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Unified Diff: gcc/gmp/mpn/generic/invert.c

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/gmp/mpn/generic/invert.c
diff --git a/gcc/gmp/mpn/generic/invert.c b/gcc/gmp/mpn/generic/invert.c
deleted file mode 100644
index e40d3611e6d24d8c9a87c2175e95f7d6057eb659..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpn/generic/invert.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* Compute {up,n}^(-1).
-
-Copyright (C) 2007 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 <stdlib.h>
-#include "gmp.h"
-#include "gmp-impl.h"
-
-/* Formulas:
- z = 2z-(zz)d
- z = 2z-(zd)z
- z = z(2-zd)
- z = z-z*(zd-1)
- z = z+z*(1-zd)
-*/
-
-mp_size_t
-mpn_invert_itch (mp_size_t n)
-{
- return 3 * n + 2;
-}
-
-void
-mpn_invert (mp_ptr ip, mp_srcptr dp, mp_size_t n, mp_ptr scratch)
-{
- mp_ptr np, rp;
- mp_size_t i;
- TMP_DECL;
-
- TMP_MARK;
- if (scratch == NULL)
- {
- scratch = TMP_ALLOC_LIMBS (mpn_invert_itch (n));
- }
-
- np = scratch; /* 2 * n limbs */
- rp = scratch + 2 * n; /* n + 2 limbs */
- for (i = n - 1; i >= 0; i--)
- np[i] = ~CNST_LIMB(0);
- mpn_com_n (np + n, dp, n);
- mpn_tdiv_qr (rp, ip, 0L, np, 2 * n, dp, n);
- MPN_COPY (ip, rp, n);
-
- TMP_FREE;
-}
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