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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Time represents an absolute point in time, internally represented as | 5 // Time represents an absolute point in time, internally represented as |
6 // microseconds (s/1,000,000) since a platform-dependent epoch. Each | 6 // microseconds (s/1,000,000) since a platform-dependent epoch. Each |
7 // platform's epoch, along with other system-dependent clock interface | 7 // platform's epoch, along with other system-dependent clock interface |
8 // routines, is defined in time_PLATFORM.cc. | 8 // routines, is defined in time_PLATFORM.cc. |
9 // | 9 // |
10 // TimeDelta represents a duration of time, internally represented in | 10 // TimeDelta represents a duration of time, internally represented in |
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64 | 64 |
65 // Returns the time delta in some unit. The F versions return a floating | 65 // Returns the time delta in some unit. The F versions return a floating |
66 // point value, the "regular" versions return a rounded-down value. | 66 // point value, the "regular" versions return a rounded-down value. |
67 int InDays() const; | 67 int InDays() const; |
68 int InHours() const; | 68 int InHours() const; |
69 int InMinutes() const; | 69 int InMinutes() const; |
70 double InSecondsF() const; | 70 double InSecondsF() const; |
71 int64 InSeconds() const; | 71 int64 InSeconds() const; |
72 double InMillisecondsF() const; | 72 double InMillisecondsF() const; |
73 int64 InMilliseconds() const; | 73 int64 InMilliseconds() const; |
74 int64 InMillisecondsRoundedUp() const; | |
75 int64 InMicroseconds() const; | 74 int64 InMicroseconds() const; |
76 | 75 |
77 TimeDelta& operator=(TimeDelta other) { | 76 TimeDelta& operator=(TimeDelta other) { |
78 delta_ = other.delta_; | 77 delta_ = other.delta_; |
79 return *this; | 78 return *this; |
80 } | 79 } |
81 | 80 |
82 // Computations with other deltas. | 81 // Computations with other deltas. |
83 TimeDelta operator+(TimeDelta other) const { | 82 TimeDelta operator+(TimeDelta other) const { |
84 return TimeDelta(delta_ + other.delta_); | 83 return TimeDelta(delta_ + other.delta_); |
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492 #endif | 491 #endif |
493 }; | 492 }; |
494 | 493 |
495 inline TimeTicks TimeDelta::operator+(TimeTicks t) const { | 494 inline TimeTicks TimeDelta::operator+(TimeTicks t) const { |
496 return TimeTicks(t.ticks_ + delta_); | 495 return TimeTicks(t.ticks_ + delta_); |
497 } | 496 } |
498 | 497 |
499 } // namespace base | 498 } // namespace base |
500 | 499 |
501 #endif // BASE_TIME_H_ | 500 #endif // BASE_TIME_H_ |
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