mirror of https://github.com/macssh/macssh.git
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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/* int mpz_fits_X_p (mpz_t src) -- Return whether src fits the C type X.
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Copyright (C) 1997, 2000 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., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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#include "gmp.h"
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#include "gmp-impl.h"
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int
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#if __STDC__
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mpz_fits_slong_p (mpz_srcptr src)
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#else
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mpz_fits_slong_p (src)
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mpz_srcptr src;
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#endif
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{
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mp_size_t size;
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mp_limb_t mpl;
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mpl = PTR(src)[0];
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size = SIZ(src);
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if (size > 0)
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{
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if (size > 1)
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return 0;
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return mpl < ~((~(unsigned long int) 0) >> 1);
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}
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else
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{
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if (size < -1)
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return 0;
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return mpl <= ~((~(unsigned long int) 0) >> 1);
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}
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}
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