Annotation of OpenXM_contrib/gmp/mpz/cmpabs_ui.c, Revision 1.1
1.1 ! maekawa 1: /* mpz_cmpabs_ui.c -- Compare a mpz_t a with an mp_limb_t b. Return positive,
! 2: zero, or negative based on if a > b, a == b, or a < b.
! 3:
! 4: Copyright (C) 1991, 1993, 1994, 1995, 1997, 2000 Free Software Foundation,
! 5: Inc.
! 6:
! 7: This file is part of the GNU MP Library.
! 8:
! 9: The GNU MP Library is free software; you can redistribute it and/or modify
! 10: it under the terms of the GNU Lesser General Public License as published by
! 11: the Free Software Foundation; either version 2.1 of the License, or (at your
! 12: option) any later version.
! 13:
! 14: The GNU MP Library is distributed in the hope that it will be useful, but
! 15: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 16: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 17: License for more details.
! 18:
! 19: You should have received a copy of the GNU Lesser General Public License
! 20: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 21: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 22: MA 02111-1307, USA. */
! 23:
! 24: #include "gmp.h"
! 25: #include "gmp-impl.h"
! 26:
! 27: int
! 28: #if __STDC__
! 29: mpz_cmpabs_ui (mpz_srcptr u, unsigned long int v_digit)
! 30: #else
! 31: mpz_cmpabs_ui (u, v_digit)
! 32: mpz_srcptr u;
! 33: unsigned long int v_digit;
! 34: #endif
! 35: {
! 36: mp_size_t usize = u->_mp_size;
! 37:
! 38: if (usize == 0)
! 39: return -(v_digit != 0);
! 40:
! 41: usize = ABS (usize);
! 42:
! 43: if (usize == 1)
! 44: {
! 45: mp_limb_t u_digit;
! 46:
! 47: u_digit = u->_mp_d[0];
! 48: if (u_digit > v_digit)
! 49: return 1;
! 50: if (u_digit < v_digit)
! 51: return -1;
! 52: return 0;
! 53: }
! 54:
! 55: return 1;
! 56: }
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