1 files changed, 35 insertions, 0 deletions
diff --git a/src/utils/rounding.h b/src/utils/rounding.h
new file mode 100644
index 000000000..11ab90b8d
--- /dev/null
+++ b/src/utils/rounding.h
@@ -0,0 +1,35 @@
+/*
+* Integer Rounding Functions
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_ROUNDING_H__
+#define BOTAN_ROUNDING_H__
+
+#include <botan/types.h>
+
+namespace Botan {
+
+/*
+* Round up n to multiple of align_to
+*/
+inline u32bit round_up(u32bit n, u32bit align_to)
+   {
+   if(n % align_to || n == 0)
+      n += align_to - (n % align_to);
+   return n;
+   }
+
+/*
+* Round down n to multiple of align_to
+*/
+inline u32bit round_down(u32bit n, u32bit align_to)
+   {
+   return (n - (n % align_to));
+   }
+
+}
+
+#endif