55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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/* Test mpf_set.
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Copyright 2004 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP 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 2.1 of the License, or (at your
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option) any later version.
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The GNU MP 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 MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "tests.h"
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void
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check_reuse (void)
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{
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/* Try mpf_set(f,f) when f is bigger than prec. In the past this had
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resulted in an MPN_COPY with invalid operand overlap. */
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mpf_t f;
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mp_size_t limbs = 20;
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unsigned long bits = limbs * GMP_NUMB_BITS;
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mpf_init2 (f, bits);
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refmpf_fill (f, limbs, GMP_NUMB_MAX);
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mpf_set_prec_raw (f, bits / 2);
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mpf_set (f, f);
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MPF_CHECK_FORMAT (f);
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mpf_set_prec_raw (f, bits);
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mpf_clear (f);
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}
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int
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main (void)
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{
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tests_start ();
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check_reuse ();
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tests_end ();
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exit (0);
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}
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