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Side by Side Diff: test/mjsunit/harmony/math-hyperbolic.js

Issue 195123002: Harmony: move math features to es-staging. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: done Created 6 years, 9 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.
27
28 // Flags: --harmony-maths
29
30 [Math.sinh, Math.cosh, Math.tanh, Math.asinh, Math.acosh, Math.atanh].
31 forEach(function(fun) {
32 assertTrue(isNaN(fun(NaN)));
33 assertTrue(isNaN(fun("abc")));
34 assertTrue(isNaN(fun({})));
35 assertEquals(fun(0), fun([]));
36 assertTrue(isNaN(fun([1, 1])));
37 assertEquals(fun(1.11), fun({ toString: function() { return "1.11"; } }));
38 assertEquals(fun(-3.1), fun({ toString: function() { return -3.1; } }));
39 assertEquals(fun(-1.1), fun({ valueOf: function() { return "-1.1"; } }));
40 assertEquals(fun(3.11), fun({ valueOf: function() { return 3.11; } }));
41 });
42
43
44 function test_id(fun, rev, value) {
45 assertEqualsDelta(1, rev(fun(value))/value, 1E-7);
46 }
47
48 [Math.PI, 2, 5, 1E-5, 0.3].forEach(function(x) {
49 test_id(Math.sinh, Math.asinh, x);
50 test_id(Math.sinh, Math.asinh, -x);
51 test_id(Math.cosh, Math.acosh, x);
52 test_id(Math.tanh, Math.atanh, x);
53 test_id(Math.tanh, Math.atanh, -x);
54 });
55
56
57 [Math.sinh, Math.asinh, Math.tanh, Math.atanh].forEach(function(fun) {
58 assertEquals("-Infinity", String(1/fun(-0)));
59 assertEquals("Infinity", String(1/fun(0)));
60 });
61
62
63 [Math.sinh, Math.asinh].forEach(function(fun) {
64 assertEquals("-Infinity", String(fun(-Infinity)));
65 assertEquals("Infinity", String(fun(Infinity)));
66 assertEquals("-Infinity", String(fun("-Infinity")));
67 assertEquals("Infinity", String(fun("Infinity")));
68 });
69
70
71 assertEquals("Infinity", String(Math.cosh(-Infinity)));
72 assertEquals("Infinity", String(Math.cosh(Infinity)));
73 assertEquals("Infinity", String(Math.cosh("-Infinity")));
74 assertEquals("Infinity", String(Math.cosh("Infinity")));
75
76
77 assertEquals("-Infinity", String(Math.atanh(-1)));
78 assertEquals("Infinity", String(Math.atanh(1)));
79
80 // Math.atanh(x) is NaN for |x| > 1 and NaN
81 [1.000000000001, Math.PI, 10000000, 2, Infinity, NaN].forEach(function(x) {
82 assertTrue(isNaN(Math.atanh(-x)));
83 assertTrue(isNaN(Math.atanh(x)));
84 });
85
86
87 assertEquals(1, Math.tanh(Infinity));
88 assertEquals(-1, Math.tanh(-Infinity));
89 assertEquals(1, Math.cosh(0));
90 assertEquals(1, Math.cosh(-0));
91
92 assertEquals(0, Math.acosh(1));
93 assertEquals("Infinity", String(Math.acosh(Infinity)));
94
95 // Math.acosh(x) is NaN for x < 1
96 [0.99999999999, 0.2, -1000, 0, -0].forEach(function(x) {
97 assertTrue(isNaN(Math.acosh(x)));
98 });
99
100
101 // Some random samples.
102 assertEqualsDelta(0.5210953054937, Math.sinh(0.5), 1E-12);
103 assertEqualsDelta(74.203210577788, Math.sinh(5), 1E-12);
104 assertEqualsDelta(-0.5210953054937, Math.sinh(-0.5), 1E-12);
105 assertEqualsDelta(-74.203210577788, Math.sinh(-5), 1E-12);
106
107 assertEqualsDelta(1.1276259652063, Math.cosh(0.5), 1E-12);
108 assertEqualsDelta(74.209948524787, Math.cosh(5), 1E-12);
109 assertEqualsDelta(1.1276259652063, Math.cosh(-0.5), 1E-12);
110 assertEqualsDelta(74.209948524787, Math.cosh(-5), 1E-12);
111
112 assertEqualsDelta(0.4621171572600, Math.tanh(0.5), 1E-12);
113 assertEqualsDelta(0.9999092042625, Math.tanh(5), 1E-12);
114 assertEqualsDelta(-0.4621171572600, Math.tanh(-0.5), 1E-12);
115 assertEqualsDelta(-0.9999092042625, Math.tanh(-5), 1E-12);
116
117 assertEqualsDelta(0.4812118250596, Math.asinh(0.5), 1E-12);
118 assertEqualsDelta(2.3124383412727, Math.asinh(5), 1E-12);
119 assertEqualsDelta(-0.4812118250596, Math.asinh(-0.5), 1E-12);
120 assertEqualsDelta(-2.3124383412727, Math.asinh(-5), 1E-12);
121
122 assertEqualsDelta(0.9624236501192, Math.acosh(1.5), 1E-12);
123 assertEqualsDelta(2.2924316695612, Math.acosh(5), 1E-12);
124 assertEqualsDelta(0.4435682543851, Math.acosh(1.1), 1E-12);
125 assertEqualsDelta(1.3169578969248, Math.acosh(2), 1E-12);
126
127 assertEqualsDelta(0.5493061443341, Math.atanh(0.5), 1E-12);
128 assertEqualsDelta(0.1003353477311, Math.atanh(0.1), 1E-12);
129 assertEqualsDelta(-0.5493061443341, Math.atanh(-0.5), 1E-12);
130 assertEqualsDelta(-0.1003353477311, Math.atanh(-0.1), 1E-12);
131
132 [0, 1E-50, 1E-10, 1E10, 1E50, 1E100, 1E150].forEach(function(x) {
133 assertEqualsDelta(Math.asinh(x), -Math.asinh(-x), 1E-12);
134 });
135
136 [1-(1E-16), 0, 1E-10, 1E-50].forEach(function(x) {
137 assertEqualsDelta(Math.atanh(x), -Math.atanh(-x), 1E-12);
138 });
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