From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001
From: Duncan Wilkie <antigravityd@gmail.com>
Date: Sat, 18 Nov 2023 06:11:09 -0600
Subject: Initial commit.

---
 gmp-6.3.0/tests/mpn/t-broot.c | 108 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 gmp-6.3.0/tests/mpn/t-broot.c

(limited to 'gmp-6.3.0/tests/mpn/t-broot.c')

diff --git a/gmp-6.3.0/tests/mpn/t-broot.c b/gmp-6.3.0/tests/mpn/t-broot.c
new file mode 100644
index 0000000..bd8e80f
--- /dev/null
+++ b/gmp-6.3.0/tests/mpn/t-broot.c
@@ -0,0 +1,108 @@
+/* Copyright 2012 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>		/* for strtol */
+#include <stdio.h>		/* for printf */
+
+#include "gmp-impl.h"
+#include "longlong.h"
+#include "tests/tests.h"
+
+#define MAX_LIMBS 150
+#define COUNT 500
+
+int
+main (int argc, char **argv)
+{
+  gmp_randstate_ptr rands;
+
+  mp_ptr ap, rp, pp, scratch;
+  int count = COUNT;
+  unsigned i;
+  TMP_DECL;
+
+  TMP_MARK;
+
+  TESTS_REPS (count, argv, argc);
+
+  tests_start ();
+  rands = RANDS;
+
+  ap = TMP_ALLOC_LIMBS (MAX_LIMBS);
+  rp = TMP_ALLOC_LIMBS (MAX_LIMBS);
+  pp = TMP_ALLOC_LIMBS (MAX_LIMBS);
+  scratch = TMP_ALLOC_LIMBS (3*MAX_LIMBS); /* For mpn_powlo */
+
+  for (i = 0; i < count; i++)
+    {
+      mp_size_t n;
+      mp_limb_t k;
+      int c;
+
+      n = 1 + gmp_urandomm_ui (rands, MAX_LIMBS);
+
+      if (i & 1)
+	mpn_random2 (ap, n);
+      else
+	mpn_random (ap, n);
+
+      ap[0] |= 1;
+
+      if (i < 100)
+	k = 3 + 2*i;
+      else
+	{
+	  mpn_random (&k, 1);
+	  if (k < 3)
+	    k = 3;
+	  else
+	    k |= 1;
+	}
+      mpn_broot (rp, ap, n, k);
+      mpn_powlo (pp, rp, &k, 1, n, scratch);
+
+      MPN_CMP (c, ap, pp, n);
+      if (c != 0)
+	{
+	  gmp_fprintf (stderr,
+		       "mpn_broot returned bad result: %u limbs\n",
+		       (unsigned) n);
+	  gmp_fprintf (stderr, "k   = %Mx\n", k);
+	  gmp_fprintf (stderr, "a   = %Nx\n", ap, n);
+	  gmp_fprintf (stderr, "r   = %Nx\n", rp, n);
+	  gmp_fprintf (stderr, "r^k = %Nx\n", pp, n);
+	  abort ();
+	}
+    }
+
+  mpn_broot (rp, ap, MAX_LIMBS, 1);
+  if (mpn_cmp (ap, rp, MAX_LIMBS) != 0)
+    {
+      gmp_fprintf (stderr,
+		   "mpn_broot returned bad result: %u limbs\n",
+		   (unsigned) MAX_LIMBS);
+      gmp_fprintf (stderr, "k   = %Mx\n", 1);
+      gmp_fprintf (stderr, "a   = %Nx\n", ap, MAX_LIMBS);
+      gmp_fprintf (stderr, "r   = %Nx\n", rp, MAX_LIMBS);
+      abort ();
+    }
+
+  TMP_FREE;
+  tests_end ();
+  return 0;
+}
-- 
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