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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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24 */ | 24 */ |
25 | 25 |
26 #include "config.h" | 26 #include "config.h" |
27 | 27 |
28 #include "core/svg/animation/SMILTime.h" | 28 #include "core/svg/animation/SMILTime.h" |
29 | 29 |
30 #include <float.h> | 30 #include <float.h> |
31 | 31 |
32 using namespace blink; | 32 using namespace blink; |
33 | 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 | |
38 SMILTime blink::operator+(const SMILTime& a, const SMILTime& b) | 34 SMILTime blink::operator+(const SMILTime& a, const SMILTime& b) |
39 { | 35 { |
40 if (a.isUnresolved() || b.isUnresolved()) | 36 if (a.isUnresolved() || b.isUnresolved()) |
41 return SMILTime::unresolved(); | 37 return SMILTime::unresolved(); |
42 if (a.isIndefinite() || b.isIndefinite()) | 38 if (a.isIndefinite() || b.isIndefinite()) |
43 return SMILTime::indefinite(); | 39 return SMILTime::indefinite(); |
44 return a.value() + b.value(); | 40 return a.value() + b.value(); |
45 } | 41 } |
46 | 42 |
47 SMILTime blink::operator-(const SMILTime& a, const SMILTime& b) | 43 SMILTime blink::operator-(const SMILTime& a, const SMILTime& b) |
48 { | 44 { |
49 if (a.isUnresolved() || b.isUnresolved()) | 45 if (a.isUnresolved() || b.isUnresolved()) |
50 return SMILTime::unresolved(); | 46 return SMILTime::unresolved(); |
51 if (a.isIndefinite() || b.isIndefinite()) | 47 if (a.isIndefinite() || b.isIndefinite()) |
52 return SMILTime::indefinite(); | 48 return SMILTime::indefinite(); |
53 return a.value() - b.value(); | 49 return a.value() - b.value(); |
54 } | 50 } |
55 | 51 |
56 SMILTime blink::operator*(const SMILTime& a, const SMILTime& b) | 52 SMILTime blink::operator*(const SMILTime& a, const SMILTime& b) |
57 { | 53 { |
58 if (a.isUnresolved() || b.isUnresolved()) | 54 if (a.isUnresolved() || b.isUnresolved()) |
59 return SMILTime::unresolved(); | 55 return SMILTime::unresolved(); |
60 if (!a.value() || !b.value()) | 56 if (!a.value() || !b.value()) |
61 return SMILTime(0); | 57 return SMILTime(0); |
62 if (a.isIndefinite() || b.isIndefinite()) | 58 if (a.isIndefinite() || b.isIndefinite()) |
63 return SMILTime::indefinite(); | 59 return SMILTime::indefinite(); |
64 return a.value() * b.value(); | 60 return a.value() * b.value(); |
65 } | 61 } |
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