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
32 using namespace WebCore;
33
34 const 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.
36 const double SMILTime::indefiniteValue = FLT_MAX;
37
operator +(const SMILTime & a,const SMILTime & b)38 SMILTime 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
operator -(const SMILTime & a,const SMILTime & b)47 SMILTime 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
operator *(const SMILTime & a,const SMILTime & b)56 SMILTime 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