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1 // Copyright 2009 the Sputnik authors. All rights reserved. |
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2 // This code is governed by the BSD license found in the LICENSE file. |
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3 |
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4 /** |
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5 * The result of a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics |
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6 * |
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7 * @path ch11/11.5/11.5.1/S11.5.1_A4_T4.js |
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8 * @description Multiplication of an infinity by an infinity results in an infinity of appropriate sign |
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9 */ |
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10 |
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11 //CHECK#1 |
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12 if (Number.NEGATIVE_INFINITY * Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY) { |
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13 $ERROR('#1: -Infinity * -Infinity === Infinity. Actual: ' + (-Infinity * -Infinity)); |
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14 } |
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15 |
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16 //CHECK#2 |
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17 if (Number.POSITIVE_INFINITY * Number.POSITIVE_INFINITY !== Number.POSITIVE_INFINITY) { |
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18 $ERROR('#2: Infinity * Infinity === Infinity. Actual: ' + (Infinity * Infinity)); |
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19 } |
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20 |
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21 //CHECK#3 |
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22 if (Number.NEGATIVE_INFINITY * Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY) { |
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23 $ERROR('#3: -Infinity * Infinity === -Infinity. Actual: ' + (-Infinity * Infinity)); |
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24 } |
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25 |
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26 //CHECK#4 |
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27 if (Number.POSITIVE_INFINITY * Number.NEGATIVE_INFINITY !== Number.NEGATIVE_INFINITY) { |
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28 $ERROR('#4: Infinity * -Infinity === -Infinity. Actual: ' + (Infinity * -Infinity)); |
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29 } |
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30 |