Annotation of OpenXM_contrib/gmp/mpz/cmpabs.c, Revision 1.1
1.1 ! maekawa 1: /* mpz_cmpabs(u,v) -- Compare U, V. Return postive, zero, or negative
! 2: based on if U > V, U == V, or U < V.
! 3:
! 4: Copyright (C) 1991, 1993, 1994, 1996, 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 (mpz_srcptr u, mpz_srcptr v)
! 30: #else
! 31: mpz_cmpabs (u, v)
! 32: mpz_srcptr u;
! 33: mpz_srcptr v;
! 34: #endif
! 35: {
! 36: mp_size_t usize = u->_mp_size;
! 37: mp_size_t vsize = v->_mp_size;
! 38: mp_size_t size;
! 39: mp_srcptr up, vp;
! 40: int cmp;
! 41:
! 42: usize = ABS (usize);
! 43: vsize = ABS (vsize);
! 44:
! 45: if (usize != vsize)
! 46: return usize - vsize;
! 47:
! 48: if (usize == 0)
! 49: return 0;
! 50:
! 51: up = u->_mp_d;
! 52: vp = v->_mp_d;
! 53:
! 54: cmp = mpn_cmp (up, vp, usize);
! 55:
! 56: return cmp;
! 57: }
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