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/demos/isprime.c b/third_party/gmp/demos/isprime.c
new file mode 100644
index 0000000..bf06945
--- /dev/null
+++ b/third_party/gmp/demos/isprime.c
@@ -0,0 +1,69 @@
+/* Classify numbers as probable primes, primes or composites.
+ With -q return true if the following argument is a (probable) prime.
+
+Copyright 1999, 2000, 2002, 2005, 2012 Free Software Foundation, Inc.
+
+This program 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.
+
+This program 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
+this program. If not, see https://www.gnu.org/licenses/. */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "gmp.h"
+
+char *progname;
+
+void
+print_usage_and_exit ()
+{
+ fprintf (stderr, "usage: %s -q nnn\n", progname);
+ fprintf (stderr, "usage: %s nnn ...\n", progname);
+ exit (-1);
+}
+
+int
+main (int argc, char **argv)
+{
+ mpz_t n;
+ int i;
+
+ progname = argv[0];
+
+ if (argc < 2)
+ print_usage_and_exit ();
+
+ mpz_init (n);
+
+ if (argc == 3 && strcmp (argv[1], "-q") == 0)
+ {
+ if (mpz_set_str (n, argv[2], 0) != 0)
+ print_usage_and_exit ();
+ exit (mpz_probab_prime_p (n, 25) == 0);
+ }
+
+ for (i = 1; i < argc; i++)
+ {
+ int class;
+ if (mpz_set_str (n, argv[i], 0) != 0)
+ print_usage_and_exit ();
+ class = mpz_probab_prime_p (n, 25);
+ mpz_out_str (stdout, 10, n);
+ if (class == 0)
+ puts (" is composite");
+ else if (class == 1)
+ puts (" is a probable prime");
+ else /* class == 2 */
+ puts (" is a prime");
+ }
+ exit (0);
+}