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7298a38552
sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
174 lines
6.6 KiB
JavaScript
174 lines
6.6 KiB
JavaScript
// Copyright 2010 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax
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// Tests the special cases specified by ES 15.8.2.13
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function test() {
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// Simple sanity check
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assertEquals(4, Math.pow(2, 2));
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assertEquals(2147483648, Math.pow(2, 31));
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assertEquals(0.25, Math.pow(2, -2));
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assertEquals(0.0625, Math.pow(2, -4));
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assertEquals(1, Math.pow(1, 100));
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assertEquals(0, Math.pow(0, 1000));
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// Spec tests
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assertEquals(NaN, Math.pow(2, NaN));
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assertEquals(NaN, Math.pow(+0, NaN));
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assertEquals(NaN, Math.pow(-0, NaN));
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assertEquals(NaN, Math.pow(Infinity, NaN));
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assertEquals(NaN, Math.pow(-Infinity, NaN));
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assertEquals(1, Math.pow(NaN, +0));
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assertEquals(1, Math.pow(NaN, -0));
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assertEquals(NaN, Math.pow(NaN, NaN));
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assertEquals(NaN, Math.pow(NaN, 2.2));
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assertEquals(NaN, Math.pow(NaN, 1));
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assertEquals(NaN, Math.pow(NaN, -1));
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assertEquals(NaN, Math.pow(NaN, -2.2));
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assertEquals(NaN, Math.pow(NaN, Infinity));
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assertEquals(NaN, Math.pow(NaN, -Infinity));
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assertEquals(Infinity, Math.pow(1.1, Infinity));
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assertEquals(Infinity, Math.pow(-1.1, Infinity));
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assertEquals(Infinity, Math.pow(2, Infinity));
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assertEquals(Infinity, Math.pow(-2, Infinity));
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// Because +0 == -0, we need to compare 1/{+,-}0 to {+,-}Infinity
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assertEquals(+Infinity, 1/Math.pow(1.1, -Infinity));
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assertEquals(+Infinity, 1/Math.pow(-1.1, -Infinity));
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assertEquals(+Infinity, 1/Math.pow(2, -Infinity));
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assertEquals(+Infinity, 1/Math.pow(-2, -Infinity));
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assertEquals(NaN, Math.pow(1, Infinity));
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assertEquals(NaN, Math.pow(1, -Infinity));
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assertEquals(NaN, Math.pow(-1, Infinity));
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assertEquals(NaN, Math.pow(-1, -Infinity));
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assertEquals(+0, Math.pow(0.1, Infinity));
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assertEquals(+0, Math.pow(-0.1, Infinity));
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assertEquals(+0, Math.pow(0.999, Infinity));
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assertEquals(+0, Math.pow(-0.999, Infinity));
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assertEquals(Infinity, Math.pow(0.1, -Infinity));
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assertEquals(Infinity, Math.pow(-0.1, -Infinity));
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assertEquals(Infinity, Math.pow(0.999, -Infinity));
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assertEquals(Infinity, Math.pow(-0.999, -Infinity));
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assertEquals(Infinity, Math.pow(Infinity, 0.1));
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assertEquals(Infinity, Math.pow(Infinity, 2));
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assertEquals(+Infinity, 1/Math.pow(Infinity, -0.1));
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assertEquals(+Infinity, 1/Math.pow(Infinity, -2));
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assertEquals(-Infinity, Math.pow(-Infinity, 3));
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assertEquals(-Infinity, Math.pow(-Infinity, 13));
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assertEquals(Infinity, Math.pow(-Infinity, 3.1));
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assertEquals(Infinity, Math.pow(-Infinity, 2));
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assertEquals(-Infinity, 1/Math.pow(-Infinity, -3));
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assertEquals(-Infinity, 1/Math.pow(-Infinity, -13));
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assertEquals(+Infinity, 1/Math.pow(-Infinity, -3.1));
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assertEquals(+Infinity, 1/Math.pow(-Infinity, -2));
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assertEquals(+Infinity, 1/Math.pow(+0, 1.1));
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assertEquals(+Infinity, 1/Math.pow(+0, 2));
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assertEquals(Infinity, Math.pow(+0, -1.1));
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assertEquals(Infinity, Math.pow(+0, -2));
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assertEquals(-Infinity, 1/Math.pow(-0, 3));
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assertEquals(-Infinity, 1/Math.pow(-0, 13));
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assertEquals(+Infinity, 1/Math.pow(-0, 3.1));
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assertEquals(+Infinity, 1/Math.pow(-0, 2));
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assertEquals(-Infinity, Math.pow(-0, -3));
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assertEquals(-Infinity, Math.pow(-0, -13));
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assertEquals(Infinity, Math.pow(-0, -3.1));
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assertEquals(Infinity, Math.pow(-0, -2));
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assertEquals(NaN, Math.pow(-0.00001, 1.1));
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assertEquals(NaN, Math.pow(-0.00001, -1.1));
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assertEquals(NaN, Math.pow(-1.1, 1.1));
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assertEquals(NaN, Math.pow(-1.1, -1.1));
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assertEquals(NaN, Math.pow(-2, 1.1));
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assertEquals(NaN, Math.pow(-2, -1.1));
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assertEquals(NaN, Math.pow(-1000, 1.1));
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assertEquals(NaN, Math.pow(-1000, -1.1));
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assertEquals(+Infinity, 1/Math.pow(-0, 0.5));
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assertEquals(+Infinity, 1/Math.pow(-0, 0.6));
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assertEquals(-Infinity, 1/Math.pow(-0, 1));
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assertEquals(-Infinity, 1/Math.pow(-0, 10000000001));
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assertEquals(+Infinity, Math.pow(-0, -0.5));
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assertEquals(+Infinity, Math.pow(-0, -0.6));
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assertEquals(-Infinity, Math.pow(-0, -1));
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assertEquals(-Infinity, Math.pow(-0, -10000000001));
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assertEquals(4, Math.pow(16, 0.5));
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assertEquals(NaN, Math.pow(-16, 0.5));
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assertEquals(0.25, Math.pow(16, -0.5));
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assertEquals(NaN, Math.pow(-16, -0.5));
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// Test detecting and converting integer value as double.
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assertEquals(8, Math.pow(2, Math.sqrt(9)));
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// Tests from Mozilla 15.8.2.13.
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assertEquals(2, Math.pow.length);
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assertEquals(NaN, Math.pow());
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assertEquals(1, Math.pow(null, null));
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assertEquals(NaN, Math.pow(void 0, void 0));
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assertEquals(1, Math.pow(true, false));
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assertEquals(0, Math.pow(false, true));
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assertEquals(Infinity, Math.pow(-Infinity, Infinity));
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assertEquals(0, Math.pow(-Infinity, -Infinity));
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assertEquals(1, Math.pow(0, 0));
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assertEquals(0, Math.pow(0, Infinity));
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assertEquals(NaN, Math.pow(NaN, 0.5));
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assertEquals(NaN, Math.pow(NaN, -0.5));
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// Tests from Sputnik S8.5_A13_T1.
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assertTrue(
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(1*((Math.pow(2,53))-1)*(Math.pow(2,-1074))) === 4.4501477170144023e-308);
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assertTrue(
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(1*(Math.pow(2,52))*(Math.pow(2,-1074))) === 2.2250738585072014e-308);
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assertTrue(
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(-1*(Math.pow(2,52))*(Math.pow(2,-1074))) === -2.2250738585072014e-308);
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}
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test();
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test();
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%OptimizeFunctionOnNextCall(test);
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test();
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