Imported gcc-4.4.3

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

diff --git a/gmp/tests/mpbsd/t-itom.c b/gmp/tests/mpbsd/t-itom.c
new file mode 100644 (file)
index 0000000..9b49cb0
--- /dev/null
+++ b/gmp/tests/mpbsd/t-itom.c
@@ -0,0 +1,74 @@
+/* Test itom.
+
+Copyright 2000, 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 "mp.h"
+#include "tests.h"
+
+#define SGN(x)       ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
+
+
+void
+check_data (void)
+{
+  static const struct {
+    short      m;
+    mp_size_t  want_size;
+    mp_limb_t  want_limb;
+  } data[] = {
+
+    {  0L,  0 },
+    {  1L,  1, 1 },
+    { -1L, -1, 1 },
+
+    {  SHRT_MAX,  1,  SHRT_MAX },
+    { -SHRT_MAX, -1,  SHRT_MAX },
+    {  SHRT_MIN, -1, -SHRT_MIN },
+  };
+
+  MINT  *m;
+  int   i;
+
+  for (i = 0; i < numberof (data); i++)
+    {
+      m = itom (data[i].m);
+      if (m->_mp_size != data[i].want_size
+         || (m->_mp_size != 0 && m->_mp_d[0] != data[i].want_limb))
+       {
+         printf ("itom wrong on data[%d]\n", i);
+         abort();
+       }
+      mfree (m);
+    }
+}
+
+
+int
+main (void)
+{
+  tests_start ();
+
+  check_data ();
+
+  tests_end ();
+  exit (0);
+}