| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Flags: --harmony-maths |
| |
| [Math.sinh, Math.cosh, Math.tanh, Math.asinh, Math.acosh, Math.atanh]. |
| forEach(function(fun) { |
| assertTrue(isNaN(fun(NaN))); |
| assertTrue(isNaN(fun("abc"))); |
| assertTrue(isNaN(fun({}))); |
| assertEquals(fun(0), fun([])); |
| assertTrue(isNaN(fun([1, 1]))); |
| assertEquals(fun(1.11), fun({ toString: function() { return "1.11"; } })); |
| assertEquals(fun(-3.1), fun({ toString: function() { return -3.1; } })); |
| assertEquals(fun(-1.1), fun({ valueOf: function() { return "-1.1"; } })); |
| assertEquals(fun(3.11), fun({ valueOf: function() { return 3.11; } })); |
| }); |
| |
| |
| function test_id(fun, rev, value) { |
| assertEqualsDelta(1, rev(fun(value))/value, 1E-7); |
| } |
| |
| [Math.PI, 2, 5, 1E-5, 0.3].forEach(function(x) { |
| test_id(Math.sinh, Math.asinh, x); |
| test_id(Math.sinh, Math.asinh, -x); |
| test_id(Math.cosh, Math.acosh, x); |
| test_id(Math.tanh, Math.atanh, x); |
| test_id(Math.tanh, Math.atanh, -x); |
| }); |
| |
| |
| [Math.sinh, Math.asinh, Math.tanh, Math.atanh].forEach(function(fun) { |
| assertEquals("-Infinity", String(1/fun(-0))); |
| assertEquals("Infinity", String(1/fun(0))); |
| }); |
| |
| |
| [Math.sinh, Math.asinh].forEach(function(fun) { |
| assertEquals("-Infinity", String(fun(-Infinity))); |
| assertEquals("Infinity", String(fun(Infinity))); |
| assertEquals("-Infinity", String(fun("-Infinity"))); |
| assertEquals("Infinity", String(fun("Infinity"))); |
| }); |
| |
| |
| assertEquals("Infinity", String(Math.cosh(-Infinity))); |
| assertEquals("Infinity", String(Math.cosh(Infinity))); |
| assertEquals("Infinity", String(Math.cosh("-Infinity"))); |
| assertEquals("Infinity", String(Math.cosh("Infinity"))); |
| |
| |
| assertEquals("-Infinity", String(Math.atanh(-1))); |
| assertEquals("Infinity", String(Math.atanh(1))); |
| |
| // Math.atanh(x) is NaN for |x| > 1 and NaN |
| [1.000000000001, Math.PI, 10000000, 2, Infinity, NaN].forEach(function(x) { |
| assertTrue(isNaN(Math.atanh(-x))); |
| assertTrue(isNaN(Math.atanh(x))); |
| }); |
| |
| |
| assertEquals(1, Math.tanh(Infinity)); |
| assertEquals(-1, Math.tanh(-Infinity)); |
| assertEquals(1, Math.cosh(0)); |
| assertEquals(1, Math.cosh(-0)); |
| |
| assertEquals(0, Math.acosh(1)); |
| assertEquals("Infinity", String(Math.acosh(Infinity))); |
| |
| // Math.acosh(x) is NaN for x < 1 |
| [0.99999999999, 0.2, -1000, 0, -0].forEach(function(x) { |
| assertTrue(isNaN(Math.acosh(x))); |
| }); |
| |
| |
| // Some random samples. |
| assertEqualsDelta(0.5210953054937, Math.sinh(0.5), 1E-12); |
| assertEqualsDelta(74.203210577788, Math.sinh(5), 1E-12); |
| assertEqualsDelta(-0.5210953054937, Math.sinh(-0.5), 1E-12); |
| assertEqualsDelta(-74.203210577788, Math.sinh(-5), 1E-12); |
| |
| assertEqualsDelta(1.1276259652063, Math.cosh(0.5), 1E-12); |
| assertEqualsDelta(74.209948524787, Math.cosh(5), 1E-12); |
| assertEqualsDelta(1.1276259652063, Math.cosh(-0.5), 1E-12); |
| assertEqualsDelta(74.209948524787, Math.cosh(-5), 1E-12); |
| |
| assertEqualsDelta(0.4621171572600, Math.tanh(0.5), 1E-12); |
| assertEqualsDelta(0.9999092042625, Math.tanh(5), 1E-12); |
| assertEqualsDelta(-0.4621171572600, Math.tanh(-0.5), 1E-12); |
| assertEqualsDelta(-0.9999092042625, Math.tanh(-5), 1E-12); |
| |
| assertEqualsDelta(0.4812118250596, Math.asinh(0.5), 1E-12); |
| assertEqualsDelta(2.3124383412727, Math.asinh(5), 1E-12); |
| assertEqualsDelta(-0.4812118250596, Math.asinh(-0.5), 1E-12); |
| assertEqualsDelta(-2.3124383412727, Math.asinh(-5), 1E-12); |
| |
| assertEqualsDelta(0.9624236501192, Math.acosh(1.5), 1E-12); |
| assertEqualsDelta(2.2924316695612, Math.acosh(5), 1E-12); |
| assertEqualsDelta(0.4435682543851, Math.acosh(1.1), 1E-12); |
| assertEqualsDelta(1.3169578969248, Math.acosh(2), 1E-12); |
| |
| assertEqualsDelta(0.5493061443341, Math.atanh(0.5), 1E-12); |
| assertEqualsDelta(0.1003353477311, Math.atanh(0.1), 1E-12); |
| assertEqualsDelta(-0.5493061443341, Math.atanh(-0.5), 1E-12); |
| assertEqualsDelta(-0.1003353477311, Math.atanh(-0.1), 1E-12); |
| |
| [0, 1E-50, 1E-10, 1E10, 1E50, 1E100, 1E150].forEach(function(x) { |
| assertEqualsDelta(Math.asinh(x), -Math.asinh(-x), 1E-12); |
| }); |
| |
| [1-(1E-16), 0, 1E-10, 1E-50].forEach(function(x) { |
| assertEqualsDelta(Math.atanh(x), -Math.atanh(-x), 1E-12); |
| }); |