From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mpn/generic/mulmid_n.c | 61 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 gmp-6.3.0/mpn/generic/mulmid_n.c (limited to 'gmp-6.3.0/mpn/generic/mulmid_n.c') diff --git a/gmp-6.3.0/mpn/generic/mulmid_n.c b/gmp-6.3.0/mpn/generic/mulmid_n.c new file mode 100644 index 0000000..ac7e8f1 --- /dev/null +++ b/gmp-6.3.0/mpn/generic/mulmid_n.c @@ -0,0 +1,61 @@ +/* mpn_mulmid_n -- balanced middle product + + Contributed by David Harvey. + + THE FUNCTION IN THIS FILE IS INTERNAL WITH A MUTABLE INTERFACE. IT IS ONLY + SAFE TO REACH IT THROUGH DOCUMENTED INTERFACES. IN FACT, IT IS ALMOST + GUARANTEED THAT IT'LL CHANGE OR DISAPPEAR IN A FUTURE GNU MP RELEASE. + +Copyright 2011 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 either: + + * 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. + +or + + * the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + +or both in parallel, as here. + +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 General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. */ + + +#include "gmp-impl.h" + + +void +mpn_mulmid_n (mp_ptr rp, mp_srcptr ap, mp_srcptr bp, mp_size_t n) +{ + ASSERT (n >= 1); + ASSERT (! MPN_OVERLAP_P (rp, n + 2, ap, 2*n - 1)); + ASSERT (! MPN_OVERLAP_P (rp, n + 2, bp, n)); + + if (n < MULMID_TOOM42_THRESHOLD) + { + mpn_mulmid_basecase (rp, ap, 2*n - 1, bp, n); + } + else + { + mp_ptr scratch; + TMP_DECL; + TMP_MARK; + scratch = TMP_ALLOC_LIMBS (mpn_toom42_mulmid_itch (n)); + mpn_toom42_mulmid (rp, ap, bp, n, scratch); + TMP_FREE; + } +} -- cgit v1.2.3