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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /** | 5 /** |
6 * A fixed-precision integer. | 6 * A fixed-precision integer. |
7 */ | 7 */ |
8 abstract class intx implements Comparable { | 8 abstract class intx implements Comparable { |
9 | 9 |
10 // Arithmetic operations. | 10 // Arithmetic operations. |
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32 | 32 |
33 // Relational operations, may be applied to intx or int. | 33 // Relational operations, may be applied to intx or int. |
34 int compareTo(Comparable other); | 34 int compareTo(Comparable other); |
35 bool operator ==(other); | 35 bool operator ==(other); |
36 bool operator <(other); | 36 bool operator <(other); |
37 bool operator <=(other); | 37 bool operator <=(other); |
38 bool operator >(other); | 38 bool operator >(other); |
39 bool operator >=(other); | 39 bool operator >=(other); |
40 | 40 |
41 // Testers. | 41 // Testers. |
42 bool isEven(); | 42 bool get isEven; |
43 bool isMaxValue(); | 43 bool get isMaxValue; |
44 bool isMinValue(); | 44 bool get isMinValue; |
45 bool isNegative(); | 45 bool get isNegative; |
46 bool isOdd(); | 46 bool get isOdd; |
47 bool isZero(); | 47 bool get isZero; |
48 | 48 |
49 int get hashCode; | 49 int get hashCode; |
50 | 50 |
51 intx abs(); | 51 intx abs(); |
52 | 52 |
53 /** | 53 /** |
54 * Returns the number of leading zeros in this [intx] as an [int] | 54 * Returns the number of leading zeros in this [intx] as an [int] |
55 * between 0 and 64. | 55 * between 0 and 64. |
56 */ | 56 */ |
57 int numberOfLeadingZeros(); | 57 int numberOfLeadingZeros(); |
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94 * Returns the value of this [intx] as a hexadecimal [String]. | 94 * Returns the value of this [intx] as a hexadecimal [String]. |
95 */ | 95 */ |
96 String toHexString(); | 96 String toHexString(); |
97 | 97 |
98 /** | 98 /** |
99 * Returns the value of this [intx] as a [String] in the given radix. | 99 * Returns the value of this [intx] as a [String] in the given radix. |
100 * [radix] must be an integer between 2 and 16, inclusive. | 100 * [radix] must be an integer between 2 and 16, inclusive. |
101 */ | 101 */ |
102 String toRadixString(int radix); | 102 String toRadixString(int radix); |
103 } | 103 } |
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