Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/mpz/cmpabs.c b/third_party/gmp/mpz/cmpabs.c
new file mode 100644
index 0000000..14f0dc9
--- /dev/null
+++ b/third_party/gmp/mpz/cmpabs.c
@@ -0,0 +1,53 @@
+/* mpz_cmpabs(u,v) -- Compare U, V. Return positive, zero, or negative
+ based on if U > V, U == V, or U < V.
+
+Copyright 1991, 1993, 1994, 1996, 1997, 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 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"
+
+
+int
+mpz_cmpabs (mpz_srcptr u, mpz_srcptr v) __GMP_NOTHROW
+{
+ mp_size_t usize, vsize, dsize;
+ mp_srcptr up, vp;
+ int cmp;
+
+ usize = ABSIZ (u);
+ vsize = ABSIZ (v);
+ dsize = usize - vsize;
+ if (dsize != 0)
+ return dsize;
+
+ up = PTR(u);
+ vp = PTR(v);
+ MPN_CMP (cmp, up, vp, usize);
+ return cmp;
+}