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73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/* talloc -- test file concerning memory allocation
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Copyright 2015-2018 Free Software Foundation, Inc.
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Contributed by the AriC and Caramba projects, INRIA.
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This file is part of the GNU MPFR Library.
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The GNU MPFR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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The GNU MPFR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see
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http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
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#include "mpfr-test.h"
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/* We enable the test only when MPFR_ALLOCA_MAX is not greater than the
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default value: we do not want to make the test fail if the user has
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redefined MPFR_ALLOCA_MAX to a very large value. */
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/* Needed with --with-gmp-build */
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#ifndef MPFR_ALLOCA_MAX
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# define MPFR_ALLOCA_MAX 16384
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#endif
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/* ISO C99 is needed by MPFR_DECL_INIT. */
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#if __MPFR_STDC (199901L) && MPFR_ALLOCA_MAX <= 16384
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int
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main (void)
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{
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MPFR_DECL_INIT (x, 4 + MPFR_ALLOCA_MAX * CHAR_BIT);
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MPFR_DECL_INIT (y, 8 + MPFR_ALLOCA_MAX * CHAR_BIT);
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tests_start_mpfr ();
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/* We do not want to use mpfr_add1sp because if MPFR_WANT_ASSERT >= 2,
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mpfr_init is used. The following test is based on the fact that
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MPFR_TMP_LIMBS_ALLOC is used in mpfr_add1 before any other form
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of memory allocation. In r9454, this crashes because the memory
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allocation function used by this macro (under the condition that
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the size is > MPFR_ALLOCA_MAX) isn't defined yet. This bug comes
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from r8813.
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WARNING! Do not add MPFR calls before this test. Otherwise the
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mentioned problem may no longer be actually tested, making this
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test useless. For other allocation tests, it is better to use a
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different test file. */
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mpfr_set_ui (x, 1, MPFR_RNDN);
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mpfr_set_ui (y, 2, MPFR_RNDN);
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mpfr_add (x, x, y, MPFR_RNDN);
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tests_end_mpfr ();
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return 0;
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}
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#else
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int
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main (void)
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{
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return 77;
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}
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#endif
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