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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include <stdlib.h> | 28 #include <stdlib.h> |
29 | 29 |
30 #include "v8.h" | 30 #include "src/v8.h" |
31 | 31 |
32 #include "platform.h" | 32 #include "src/platform.h" |
33 #include "cctest.h" | 33 #include "test/cctest/cctest.h" |
34 #include "diy-fp.h" | 34 #include "src/diy-fp.h" |
35 #include "double.h" | 35 #include "src/double.h" |
36 | 36 |
37 | 37 |
38 using namespace v8::internal; | 38 using namespace v8::internal; |
39 | 39 |
40 | 40 |
41 TEST(Uint64Conversions) { | 41 TEST(Uint64Conversions) { |
42 // Start by checking the byte-order. | 42 // Start by checking the byte-order. |
43 uint64_t ordered = V8_2PART_UINT64_C(0x01234567, 89ABCDEF); | 43 uint64_t ordered = V8_2PART_UINT64_C(0x01234567, 89ABCDEF); |
44 CHECK_EQ(3512700564088504e-318, Double(ordered).value()); | 44 CHECK_EQ(3512700564088504e-318, Double(ordered).value()); |
45 | 45 |
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222 Double d0(-4e-324); | 222 Double d0(-4e-324); |
223 Double d1(d0.NextDouble()); | 223 Double d1(d0.NextDouble()); |
224 Double d2(d1.NextDouble()); | 224 Double d2(d1.NextDouble()); |
225 CHECK_EQ(-0.0, d1.value()); | 225 CHECK_EQ(-0.0, d1.value()); |
226 CHECK_EQ(0.0, d2.value()); | 226 CHECK_EQ(0.0, d2.value()); |
227 CHECK_EQ(4e-324, d2.NextDouble()); | 227 CHECK_EQ(4e-324, d2.NextDouble()); |
228 CHECK_EQ(-1.7976931348623157e308, Double(-V8_INFINITY).NextDouble()); | 228 CHECK_EQ(-1.7976931348623157e308, Double(-V8_INFINITY).NextDouble()); |
229 CHECK_EQ(V8_INFINITY, | 229 CHECK_EQ(V8_INFINITY, |
230 Double(V8_2PART_UINT64_C(0x7fefffff, ffffffff)).NextDouble()); | 230 Double(V8_2PART_UINT64_C(0x7fefffff, ffffffff)).NextDouble()); |
231 } | 231 } |
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