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/tests/rand/t-urmui.c b/third_party/gmp/tests/rand/t-urmui.c
new file mode 100644
index 0000000..cc8fedb
--- /dev/null
+++ b/third_party/gmp/tests/rand/t-urmui.c
@@ -0,0 +1,74 @@
+/* Test gmp_urandomm_ui.
+
+Copyright 2003, 2005 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library test suite.
+
+The GNU MP Library test suite is free software; you can redistribute it
+and/or modify it under the terms of the GNU 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 test suite 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 a copy of the GNU General Public License along with
+the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "gmp-impl.h"
+#include "tests.h"
+
+/* Expect numbers generated by rstate to obey the limit requested. */
+void
+check_one (const char *name, gmp_randstate_ptr rstate)
+{
+  static const unsigned long  n_table[] = {
+    1, 2, 3, 4, 5, 6, 7, 8,
+    123, 456, 789,
+
+    255, 256, 257,
+    1023, 1024, 1025,
+    32767, 32768, 32769,
+
+    ULONG_MAX/2-2, ULONG_MAX/2-1, ULONG_MAX/2, ULONG_MAX/2+1, ULONG_MAX/2+2,
+
+    ULONG_MAX-2, ULONG_MAX-1, ULONG_MAX,
+  };
+
+  unsigned long  got, n;
+  int    i, j;
+
+  for (i = 0; i < numberof (n_table); i++)
+    {
+      n = n_table[i];
+
+      for (j = 0; j < 5; j++)
+        {
+          got = gmp_urandomm_ui (rstate, n);
+          if (got >= n)
+            {
+              printf ("Return value out of range:\n");
+              printf ("  algorithm: %s\n", name);
+              printf ("  n:     %#lx\n", n);
+              printf ("  got:   %#lx\n", got);
+              abort ();
+            }
+        }
+    }
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  tests_start ();
+
+  call_rand_algs (check_one);
+
+  tests_end ();
+  exit (0);
+}