diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/animation/SMILTime.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/animation/SMILTime.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
+ * 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. 
+ */
+
+#include "config.h"
+#if ENABLE(SVG)
+#include "SMILTime.h"
+
+#include <float.h>
+
+using namespace WebCore;
+
+const double SMILTime::unresolvedValue = DBL_MAX;
+// Just a big value smaller than DBL_MAX. Our times are relative to 0, we don't really need the full range.
+const double SMILTime::indefiniteValue = FLT_MAX;    
+
+SMILTime WebCore::operator+(const SMILTime& a, const SMILTime& b)
+{
+    if (a.isUnresolved() || b.isUnresolved())
+        return SMILTime::unresolved();
+    if (a.isIndefinite() || b.isIndefinite())
+        return SMILTime::indefinite();
+    return a.value() + b.value();
+}
+
+SMILTime WebCore::operator-(const SMILTime& a, const SMILTime& b)
+{
+    if (a.isUnresolved() || b.isUnresolved())
+        return SMILTime::unresolved();
+    if (a.isIndefinite() || b.isIndefinite())
+        return SMILTime::indefinite();
+    return a.value() - b.value();
+}
+
+SMILTime WebCore::operator*(const SMILTime& a,  const SMILTime& b)
+{
+    if (a.isUnresolved() || b.isUnresolved())
+        return SMILTime::unresolved();
+    if (a.value() == 0 || b.value() == 0)
+        return SMILTime(0);
+    if (a.isIndefinite() || b.isIndefinite())
+        return SMILTime::indefinite();
+    return a.value() * b.value();
+}
+#endif
+