1 files changed, 53 insertions, 0 deletions
diff --git a/ghc/runtime/gmp/itom.c b/ghc/runtime/gmp/itom.c
new file mode 100644
index 0000000000..64502fc3fa
--- /dev/null
+++ b/ghc/runtime/gmp/itom.c
@@ -0,0 +1,53 @@
+/* itom -- BSD compatible allocate and initiate a MINT.
+
+Copyright (C) 1991 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 General Public License as published by
+the Free Software Foundation; either version 2, 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the GNU MP Library; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "mp.h"
+#include "gmp.h"
+#include "gmp-impl.h"
+
+MINT *
+#ifdef __STDC__
+itom (signed short int n)
+#else
+itom (n)
+     short int n;
+#endif
+{
+  MINT *x;
+  mp_ptr xp;
+
+  x = (MINT *) (*_mp_allocate_func) (sizeof (MINT));
+  x->alloc = 1;
+  x->d = xp = (mp_ptr) (*_mp_allocate_func) (x->alloc * BYTES_PER_MP_LIMB);
+  if (n > 0)
+    {
+      x->size = 1;
+      xp[0] = n;
+    }
+  else if (n < 0)
+    {
+      x->size = -1;
+      xp[0] = -n;
+    }
+  else
+    x->size = 0;
+
+  return x;
+}