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b58ddff026
* merged mpfr 3.0.0 and gmp 5.0.1 in buildtools trunk git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@37378 a95241bf-73f2-0310-859d-f6bbb57e9c96
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* mpf_set_z -- Assign a float from an integer.
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Copyright 1996, 2001, 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 3 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. If not, see http://www.gnu.org/licenses/. */
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#include "gmp.h"
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#include "gmp-impl.h"
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void
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mpf_set_z (mpf_ptr r, mpz_srcptr u)
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{
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mp_ptr rp, up;
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mp_size_t size, asize;
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mp_size_t prec;
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prec = PREC (r) + 1;
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size = SIZ (u);
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asize = ABS (size);
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rp = PTR (r);
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up = PTR (u);
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EXP (r) = asize;
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if (asize > prec)
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{
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up += asize - prec;
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asize = prec;
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}
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SIZ (r) = size >= 0 ? asize : -asize;
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MPN_COPY (rp, up, asize);
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}
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