mirror of https://github.com/macssh/macssh.git
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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/* mpz_cmp_ui.c -- Compare a mpz_t a with an mp_limb_t b. Return positive,
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zero, or negative based on if a > b, a == b, or a < b.
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Copyright (C) 1991, 1993, 1994, 1995, 1996 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_cmp_ui (mpz_srcptr u, unsigned long int v_digit)
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#else
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_mpz_cmp_ui (u, v_digit)
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mpz_srcptr u;
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unsigned long int v_digit;
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#endif
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{
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mp_size_t usize = u->_mp_size;
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if (usize == 0)
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return -(v_digit != 0);
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if (usize == 1)
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{
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mp_limb_t u_digit;
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u_digit = u->_mp_d[0];
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if (u_digit > v_digit)
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return 1;
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if (u_digit < v_digit)
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return -1;
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return 0;
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}
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return (usize > 0) ? 1 : -1;
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}
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