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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 |
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53 test_id(Math.tanh, Math.atanh, -x); | 53 test_id(Math.tanh, Math.atanh, -x); |
54 }); | 54 }); |
55 | 55 |
56 | 56 |
57 [Math.sinh, Math.asinh, Math.tanh, Math.atanh].forEach(function(fun) { | 57 [Math.sinh, Math.asinh, Math.tanh, Math.atanh].forEach(function(fun) { |
58 assertEquals("-Infinity", String(1/fun(-0))); | 58 assertEquals("-Infinity", String(1/fun(-0))); |
59 assertEquals("Infinity", String(1/fun(0))); | 59 assertEquals("Infinity", String(1/fun(0))); |
60 }); | 60 }); |
61 | 61 |
62 | 62 |
63 [Math.sinh, Math.asinh, Math.cosh].forEach(function(fun) { | 63 [Math.sinh, Math.asinh].forEach(function(fun) { |
64 assertEquals("-Infinity", String(fun(-Infinity))); | 64 assertEquals("-Infinity", String(fun(-Infinity))); |
65 assertEquals("Infinity", String(fun(Infinity))); | 65 assertEquals("Infinity", String(fun(Infinity))); |
66 assertEquals("-Infinity", String(fun("-Infinity"))); | 66 assertEquals("-Infinity", String(fun("-Infinity"))); |
67 assertEquals("Infinity", String(fun("Infinity"))); | 67 assertEquals("Infinity", String(fun("Infinity"))); |
68 }); | 68 }); |
69 | 69 |
70 | 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 |
71 assertEquals("-Infinity", String(Math.atanh(-1))); | 77 assertEquals("-Infinity", String(Math.atanh(-1))); |
72 assertEquals("Infinity", String(Math.atanh(1))); | 78 assertEquals("Infinity", String(Math.atanh(1))); |
73 | 79 |
74 // Math.atanh(x) is NaN for |x| > 1 and NaN | 80 // Math.atanh(x) is NaN for |x| > 1 and NaN |
75 [1.000000000001, Math.PI, 10000000, 2, Infinity, NaN].forEach(function(x) { | 81 [1.000000000001, Math.PI, 10000000, 2, Infinity, NaN].forEach(function(x) { |
76 assertTrue(isNaN(Math.atanh(-x))); | 82 assertTrue(isNaN(Math.atanh(-x))); |
77 assertTrue(isNaN(Math.atanh(x))); | 83 assertTrue(isNaN(Math.atanh(x))); |
78 }); | 84 }); |
79 | 85 |
80 | 86 |
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123 assertEqualsDelta(-0.5493061443341, Math.atanh(-0.5), 1E-12); | 129 assertEqualsDelta(-0.5493061443341, Math.atanh(-0.5), 1E-12); |
124 assertEqualsDelta(-0.1003353477311, Math.atanh(-0.1), 1E-12); | 130 assertEqualsDelta(-0.1003353477311, Math.atanh(-0.1), 1E-12); |
125 | 131 |
126 [0, 1E-50, 1E-10, 1E10, 1E50, 1E100, 1E150].forEach(function(x) { | 132 [0, 1E-50, 1E-10, 1E10, 1E50, 1E100, 1E150].forEach(function(x) { |
127 assertEqualsDelta(Math.asinh(x), -Math.asinh(-x), 1E-12); | 133 assertEqualsDelta(Math.asinh(x), -Math.asinh(-x), 1E-12); |
128 }); | 134 }); |
129 | 135 |
130 [1-(1E-16), 0, 1E-10, 1E-50].forEach(function(x) { | 136 [1-(1E-16), 0, 1E-10, 1E-50].forEach(function(x) { |
131 assertEqualsDelta(Math.atanh(x), -Math.atanh(-x), 1E-12); | 137 assertEqualsDelta(Math.atanh(x), -Math.atanh(-x), 1E-12); |
132 }); | 138 }); |
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