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/* mpz_cmp_ui.c -- Compare a MP_INT a with an mp_limb b. Return positive,
zero, or negative based on if a > b, a == b, or a < b.
Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
The GNU MP Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU MP Library; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "gmp.h"
#include "gmp-impl.h"
int
#ifdef __STDC__
mpz_cmp_ui (const MP_INT *u, mp_limb v_digit)
#else
mpz_cmp_ui (u, v_digit)
const MP_INT *u;
mp_limb v_digit;
#endif
{
mp_size usize = u->size;
if (usize == 0)
return -(v_digit != 0);
if (usize == 1)
{
mp_limb u_digit;
u_digit = u->d[0];
if (u_digit > v_digit)
return 1;
if (u_digit < v_digit)
return -1;
return 0;
}
return (usize > 0) ? 1 : -1;
}
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