_set_si (x, SHRT_MAX);
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if (!mpz_fits_sshort_p (x))
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{
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printf ("mpz_fits_sshort_p (SHRT_MAX) false!\n");
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abort ();
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}
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mpz_add_ui (x, x, 1);
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if (mpz_fits_sshort_p (x))
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{
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printf ("mpz_fits_sshort_p (SHRT_MAX + 1) true!\n");
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abort ();
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}
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mpz_set_si (x, SHRT_MIN);
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if (!mpz_fits_sshort_p (x))
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{
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printf ("mpz_fits_sshort_p (SHRT_MIN) false!\n");
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abort ();
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}
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mpz_sub_ui (x, x, 1);
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if (mpz_fits_sshort_p (x))
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{
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printf ("mpz_fits_sshort_p (SHRT_MIN - 1) true!\n");
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abort ();
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}
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mpz_clear (x);
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}
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void
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testmain (int argc, char *argv[])
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{
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try_fits_slong_p ();
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try_fits_sint_p ();
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try_fits_sshort_p ();
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try_fits_utype_p ();
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try_op_si (-1);
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try_op_si (1);
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}
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