1 files changed, 71 insertions, 0 deletions
diff --git a/gmp-6.3.0/mini-gmp/tests/t-sub.c b/gmp-6.3.0/mini-gmp/tests/t-sub.c
new file mode 100644
index 0000000..e230fda
--- /dev/null
+++ b/gmp-6.3.0/mini-gmp/tests/t-sub.c
@@ -0,0 +1,71 @@
+/*
+
+Copyright 2012, 2013 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 <stdlib.h>
+#include <stdio.h>
+
+#include "testutils.h"
+
+#define MAXBITS 400
+#define COUNT 10000
+
+void
+testmain (int argc, char **argv)
+{
+  unsigned i;
+  mpz_t a, b, res, res_ui, ref;
+
+  mpz_init (a);
+  mpz_init (b);
+  mpz_init (res);
+  mpz_init (res_ui);
+  mpz_init (ref);
+
+  for (i = 0; i < COUNT; i++)
+    {
+      mini_random_op3 (OP_SUB, MAXBITS, a, b, ref);
+      mpz_sub (res, a, b);
+      if (mpz_cmp (res, ref))
+	{
+	  fprintf (stderr, "mpz_sub failed:\n");
+	  dump ("a", a);
+	  dump ("b", b);
+	  dump ("r", res);
+	  dump ("ref", ref);
+	  abort ();
+	}
+      if (mpz_fits_ulong_p (a)) {
+	mpz_ui_sub (res_ui, mpz_get_ui (a), b);
+	if (mpz_cmp (res_ui, ref))
+	  {
+	    fprintf (stderr, "mpz_ui_sub failed:\n");
+	    dump ("a", a);
+	    dump ("b", b);
+	    dump ("r", res_ui);
+	    dump ("ref", ref);
+	    abort ();
+	  }
+      }
+    }
+  mpz_clear (a);
+  mpz_clear (b);
+  mpz_clear (res);
+  mpz_clear (res_ui);
+  mpz_clear (ref);
+}