| Index: gcc/gmp/mpq/md_2exp.c
|
| diff --git a/gcc/gmp/mpq/md_2exp.c b/gcc/gmp/mpq/md_2exp.c
|
| deleted file mode 100644
|
| index 87eba75ac4de3d6a485315f88addec4e90ae5983..0000000000000000000000000000000000000000
|
| --- a/gcc/gmp/mpq/md_2exp.c
|
| +++ /dev/null
|
| @@ -1,103 +0,0 @@
|
| -/* mpq_mul_2exp, mpq_div_2exp - multiply or divide by 2^N */
|
| -
|
| -/*
|
| -Copyright 2000, 2002 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 Lesser General Public License as published by
|
| -the Free Software Foundation; either version 3 of the License, 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 Lesser General Public
|
| -License for more details.
|
| -
|
| -You should have received a copy of the GNU Lesser General Public License
|
| -along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
|
| -
|
| -#include "gmp.h"
|
| -#include "gmp-impl.h"
|
| -#include "longlong.h"
|
| -
|
| -
|
| -/* The multiplier/divisor "n", representing 2^n, is applied by right shifting
|
| - "r" until it's odd (if it isn't already), and left shifting "l" for the
|
| - rest. */
|
| -
|
| -static void
|
| -mord_2exp (mpz_ptr ldst, mpz_ptr rdst, mpz_srcptr lsrc, mpz_srcptr rsrc,
|
| - unsigned long n)
|
| -{
|
| - mp_size_t rsrc_size = SIZ(rsrc);
|
| - mp_size_t len = ABS (rsrc_size);
|
| - mp_ptr rsrc_ptr = PTR(rsrc);
|
| - mp_ptr p, rdst_ptr;
|
| - mp_limb_t plow;
|
| -
|
| - p = rsrc_ptr;
|
| - plow = *p;
|
| - while (n >= GMP_NUMB_BITS && plow == 0)
|
| - {
|
| - n -= GMP_NUMB_BITS;
|
| - p++;
|
| - plow = *p;
|
| - }
|
| -
|
| - /* no realloc here if rsrc==rdst, so p and rsrc_ptr remain valid */
|
| - len -= (p - rsrc_ptr);
|
| - MPZ_REALLOC (rdst, len);
|
| - rdst_ptr = PTR(rdst);
|
| -
|
| - if ((plow & 1) || n == 0)
|
| - {
|
| - /* need DECR when src==dst */
|
| - if (p != rdst_ptr)
|
| - MPN_COPY_DECR (rdst_ptr, p, len);
|
| - }
|
| - else
|
| - {
|
| - unsigned long shift;
|
| - if (plow == 0)
|
| - shift = n;
|
| - else
|
| - {
|
| - count_trailing_zeros (shift, plow);
|
| - shift = MIN (shift, n);
|
| - }
|
| - mpn_rshift (rdst_ptr, p, len, shift);
|
| - len -= (rdst_ptr[len-1] == 0);
|
| - n -= shift;
|
| - }
|
| - SIZ(rdst) = (rsrc_size >= 0) ? len : -len;
|
| -
|
| - if (n)
|
| - mpz_mul_2exp (ldst, lsrc, n);
|
| - else if (ldst != lsrc)
|
| - mpz_set (ldst, lsrc);
|
| -}
|
| -
|
| -
|
| -void
|
| -mpq_mul_2exp (mpq_ptr dst, mpq_srcptr src, unsigned long n)
|
| -{
|
| - mord_2exp (mpq_numref (dst), mpq_denref (dst),
|
| - mpq_numref (src), mpq_denref (src), n);
|
| -}
|
| -
|
| -void
|
| -mpq_div_2exp (mpq_ptr dst, mpq_srcptr src, unsigned long n)
|
| -{
|
| - if (SIZ (mpq_numref(src)) == 0)
|
| - {
|
| - dst->_mp_num._mp_size = 0;
|
| - dst->_mp_den._mp_size = 1;
|
| - dst->_mp_den._mp_d[0] = 1;
|
| - return;
|
| - }
|
| -
|
| - mord_2exp (mpq_denref (dst), mpq_numref (dst),
|
| - mpq_denref (src), mpq_numref (src), n);
|
| -}
|
|
|