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974e12c1f0
Old version was 3.1.2 and is quite old: 2013-03-13 A lot has happened since then 4.0.1 is from 2018-02-07
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/* Test file for mpfr_init2, mpfr_inits, mpfr_inits2 and mpfr_clears.
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Copyright 2003, 2006-2018 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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int
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main (void)
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{
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mpfr_t a, b, c;
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long large_prec;
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tests_start_mpfr ();
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mpfr_inits (a, b, c, (mpfr_ptr) 0);
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mpfr_clears (a, b, c, (mpfr_ptr) 0);
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mpfr_inits2 (200, a, b, c, (mpfr_ptr) 0);
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mpfr_clears (a, b, c, (mpfr_ptr) 0);
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/* test for precision 2^31-1, see
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https://gforge.inria.fr/tracker/index.php?func=detail&aid=13918 */
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large_prec = 2147483647;
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if (getenv ("MPFR_CHECK_LARGEMEM") != NULL)
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{
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size_t min_memory_limit;
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/* We assume that the precision won't be increased internally. */
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if (large_prec > MPFR_PREC_MAX)
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large_prec = MPFR_PREC_MAX;
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/* Increase tests_memory_limit if need be in order to avoid an
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obvious failure due to insufficient memory, by choosing a bit
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more than the memory used for the variables a and b. Note
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that such an increase is necessary, but is not guaranteed to
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be sufficient in all cases (e.g. with logging activated). */
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min_memory_limit = 2 * (large_prec / MPFR_BYTES_PER_MP_LIMB) + 65536;
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if (tests_memory_limit > 0 && tests_memory_limit < min_memory_limit)
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tests_memory_limit = min_memory_limit;
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mpfr_inits2 (large_prec, a, b, (mpfr_ptr) 0);
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mpfr_set_ui (a, 17, MPFR_RNDN);
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mpfr_set (b, a, MPFR_RNDN);
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if (mpfr_get_ui (a, MPFR_RNDN) != 17)
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{
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printf ("Error in mpfr_init2 with precision 2^31-1\n");
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exit (1);
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}
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mpfr_clears (a, b, (mpfr_ptr) 0);
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}
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tests_end_mpfr ();
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return 0;
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}
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