Imported gcc-4.4.3

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

diff --git a/gmp/tests/t-gmpmax.c b/gmp/tests/t-gmpmax.c
new file mode 100644 (file)
index 0000000..efe166f
--- /dev/null
+++ b/gmp/tests/t-gmpmax.c
@@ -0,0 +1,73 @@
+/* Check the values of __GMP_UINT_MAX etc.
+
+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 <limits.h>
+#include "gmp.h"
+
+
+/* __GMP_UINT_MAX etc are generated with expressions in gmp.h since we don't
+   want to demand <limits.h> or forcibly include it.  Check the expressions
+   come out the same as <limits.h>.  */
+
+int
+main (int argc, char *argv[])
+{
+  int  error = 0;
+
+#ifdef UINT_MAX
+  if (__GMP_UINT_MAX != UINT_MAX)
+    {
+      printf ("__GMP_UINT_MAX incorrect\n");
+      printf ("  __GMP_UINT_MAX  %u  0x%X\n", __GMP_UINT_MAX, __GMP_UINT_MAX);
+      printf ("  UINT_MAX        %u  0x%X\n", UINT_MAX, UINT_MAX);
+      error = 1;
+    }
+#endif
+
+  /* gcc 2.95.2 limits.h on solaris 2.5.1 incorrectly selects a 64-bit
+     LONG_MAX, leading to some integer overflow in ULONG_MAX and a spurious
+     __GMP_ULONG_MAX != ULONG_MAX.  Casting ULONG_MAX to unsigned long is a
+     workaround.  */
+#ifdef ULONG_MAX
+  if (__GMP_ULONG_MAX != (unsigned long) ULONG_MAX)
+    {
+      printf ("__GMP_ULONG_MAX incorrect\n");
+      printf ("  __GMP_ULONG_MAX  %lu  0x%lX\n", __GMP_ULONG_MAX, __GMP_ULONG_MAX);
+      printf ("  ULONG_MAX        %lu  0x%lX\n", ULONG_MAX, ULONG_MAX);
+      error = 1;
+    }
+#endif
+
+#ifdef USHRT_MAX
+  if (__GMP_USHRT_MAX != USHRT_MAX)
+    {
+      printf ("__GMP_USHRT_MAX incorrect\n");
+      printf ("  __GMP_USHRT_MAX  %hu  0x%hX\n", __GMP_USHRT_MAX, __GMP_USHRT_MAX);
+      printf ("  USHRT_MAX        %hu  0x%hX\n", USHRT_MAX, USHRT_MAX);
+      error = 1;
+    }
+#endif
+
+  if (error)
+    abort ();
+
+  exit (0);
+}