* mpbsd/tests/t-misc.c: New file.

(Exercising itom, in particular its 0x8000 handling.)

1 files changed, 76 insertions, 0 deletions

diff --git a/mpbsd/tests/t-misc.c b/mpbsd/tests/t-misc.c
new file mode 100644
index 000000000..991cb5fa2
--- /dev/null
+++ b/mpbsd/tests/t-misc.c
@@ -0,0 +1,76 @@
+/* Exercise various mpbsd functions. */
+
+/*
+Copyright (C) 2000 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 Library General Public License as published by
+the Free Software Foundation; either version 2 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 Library General Public
+License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA.
+*/
+
+#include <stdio.h>
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "mp.h"
+
+
+#define numberof(x)  (sizeof (x) / sizeof ((x)[0]))
+#define SGN(x)       ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
+
+
+void
+check_itom (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 },
+
+    {  SHORT_MAX,  1, SHORT_MAX },
+    { -SHORT_MAX, -1, SHORT_MAX },
+
+    { SHORT_HIGHBIT, -1, USHORT_HIGHBIT },
+  };
+
+  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)
+{
+  check_itom ();
+
+  exit (0);
+}