vasilito
ff4ff35918
Red Bear OS is a full fork. All sources must be available from git clone with zero network access. Removed gitignore rules that excluded fetched source trees under recipes/*/source/, local/recipes/kde/*/source/, local/recipes/qt/*/source/, and vendor source trees. Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded. 127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt frameworks, mesa, wayland, DRM drivers, and every other recipe source.
97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
/* mpn_mul_1 -- Multiply a limb vector with a single limb and store the
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product in a second limb vector.
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Copyright 1991-1994, 1996, 2000-2002 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 either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any
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later version.
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or both in parallel, as here.
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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 General Public License
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for more details.
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You should have received copies of the GNU General Public License and the
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GNU Lesser General Public License along with the GNU MP Library. If not,
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see https://www.gnu.org/licenses/. */
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#include "gmp-impl.h"
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#include "longlong.h"
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#if GMP_NAIL_BITS == 0
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mp_limb_t
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mpn_mul_1 (mp_ptr rp, mp_srcptr up, mp_size_t n, mp_limb_t vl)
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{
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mp_limb_t ul, cl, hpl, lpl;
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ASSERT (n >= 1);
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ASSERT (MPN_SAME_OR_INCR_P (rp, up, n));
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cl = 0;
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do
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{
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ul = *up++;
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umul_ppmm (hpl, lpl, ul, vl);
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lpl += cl;
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cl = (lpl < cl) + hpl;
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*rp++ = lpl;
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}
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while (--n != 0);
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return cl;
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}
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#endif
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#if GMP_NAIL_BITS >= 1
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mp_limb_t
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mpn_mul_1 (mp_ptr rp, mp_srcptr up, mp_size_t n, mp_limb_t vl)
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{
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mp_limb_t shifted_vl, ul, lpl, hpl, prev_hpl, xw, cl, xl;
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ASSERT (n >= 1);
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ASSERT (MPN_SAME_OR_INCR_P (rp, up, n));
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ASSERT_MPN (up, n);
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ASSERT_LIMB (vl);
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shifted_vl = vl << GMP_NAIL_BITS;
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cl = 0;
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prev_hpl = 0;
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do
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{
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ul = *up++;
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umul_ppmm (hpl, lpl, ul, shifted_vl);
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lpl >>= GMP_NAIL_BITS;
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xw = prev_hpl + lpl + cl;
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cl = xw >> GMP_NUMB_BITS;
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xl = xw & GMP_NUMB_MASK;
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*rp++ = xl;
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prev_hpl = hpl;
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}
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while (--n != 0);
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return prev_hpl + cl;
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}
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#endif
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