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_ui.c b/third_party/gmp/mpq/set_ui.c
new file mode 100644
index 0000000..db85d97
--- /dev/null
+++ b/third_party/gmp/mpq/set_ui.c
@@ -0,0 +1,60 @@
+/* mpq_set_ui(dest,ulong_num,ulong_den) -- Set DEST to the rational number
+ ULONG_NUM/ULONG_DEN.
+
+Copyright 1991, 1994, 1995, 2001-2003, 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_ui (mpq_t dest, unsigned long int num, unsigned long int den)
+{
+ if (GMP_NUMB_BITS < BITS_PER_ULONG)
+ {
+ if (num == 0) /* Canonicalize 0/d to 0/1. */
+ den = 1;
+ mpz_set_ui (mpq_numref (dest), num);
+ mpz_set_ui (mpq_denref (dest), den);
+ return;
+ }
+
+ if (num == 0)
+ {
+ /* Canonicalize 0/d to 0/1. */
+ den = 1;
+ SIZ(NUM(dest)) = 0;
+ }
+ else
+ {
+ MPZ_NEWALLOC (NUM(dest), 1)[0] = num;
+ SIZ(NUM(dest)) = 1;
+ }
+
+ MPZ_NEWALLOC (DEN(dest), 1)[0] = den;
+ SIZ(DEN(dest)) = (den != 0);
+}