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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 // Flags: --harmony-maths | |
29 | |
30 [Math.log10, Math.log2].forEach( function(fun) { | 28 [Math.log10, Math.log2].forEach( function(fun) { |
31 assertTrue(isNaN(fun(NaN))); | 29 assertTrue(isNaN(fun(NaN))); |
32 assertTrue(isNaN(fun(fun))); | 30 assertTrue(isNaN(fun(fun))); |
33 assertTrue(isNaN(fun({ toString: function() { return NaN; } }))); | 31 assertTrue(isNaN(fun({ toString: function() { return NaN; } }))); |
34 assertTrue(isNaN(fun({ valueOf: function() { return -1; } }))); | 32 assertTrue(isNaN(fun({ valueOf: function() { return -1; } }))); |
35 assertTrue(isNaN(fun({ valueOf: function() { return "abc"; } }))); | 33 assertTrue(isNaN(fun({ valueOf: function() { return "abc"; } }))); |
36 assertTrue(isNaN(fun(-0.1))); | 34 assertTrue(isNaN(fun(-0.1))); |
37 assertTrue(isNaN(fun(-1))); | 35 assertTrue(isNaN(fun(-1))); |
38 assertEquals("-Infinity", String(fun(0))); | 36 assertEquals("-Infinity", String(fun(0))); |
39 assertEquals("-Infinity", String(fun(-0))); | 37 assertEquals("-Infinity", String(fun(-0))); |
40 assertEquals(0, fun(1)); | 38 assertEquals(0, fun(1)); |
41 assertEquals("Infinity", String(fun(Infinity))); | 39 assertEquals("Infinity", String(fun(Infinity))); |
42 }); | 40 }); |
43 | 41 |
44 for (var i = -300; i < 300; i += 0.7) { | 42 for (var i = -300; i < 300; i += 0.7) { |
45 assertEqualsDelta(i, Math.log10(Math.pow(10, i)), 1E-13); | 43 assertEqualsDelta(i, Math.log10(Math.pow(10, i)), 1E-13); |
46 assertEqualsDelta(i, Math.log2(Math.pow(2, i)), 1E-13); | 44 assertEqualsDelta(i, Math.log2(Math.pow(2, i)), 1E-13); |
47 } | 45 } |
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