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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 class _Double implements double { | 5 class _Double extends _Num implements double { |
6 factory _Double.fromInteger(int value) | 6 factory _Double.fromInteger(int value) |
7 native "Double_doubleFromInteger"; | 7 native "Double_doubleFromInteger"; |
8 | 8 |
9 Type get runtimeType => double; | 9 Type get runtimeType => double; |
10 | 10 |
11 int get _identityHashCode { | 11 int get _identityHashCode { |
12 if (isNaN || isInfinite) return 0; | 12 if (isNaN || isInfinite) return 0; |
13 return toInt(); | 13 return toInt(); |
14 } | 14 } |
15 double operator +(num other) { | 15 double operator +(num other) { |
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236 return EQUAL; | 236 return EQUAL; |
237 } | 237 } |
238 } else if (isNaN) { | 238 } else if (isNaN) { |
239 return other.isNaN ? EQUAL : GREATER; | 239 return other.isNaN ? EQUAL : GREATER; |
240 } else { | 240 } else { |
241 // Other is NaN. | 241 // Other is NaN. |
242 return LESS; | 242 return LESS; |
243 } | 243 } |
244 } | 244 } |
245 } | 245 } |
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