From d48ea5bb797037069d641da41da0f195f0124491 Mon Sep 17 00:00:00 2001
From: dan miller
Date: Fri, 19 Oct 2007 05:20:48 +0000
Subject: one more for the gipper

---
 libraries/ode-0.9/OPCODE/Ice/IceUtils.cpp | 39 +++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 libraries/ode-0.9/OPCODE/Ice/IceUtils.cpp

(limited to 'libraries/ode-0.9/OPCODE/Ice/IceUtils.cpp')

diff --git a/libraries/ode-0.9/OPCODE/Ice/IceUtils.cpp b/libraries/ode-0.9/OPCODE/Ice/IceUtils.cpp
new file mode 100644
index 0000000..29b6c57
--- /dev/null
+++ b/libraries/ode-0.9/OPCODE/Ice/IceUtils.cpp
@@ -0,0 +1,39 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ *	Contains misc. useful macros & defines.
+ *	\file		IceUtils.cpp
+ *	\author		Pierre Terdiman (collected from various sources)
+ *	\date		April, 4, 2000
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// Precompiled Header
+#include "Stdafx.h"
+
+using namespace IceCore;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ *	Returns the alignment of the input address.
+ *	\fn			Alignment()
+ *	\param		address	[in] address to check
+ *	\return		the best alignment (e.g. 1 for odd addresses, etc)
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+udword IceCore::Alignment(udword address)
+{
+	// Returns 0 for null addresses
+	if(!address) return 0;
+
+	// Test all bits
+	udword Align = 1;
+	for(udword i=1;i<32;i++)
+	{
+		// Returns as soon as the alignment is broken
+		if(address&Align)	return Align;
+		Align<<=1;
+	}
+	// Here all bits are null, except the highest one (else the address would be null)
+	return Align;
+}
-- 
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