summaryrefslogtreecommitdiff
path: root/gmp/mini-gmp/tests/t-bitops.c
diff options
context:
space:
mode:
Diffstat (limited to 'gmp/mini-gmp/tests/t-bitops.c')
-rw-r--r--gmp/mini-gmp/tests/t-bitops.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/gmp/mini-gmp/tests/t-bitops.c b/gmp/mini-gmp/tests/t-bitops.c
new file mode 100644
index 0000000000..7e1688e662
--- /dev/null
+++ b/gmp/mini-gmp/tests/t-bitops.c
@@ -0,0 +1,103 @@
+/*
+
+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 <limits.h>
+#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, res, ref;
+ mp_bitcnt_t b;
+
+ mpz_init (a);
+ mpz_init (res);
+ mpz_init (ref);
+
+ for (i = 0; i < COUNT; i++)
+ {
+ mini_random_bit_op (OP_SETBIT, MAXBITS, a, &b, ref);
+ mpz_set (res, a);
+ mpz_setbit (res, b);
+ if (mpz_cmp (res, ref))
+ {
+ fprintf (stderr, "mpz_setbit failed:\n");
+ dump ("a", a);
+ fprintf (stderr, "b: %lu\n", b);
+ dump ("r", res);
+ dump ("ref", ref);
+ abort ();
+ }
+ if (!mpz_tstbit (res, b))
+ {
+ fprintf (stderr, "mpz_tstbit failed (after mpz_setbit):\n");
+ dump ("res", a);
+ fprintf (stderr, "b: %lu\n", b);
+ abort ();
+ }
+ mini_random_bit_op (OP_CLRBIT, MAXBITS, a, &b, ref);
+ mpz_set (res, a);
+ mpz_clrbit (res, b);
+ if (mpz_cmp (res, ref))
+ {
+ fprintf (stderr, "mpz_clrbit failed:\n");
+ dump ("a", a);
+ fprintf (stderr, "b: %lu\n", b);
+ dump ("r", res);
+ dump ("ref", ref);
+ abort ();
+ }
+ if (mpz_tstbit (res, b))
+ {
+ fprintf (stderr, "mpz_tstbit failed (after mpz_clrbit):\n");
+ dump ("res", a);
+ fprintf (stderr, "b: %lu\n", b);
+ abort ();
+ }
+ mini_random_bit_op (OP_COMBIT, MAXBITS, a, &b, ref);
+ mpz_set (res, a);
+ mpz_combit (res, b);
+ if (mpz_cmp (res, ref))
+ {
+ fprintf (stderr, "mpz_combit failed:\n");
+ dump ("a", a);
+ fprintf (stderr, "b: %lu\n", b);
+ dump ("r", res);
+ dump ("ref", ref);
+ abort ();
+ }
+ if (mpz_tstbit (res, b) == mpz_tstbit (a, b))
+ {
+ fprintf (stderr, "mpz_tstbit failed (after mpz_combit):\n");
+ dump ("res", a);
+ fprintf (stderr, "b: %lu\n", b);
+ abort ();
+ }
+ }
+ mpz_clear (a);
+ mpz_clear (res);
+ mpz_clear (ref);
+}