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/mpq/set_z.c b/third_party/gmp/mpq/set_z.c
new file mode 100644
index 0000000..8309c93
--- /dev/null
+++ b/third_party/gmp/mpq/set_z.c
@@ -0,0 +1,48 @@
+/* mpq_set_z (dest,src) -- Set DEST to SRC.
+
+Copyright 1996, 2001, 2012, 2015, 2018 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
+mpq_set_z (mpq_ptr dest, mpz_srcptr src)
+{
+ mp_size_t num_size;
+ mp_size_t abs_num_size;
+ mp_ptr dp;
+
+ num_size = SIZ (src);
+ SIZ(NUM(dest)) = num_size;
+ abs_num_size = ABS (num_size);
+ dp = MPZ_NEWALLOC (NUM(dest), abs_num_size);
+ MPN_COPY (dp, PTR(src), abs_num_size);
+
+ MPZ_NEWALLOC (DEN(dest), 1)[0] = 1;
+ SIZ(DEN(dest)) = 1;
+}