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#if ENABLE(SVG)
28#include "SMILTime.h"
29
30#include <float.h>
31
32using namespace WebCore;
33
34const double SMILTime::unresolvedValue = DBL_MAX;
35// Just a big value smaller than DBL_MAX. Our times are relative to 0, we don't really need the full range.
36const double SMILTime::indefiniteValue = FLT_MAX;
37
38SMILTime WebCore::operator+(const SMILTime& a, const SMILTime& b)
39{
40    if (a.isUnresolved() || b.isUnresolved())
41        return SMILTime::unresolved();
42    if (a.isIndefinite() || b.isIndefinite())
43        return SMILTime::indefinite();
44    return a.value() + b.value();
45}
46
47SMILTime WebCore::operator-(const SMILTime& a, const SMILTime& b)
48{
49    if (a.isUnresolved() || b.isUnresolved())
50        return SMILTime::unresolved();
51    if (a.isIndefinite() || b.isIndefinite())
52        return SMILTime::indefinite();
53    return a.value() - b.value();
54}
55
56SMILTime WebCore::operator*(const SMILTime& a,  const SMILTime& b)
57{
58    if (a.isUnresolved() || b.isUnresolved())
59        return SMILTime::unresolved();
60    if (a.value() == 0 || b.value() == 0)
61        return SMILTime(0);
62    if (a.isIndefinite() || b.isIndefinite())
63        return SMILTime::indefinite();
64    return a.value() * b.value();
65}
66#endif
67
68