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Side by Side Diff: test/mjsunit/transcendentals.js

Issue 173644: Use more sane inputs to get more consistent answers from... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 3 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 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
(...skipping 10 matching lines...) Expand all
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 28
29 // Two fp numbers that have the same hash value (see TranscendentalCache 29 // Two fp numbers that have the same hash value (see TranscendentalCache
30 // in heap.h). 30 // in heap.h).
31 var x = 0x123456789ABCD; 31 var x = 0x123456789ABCD / 0x2000000000000;
32 var y = 0x1134567899BCD; 32 var y = 0x1134567899BCD / 0x2000000000000;
33 33
34 assertEquals(-0.5582508193778007, Math.sin(x)); 34 assertEquals(0.5386962702923196, Math.sin(x));
35 assertEquals(-0.7367701055966746, Math.sin(y)); 35 assertEquals(0.5121094149171027, Math.sin(y));
36 36
37 assertEquals(-0.8296722380940645, Math.cos(x)); 37 assertEquals(0.8425000465122504, Math.cos(x));
38 assertEquals(-0.6761433365042245, Math.cos(y)); 38 assertEquals(0.8589202216464942, Math.cos(y));
39 39
40 assertEquals(0.6728570557696649, Math.tan(x)); 40 assertEquals(0.6394020659374369, Math.tan(x));
41 assertEquals(1.0896655573149632, Math.tan(y)); 41 assertEquals(0.5962246574372441, Math.tan(y));
42 42
43 assertEquals(33.400141709152514, Math.log(x)); 43 assertEquals(-0.5640701382848059, Math.log(x));
44 assertEquals(33.343643692997280, Math.log(y)); 44 assertEquals(-0.6205681544400349, Math.log(y));
45
46 // These also have the same hash value but they are < 1 so they can be
47 // used for the asin and other functions.
48 x = 0x123456789ABCD / 0x2000000000000;
49 y = 0x1134567899BCD / 0x2000000000000;
50 45
51 assertEquals(0.6051541873165459, Math.asin(x)); 46 assertEquals(0.6051541873165459, Math.asin(x));
52 assertEquals(0.5676343396849298, Math.asin(y)); 47 assertEquals(0.5676343396849298, Math.asin(y));
53 48
54 assertEquals(0.9656421394783508, Math.acos(x)); 49 assertEquals(0.9656421394783508, Math.acos(x));
55 assertEquals(1.0031619871099668, Math.acos(y)); 50 assertEquals(1.0031619871099668, Math.acos(y));
56 51
57 assertEquals(0.5172294898564562, Math.atan(x)); 52 assertEquals(0.5172294898564562, Math.atan(x));
58 assertEquals(0.4933034078249788, Math.atan(y)); 53 assertEquals(0.4933034078249788, Math.atan(y));
59 54
60 assertEquals(1.7663034013841883, Math.exp(x)); 55 assertEquals(1.7663034013841883, Math.exp(x));
61 assertEquals(1.7119599587777090, Math.exp(y)); 56 assertEquals(1.7119599587777090, Math.exp(y));
62
63 print("OK");
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