From 3a926f0228c68d7d91cf3946624d7859976440ec Mon Sep 17 00:00:00 2001
From: Ladislav Zezula <ladislav.zezula@avg.com>
Date: Fri, 11 Jan 2013 14:55:08 +0100
Subject: Initial creation

---
 src/libtommath/bn_mp_dr_setup.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src/libtommath/bn_mp_dr_setup.c

(limited to 'src/libtommath/bn_mp_dr_setup.c')

diff --git a/src/libtommath/bn_mp_dr_setup.c b/src/libtommath/bn_mp_dr_setup.c
new file mode 100644
index 0000000..a5152f7
--- /dev/null
+++ b/src/libtommath/bn_mp_dr_setup.c
@@ -0,0 +1,32 @@
+#include "tommath.h"
+#ifdef BN_MP_DR_SETUP_C
+/* LibTomMath, multiple-precision integer library -- Tom St Denis
+ *
+ * LibTomMath is a library that provides multiple-precision
+ * integer arithmetic as well as number theoretic functionality.
+ *
+ * The library was designed directly after the MPI library by
+ * Michael Fromberger but has been written from scratch with
+ * additional optimizations in place.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* determines the setup value */
+void mp_dr_setup(mp_int *a, mp_digit *d)
+{
+   /* the casts are required if DIGIT_BIT is one less than
+    * the number of bits in a mp_digit [e.g. DIGIT_BIT==31]
+    */
+   *d = (mp_digit)((((mp_word)1) << ((mp_word)DIGIT_BIT)) - 
+        ((mp_word)a->dp[0]));
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtommath/bn_mp_dr_setup.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/12/28 01:25:13 $ */
-- 
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