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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 |
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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 "src/v8.h" | 30 #include "src/v8.h" |
31 | 31 |
| 32 #include "src/base/platform/platform.h" |
32 #include "src/diy-fp.h" | 33 #include "src/diy-fp.h" |
33 #include "src/platform.h" | |
34 #include "test/cctest/cctest.h" | 34 #include "test/cctest/cctest.h" |
35 | 35 |
36 | 36 |
37 using namespace v8::internal; | 37 using namespace v8::internal; |
38 | 38 |
39 | 39 |
40 TEST(Subtract) { | 40 TEST(Subtract) { |
41 DiyFp diy_fp1 = DiyFp(3, 0); | 41 DiyFp diy_fp1 = DiyFp(3, 0); |
42 DiyFp diy_fp2 = DiyFp(1, 0); | 42 DiyFp diy_fp2 = DiyFp(1, 0); |
43 DiyFp diff = DiyFp::Minus(diy_fp1, diy_fp2); | 43 DiyFp diff = DiyFp::Minus(diy_fp1, diy_fp2); |
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83 // Halfway cases are allowed to round either way. So don't check for it. | 83 // Halfway cases are allowed to round either way. So don't check for it. |
84 | 84 |
85 // Big numbers. | 85 // Big numbers. |
86 diy_fp1 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 11); | 86 diy_fp1 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 11); |
87 diy_fp2 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 13); | 87 diy_fp2 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 13); |
88 // 128bit result: 0xfffffffffffffffe0000000000000001 | 88 // 128bit result: 0xfffffffffffffffe0000000000000001 |
89 product = DiyFp::Times(diy_fp1, diy_fp2); | 89 product = DiyFp::Times(diy_fp1, diy_fp2); |
90 CHECK(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFe) == product.f()); | 90 CHECK(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFe) == product.f()); |
91 CHECK_EQ(11 + 13 + 64, product.e()); | 91 CHECK_EQ(11 + 13 + 64, product.e()); |
92 } | 92 } |
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