1/*
2 * Copyright (C) 2008 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "SMILTime.h"
28
29#include <float.h>
30
31namespace WebCore {
32
33const double SMILTime::unresolvedValue = DBL_MAX;
34// Just a big value smaller than DBL_MAX. Our times are relative to 0, we don't really need the full range.
35const double SMILTime::indefiniteValue = FLT_MAX;
36
37SMILTime operator+(const SMILTime& a, const SMILTime& b)
38{
39 if (a.isUnresolved() || b.isUnresolved())
40 return SMILTime::unresolved();
41 if (a.isIndefinite() || b.isIndefinite())
42 return SMILTime::indefinite();
43 return a.value() + b.value();
44}
45
46SMILTime operator-(const SMILTime& a, const SMILTime& b)
47{
48 if (a.isUnresolved() || b.isUnresolved())
49 return SMILTime::unresolved();
50 if (a.isIndefinite() || b.isIndefinite())
51 return SMILTime::indefinite();
52 return a.value() - b.value();
53}
54
55SMILTime operator*(const SMILTime& a, const SMILTime& b)
56{
57 if (a.isUnresolved() || b.isUnresolved())
58 return SMILTime::unresolved();
59 if (!a.value() || !b.value())
60 return SMILTime(0);
61 if (a.isIndefinite() || b.isIndefinite())
62 return SMILTime::indefinite();
63 return a.value() * b.value();
64}
65
66} // namespace WebCore
67