Annotation of OpenXM/src/kan96xx/gmp-2.0.2-ssh-2/mpz/cdiv_ui.c, Revision 1.1
1.1 ! takayama 1: /* mpz_cdiv_ui -- Division rounding the quotient towards +infinity. The
! 2: remainder gets the opposite sign as the denominator. In order to make it
! 3: always fit into the return type, the negative of the true remainder is
! 4: returned.
! 5:
! 6: Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
! 7:
! 8: This file is part of the GNU MP Library.
! 9:
! 10: The GNU MP Library is free software; you can redistribute it and/or modify
! 11: it under the terms of the GNU Library General Public License as published by
! 12: the Free Software Foundation; either version 2 of the License, or (at your
! 13: option) any later version.
! 14:
! 15: The GNU MP Library is distributed in the hope that it will be useful, but
! 16: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 17: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
! 18: License for more details.
! 19:
! 20: You should have received a copy of the GNU Library General Public License
! 21: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 22: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 23: MA 02111-1307, USA. */
! 24:
! 25: #include "gmp.h"
! 26: #include "gmp-impl.h"
! 27:
! 28: unsigned long int
! 29: #if __STDC__
! 30: mpz_cdiv_ui (mpz_srcptr dividend, unsigned long int divisor)
! 31: #else
! 32: mpz_cdiv_ui (dividend, divisor)
! 33: mpz_srcptr dividend;
! 34: unsigned long int divisor;
! 35: #endif
! 36: {
! 37: mp_size_t dividend_size;
! 38: mp_size_t size;
! 39: mp_limb_t remainder_limb;
! 40:
! 41: dividend_size = dividend->_mp_size;
! 42: size = ABS (dividend_size);
! 43:
! 44: remainder_limb = mpn_mod_1 (dividend->_mp_d, size, (mp_limb_t) divisor);
! 45:
! 46: if (remainder_limb != 0 && dividend_size >= 0)
! 47: remainder_limb = divisor - remainder_limb;
! 48:
! 49: return remainder_limb;
! 50: }
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