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authorDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
committerDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
commit11da511c784eca003deb90c23570f0873954e0de (patch)
treee14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/tests/mpn/t-broot.c
Initial commit.
Diffstat (limited to 'gmp-6.3.0/tests/mpn/t-broot.c')
-rw-r--r--gmp-6.3.0/tests/mpn/t-broot.c108
1 files changed, 108 insertions, 0 deletions
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
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+++ 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;
+}