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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 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. |
| 4 |
| 5 import 'package:expect/expect.dart'; |
| 6 |
| 7 main() { |
| 8 Expect.equals(0, 0.0.floor()); |
| 9 Expect.equals(0, double.MIN_POSITIVE.floor()); |
| 10 Expect.equals(0, (2.0 * double.MIN_POSITIVE).floor()); |
| 11 Expect.equals(0, (1.18e-38).floor()); |
| 12 Expect.equals(0, (1.18e-38 * 2).floor()); |
| 13 Expect.equals(0, 0.49999999999999994.floor()); |
| 14 Expect.equals(0, 0.5.floor()); |
| 15 Expect.equals(0, 0.9999999999999999.floor()); |
| 16 Expect.equals(1, 1.0.floor()); |
| 17 Expect.equals(1, 1.000000000000001.floor()); |
| 18 // The following numbers are on the border of 52 bits. |
| 19 // For example: 4503599627370499 + 0.5 => 4503599627370500. |
| 20 Expect.equals(4503599627370496, 4503599627370496.0.floor()); |
| 21 Expect.equals(4503599627370497, 4503599627370497.0.floor()); |
| 22 Expect.equals(4503599627370498, 4503599627370498.0.floor()); |
| 23 Expect.equals(4503599627370499, 4503599627370499.0.floor()); |
| 24 |
| 25 Expect.equals(9007199254740991, 9007199254740991.0.floor()); |
| 26 Expect.equals(9007199254740992, 9007199254740992.0.floor()); |
| 27 Expect.equals(1797693134862315708145274237317043567980705675258449965989174768
03157260780028538760589558632766878171540458953514382464234321326889464182768467
54670353751698604991057655128207624549009038932894407586850845513394230458323690
32229481658085593321233482747978262041447231687381771809192998812504040261841248
58368, |
| 28 double.MAX_FINITE.floor()); |
| 29 |
| 30 Expect.equals(-1, (-double.MIN_POSITIVE).floor()); |
| 31 Expect.equals(-1, (2.0 * -double.MIN_POSITIVE).floor()); |
| 32 Expect.equals(-1, (-1.18e-38).floor()); |
| 33 Expect.equals(-1, (-1.18e-38 * 2).floor()); |
| 34 Expect.equals(-1, (-0.49999999999999994).floor()); |
| 35 Expect.equals(-1, (-0.5).floor()); |
| 36 Expect.equals(-1, (-0.9999999999999999).floor()); |
| 37 Expect.equals(-1, (-1.0).floor()); |
| 38 Expect.equals(-2, (-1.000000000000001).floor()); |
| 39 Expect.equals(-4503599627370496, (-4503599627370496.0).floor()); |
| 40 Expect.equals(-4503599627370497, (-4503599627370497.0).floor()); |
| 41 Expect.equals(-4503599627370498, (-4503599627370498.0).floor()); |
| 42 Expect.equals(-4503599627370499, (-4503599627370499.0).floor()); |
| 43 Expect.equals(-9007199254740991, (-9007199254740991.0).floor()); |
| 44 Expect.equals(-9007199254740992, (-9007199254740992.0).floor()); |
| 45 Expect.equals(-179769313486231570814527423731704356798070567525844996598917476
80315726078002853876058955863276687817154045895351438246423432132688946418276846
75467035375169860499105765512820762454900903893289440758685084551339423045832369
03222948165808559332123348274797826204144723168738177180919299881250404026184124
858368, |
| 46 (-double.MAX_FINITE).floor()); |
| 47 |
| 48 Expect.isTrue(0.0.floor() is int); |
| 49 Expect.isTrue(double.MIN_POSITIVE.floor() is int); |
| 50 Expect.isTrue((2.0 * double.MIN_POSITIVE).floor() is int); |
| 51 Expect.isTrue((1.18e-38).floor() is int); |
| 52 Expect.isTrue((1.18e-38 * 2).floor() is int); |
| 53 Expect.isTrue(0.49999999999999994.floor() is int); |
| 54 Expect.isTrue(0.5.floor() is int); |
| 55 Expect.isTrue(0.9999999999999999.floor() is int); |
| 56 Expect.isTrue(1.0.floor() is int); |
| 57 Expect.isTrue(1.000000000000001.floor() is int); |
| 58 Expect.isTrue(4503599627370496.0.floor() is int); |
| 59 Expect.isTrue(4503599627370497.0.floor() is int); |
| 60 Expect.isTrue(4503599627370498.0.floor() is int); |
| 61 Expect.isTrue(4503599627370499.0.floor() is int); |
| 62 Expect.isTrue(9007199254740991.0.floor() is int); |
| 63 Expect.isTrue(9007199254740992.0.floor() is int); |
| 64 Expect.isTrue(double.MAX_FINITE.floor() is int); |
| 65 |
| 66 Expect.isTrue((-double.MIN_POSITIVE).floor() is int); |
| 67 Expect.isTrue((2.0 * -double.MIN_POSITIVE).floor() is int); |
| 68 Expect.isTrue((-1.18e-38).floor() is int); |
| 69 Expect.isTrue((-1.18e-38 * 2).floor() is int); |
| 70 Expect.isTrue((-0.49999999999999994).floor() is int); |
| 71 Expect.isTrue((-0.5).floor() is int); |
| 72 Expect.isTrue((-0.9999999999999999).floor() is int); |
| 73 Expect.isTrue((-1.0).floor() is int); |
| 74 Expect.isTrue((-1.000000000000001).floor() is int); |
| 75 Expect.isTrue((-4503599627370496.0).floor() is int); |
| 76 Expect.isTrue((-4503599627370497.0).floor() is int); |
| 77 Expect.isTrue((-4503599627370498.0).floor() is int); |
| 78 Expect.isTrue((-4503599627370499.0).floor() is int); |
| 79 Expect.isTrue((-9007199254740991.0).floor() is int); |
| 80 Expect.isTrue((-9007199254740992.0).floor() is int); |
| 81 Expect.isTrue((-double.MAX_FINITE).floor() is int); |
| 82 } |
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