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/tests/devel/tst-addsub.c b/third_party/gmp/tests/devel/tst-addsub.c
new file mode 100644
index 0000000..4aa827a
--- /dev/null
+++ b/third_party/gmp/tests/devel/tst-addsub.c
@@ -0,0 +1,97 @@
+/* Copyright 1996, 2001 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"
+
+#define ADD 1
+#define SUB 2
+
+#ifndef METHOD
+#define METHOD ADD
+#endif
+
+#if METHOD == ADD
+#define REFCALL refmpn_add_n
+#define TESTCALL mpn_add_n
+#endif
+
+#if METHOD == SUB
+#define REFCALL refmpn_sub_n
+#define TESTCALL mpn_sub_n
+#endif
+
+#define SIZE 100
+
+int
+main (int argc, char **argv)
+{
+ mp_size_t alloc_size, max_size, size, i, cumul_size;
+ mp_ptr s1, s2, dx, dy;
+ int s1_align, s2_align, d_align;
+ long pass, n_passes;
+ mp_limb_t cx, cy;
+
+ max_size = SIZE;
+ n_passes = 1000000;
+
+ argc--; argv++;
+ if (argc)
+ {
+ max_size = atol (*argv);
+ argc--; argv++;
+ }
+
+ alloc_size = max_size + 32;
+ s1 = malloc (alloc_size * GMP_LIMB_BYTES);
+ s2 = malloc (alloc_size * GMP_LIMB_BYTES);
+ dx = malloc (alloc_size * GMP_LIMB_BYTES);
+ dy = malloc (alloc_size * GMP_LIMB_BYTES);
+
+ cumul_size = 0;
+ for (pass = 0; pass < n_passes; pass++)
+ {
+ size = random () % max_size + 1;
+
+ cumul_size += size;
+ if (cumul_size >= 1000000)
+ {
+ cumul_size -= 1000000;
+ printf ("\r%ld", pass); fflush (stdout);
+ }
+ s1_align = random () % 32;
+ s2_align = random () % 32;
+ d_align = random () % 32;
+
+ mpn_random2 (s1 + s1_align, size);
+ mpn_random2 (s2 + s2_align, size);
+
+ for (i = 0; i < alloc_size; i++)
+ dx[i] = dy[i] = i + 0x9876500;
+
+ cx = TESTCALL (dx + d_align, s1 + s1_align, s2 + s2_align, size);
+ cy = REFCALL (dy + d_align, s1 + s1_align, s2 + s2_align, size);
+
+ if (cx != cy || mpn_cmp (dx, dy, alloc_size) != 0)
+ abort ();
+ }
+
+ printf ("%ld passes OK\n", n_passes);
+ exit (0);
+}