Revert "Remove gmp from AOS"
This reverts commit f37c97684f0910a3f241394549392f00145ab0f7.
We need gmp for SymEngine for symbolicmanipultion in C++
Change-Id: Ia13216d1715cf96944f7b4f422b7a799f921d4a4
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/third_party/gmp/mpz/com.c b/third_party/gmp/mpz/com.c
new file mode 100644
index 0000000..c5d22b0
--- /dev/null
+++ b/third_party/gmp/mpz/com.c
@@ -0,0 +1,87 @@
+/* mpz_com(mpz_ptr dst, mpz_ptr src) -- Assign the bit-complemented value of
+ SRC to DST.
+
+Copyright 1991, 1993, 1994, 1996, 2001, 2003, 2012, 2015 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
+mpz_com (mpz_ptr dst, mpz_srcptr src)
+{
+ mp_size_t size = SIZ (src);
+ mp_srcptr src_ptr;
+ mp_ptr dst_ptr;
+
+ if (size >= 0)
+ {
+ /* As with infinite precision: one's complement, two's complement.
+ But this can be simplified using the identity -x = ~x + 1.
+ So we're going to compute (~~x) + 1 = x + 1! */
+
+ if (UNLIKELY (size == 0))
+ {
+ /* special case, as mpn_add_1 wants size!=0 */
+ MPZ_NEWALLOC (dst, 1)[0] = 1;
+ SIZ (dst) = -1;
+ }
+ else
+ {
+ mp_limb_t cy;
+
+ dst_ptr = MPZ_REALLOC (dst, size + 1);
+
+ src_ptr = PTR (src);
+
+ cy = mpn_add_1 (dst_ptr, src_ptr, size, (mp_limb_t) 1);
+ dst_ptr[size] = cy;
+ size += cy;
+
+ /* Store a negative size, to indicate ones-extension. */
+ SIZ (dst) = -size;
+ }
+ }
+ else
+ {
+ /* As with infinite precision: two's complement, then one's complement.
+ But that can be simplified using the identity -x = ~(x - 1).
+ So we're going to compute ~~(x - 1) = x - 1! */
+ size = -size;
+
+ dst_ptr = MPZ_REALLOC (dst, size);
+
+ src_ptr = PTR (src);
+
+ mpn_sub_1 (dst_ptr, src_ptr, size, (mp_limb_t) 1);
+ size -= dst_ptr[size - 1] == 0;
+
+ /* Store a positive size, to indicate zero-extension. */
+ SIZ (dst) = size;
+ }
+}