67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "SMILTime.h"
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#include <float.h>
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namespace WebCore {
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const double SMILTime::unresolvedValue = DBL_MAX;
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// Just a big value smaller than DBL_MAX. Our times are relative to 0, we don't really need the full range.
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const double SMILTime::indefiniteValue = FLT_MAX;
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SMILTime operator+(const SMILTime& a, const SMILTime& b)
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{
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if (a.isUnresolved() || b.isUnresolved())
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return SMILTime::unresolved();
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if (a.isIndefinite() || b.isIndefinite())
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return SMILTime::indefinite();
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return a.value() + b.value();
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}
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SMILTime operator-(const SMILTime& a, const SMILTime& b)
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{
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if (a.isUnresolved() || b.isUnresolved())
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return SMILTime::unresolved();
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if (a.isIndefinite() || b.isIndefinite())
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return SMILTime::indefinite();
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return a.value() - b.value();
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}
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SMILTime operator*(const SMILTime& a, const SMILTime& b)
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{
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if (a.isUnresolved() || b.isUnresolved())
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return SMILTime::unresolved();
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if (!a.value() || !b.value())
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return SMILTime(0);
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if (a.isIndefinite() || b.isIndefinite())
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return SMILTime::indefinite();
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return a.value() * b.value();
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}
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} // namespace WebCore
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