52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
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/* mpz_cdiv_q -- Division rounding the quotient towards +infinity. The
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remainder gets the opposite sign as the denominator.
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Copyright (C) 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 Library General Public License as published by
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the Free Software Foundation; either version 2 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 Library General Public
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License for more details.
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You should have received a copy of the GNU Library 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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void
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#if __STDC__
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mpz_cdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor)
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#else
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mpz_cdiv_q (quot, dividend, divisor)
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mpz_ptr quot;
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mpz_srcptr dividend;
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mpz_srcptr divisor;
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#endif
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{
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mp_size_t dividend_size = dividend->_mp_size;
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mp_size_t divisor_size = divisor->_mp_size;
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mpz_t rem;
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TMP_DECL (marker);
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TMP_MARK (marker);
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MPZ_TMP_INIT (rem, 1 + ABS (dividend_size));
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mpz_tdiv_qr (quot, rem, dividend, divisor);
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if ((divisor_size ^ dividend_size) >= 0 && rem->_mp_size != 0)
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mpz_add_ui (quot, quot, 1L);
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TMP_FREE (marker);
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}
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