Imported gcc-4.4.3

[msp430-gcc.git] / gmp / tests / mpz / t-divis_2exp.c

diff --git a/gmp/tests/mpz/t-divis_2exp.c b/gmp/tests/mpz/t-divis_2exp.c
new file mode 100644 (file)
index 0000000..88588a3
--- /dev/null
+++ b/gmp/tests/mpz/t-divis_2exp.c
@@ -0,0 +1,133 @@
+/* test mpz_divisible_2exp_p */
+
+/*
+Copyright 2001 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser 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 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+
+void
+check_one (mpz_srcptr a, unsigned long d, int want)
+{
+  int   got;
+
+  got = (mpz_divisible_2exp_p (a, d) != 0);
+  if (want != got)
+    {
+      printf ("mpz_divisible_2exp_p wrong\n");
+      printf ("   expected %d got %d\n", want, got);
+      mpz_trace ("   a", a);
+      printf    ("   d=%lu\n", d);
+      mp_trace_base = -16;
+      mpz_trace ("   a", a);
+      printf    ("   d=0x%lX\n", d);
+      abort ();
+    }
+}
+
+void
+check_data (void)
+{
+  static const struct {
+    const char    *a;
+    unsigned long d;
+    int           want;
+
+  } data[] = {
+
+    { "0", 0, 1 },
+    { "0", 1, 1 },
+    { "0", 2, 1 },
+    { "0", 3, 1 },
+
+    { "1", 0, 1 },
+    { "1", 1, 0 },
+    { "1", 2, 0 },
+    { "1", 3, 0 },
+    { "1", 10000, 0 },
+
+    { "4", 0, 1 },
+    { "4", 1, 1 },
+    { "4", 2, 1 },
+    { "4", 3, 0 },
+    { "4", 4, 0 },
+    { "4", 10000, 0 },
+
+    { "0x80000000", 31, 1 },
+    { "0x80000000", 32, 0 },
+    { "0x80000000", 64, 0 },
+
+    { "0x100000000", 32, 1 },
+    { "0x100000000", 33, 0 },
+    { "0x100000000", 64, 0 },
+
+    { "0x8000000000000000", 63, 1 },
+    { "0x8000000000000000", 64, 0 },
+    { "0x8000000000000000", 128, 0 },
+
+    { "0x10000000000000000", 64, 1 },
+    { "0x10000000000000000", 65, 0 },
+    { "0x10000000000000000", 128, 0 },
+    { "0x10000000000000000", 256, 0 },
+
+    { "0x10000000000000000100000000", 32, 1 },
+    { "0x10000000000000000100000000", 33, 0 },
+    { "0x10000000000000000100000000", 64, 0 },
+
+    { "0x1000000000000000010000000000000000", 64, 1 },
+    { "0x1000000000000000010000000000000000", 65, 0 },
+    { "0x1000000000000000010000000000000000", 128, 0 },
+    { "0x1000000000000000010000000000000000", 256, 0 },
+    { "0x1000000000000000010000000000000000", 1024, 0 },
+
+  };
+
+  mpz_t   a, d;
+  int     i;
+
+  mpz_init (a);
+  mpz_init (d);
+
+  for (i = 0; i < numberof (data); i++)
+    {
+      mpz_set_str_or_abort (a, data[i].a, 0);
+      check_one (a, data[i].d, data[i].want);
+
+      mpz_neg (a, a);
+      check_one (a, data[i].d, data[i].want);
+    }
+
+  mpz_clear (a);
+  mpz_clear (d);
+}
+
+int
+main (int argc, char *argv[])
+{
+  tests_start ();
+
+  check_data ();
+
+  tests_end ();
+  exit (0);
+}