diff -r 000000000000 -r 4f2f89ce4247 WebCore/platform/FloatConversion.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/FloatConversion.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2007 Apple Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FloatConversion_h
+#define FloatConversion_h
+
+#if PLATFORM(CG)
+#include <CoreGraphics/CGBase.h>
+#endif
+
+namespace WebCore {
+
+    template<typename T>
+    float narrowPrecisionToFloat(T);
+
+    template<>
+    inline float narrowPrecisionToFloat(double number)
+    {
+        return static_cast<float>(number);
+    }
+
+#if PLATFORM(CG)
+    template<typename T>
+    CGFloat narrowPrecisionToCGFloat(T);
+
+    template<>
+    inline CGFloat narrowPrecisionToCGFloat(double number)
+    {
+        return static_cast<CGFloat>(number);
+    }
+#endif
+
+} // namespace WebCore
+
+#endif // FloatConversion_h