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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_T5.js |
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8 * @description Multiplication of an infinity by a finite non-zero value results in a signed infinity |
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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 * -1 !== Number.POSITIVE_INFINITY) { |
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13 $ERROR('#1: -Infinity * -1 === Infinity. Actual: ' + (-Infinity * -1)); |
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14 } |
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15 |
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16 //CHECK#2 |
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17 if (-1 * Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY) { |
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18 $ERROR('#2: -1 * -Infinity === Infinity. Actual: ' + (-1 * -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.POSITIVE_INFINITY * -1 !== Number.NEGATIVE_INFINITY) { |
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23 $ERROR('#3: Infinity * -1 === -Infinity. Actual: ' + (Infinity * -1)); |
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24 } |
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25 |
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26 //CHECK#4 |
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27 if (-1 * Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY) { |
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28 $ERROR('#4: -1 * Infinity === -Infinity. Actual: ' + (-1 * Infinity)); |
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29 } |
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30 |
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31 //CHECK#5 |
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32 if (Number.POSITIVE_INFINITY * Number.MAX_VALUE !== Number.POSITIVE_INFINITY) { |
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33 $ERROR('#5: Infinity * Number.MAX_VALUE === Infinity. Actual: ' + (Infinity * Number.MAX_VALUE)); |
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34 } |
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35 |
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36 //CHECK#6 |
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37 if (Number.POSITIVE_INFINITY * Number.MAX_VALUE !== Number.MAX_VALUE * Number.POSITIVE_INFINITY) { |
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38 $ERROR('#6: Infinity * Number.MAX_VALUE === Number.MAX_VALUE * Infinity. Actual: ' + (Infinity * Number.MAX_VALUE)); |
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39 } |
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40 |
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41 //CHECK#7 |
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42 if (Number.NEGATIVE_INFINITY * Number.MIN_VALUE !== Number.NEGATIVE_INFINITY) { |
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43 $ERROR('#7: -Infinity * Number.MIN_VALUE === -Infinity. Actual: ' + (-Infinity * Number.MIN_VALUE)); |
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44 } |
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45 |
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46 //CHECK#8 |
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47 if (Number.NEGATIVE_INFINITY * Number.MIN_VALUE !== Number.MIN_VALUE * Number.NEGATIVE_INFINITY) { |
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48 $ERROR('#8: -Infinity * Number.MIN_VALUE === Number.MIN_VALUE * -Infinity. Actual: ' + (-Infinity * Number.MIN_VALUE)); |
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49 } |
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50 |