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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 division is determined by the specification of IEEE 754 arithmetics |
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6 * |
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7 * @path ch11/11.5/11.5.2/S11.5.2_A4_T8.js |
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8 * @description Division of a zero by any non-zero finite value -0 results in zero 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 (-0 / 1 !== -0) { |
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13 $ERROR('#1.1: -0 / 1 === 0. Actual: ' + (-0 / 1)); |
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14 } else { |
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15 if (1 / (-0 / 1) !== Number.NEGATIVE_INFINITY) { |
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16 $ERROR('#1.2: -0 / 1 === - 0. Actual: +0'); |
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17 } |
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18 } |
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19 |
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20 //CHECK#2 |
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21 if (-0 / -1 !== +0) { |
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22 $ERROR('#2.1: -0 / -1 === 0. Actual: ' + (-0 / -1)); |
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23 } else { |
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24 if (1 / (-0 / -1) !== Number.POSITIVE_INFINITY) { |
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25 $ERROR('#2.2: -0 / -1 === + 0. Actual: -0'); |
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26 } |
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27 } |
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28 |
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29 //CHECK#3 |
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30 if (+0 / 1 !== +0) { |
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31 $ERROR('#3.1: +0 / 1 === 0. Actual: ' + (+0 / 1)); |
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32 } else { |
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33 if (1 / (+0 / -1) !== Number.NEGATIVE_INFINITY) { |
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34 $ERROR('#3.2: +0 / -1 === + 0. Actual: -0'); |
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35 } |
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36 } |
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37 |
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38 //CHECK#4 |
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39 if (+0 / -1 !== -0) { |
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40 $ERROR('#4.1: +0 / -1 === 0. Actual: ' + (+0 / -1)); |
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41 } else { |
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42 if (1 / (+0 / -1) !== Number.NEGATIVE_INFINITY) { |
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43 $ERROR('#4.2: +0 / -1 === - 0. Actual: +0'); |
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44 } |
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45 } |
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46 |
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47 //CHECK#5 |
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48 if (+0 / -Number.MAX_VALUE !== -0) { |
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49 $ERROR('#5.1: 0 / -Number.MAX_VALUE === 0. Actual: ' + (0 / -Number.MAX_VALUE)); |
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50 } else { |
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51 if (1 / (+0 / -Number.MAX_VALUE) !== Number.NEGATIVE_INFINITY) { |
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52 $ERROR('#5.2: +0 / -Number.MAX_VALUE === - 0. Actual: +0'); |
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53 } |
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54 } |
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55 |
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56 //CHECK#6 |
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57 if (-0 / Number.MIN_VALUE !== -0) { |
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58 $ERROR('#6.1: -0 / Number.MIN_VALUE === 0. Actual: ' + (-0 / Number.MIN_VALUE)); |
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59 } else { |
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60 if (1 / (-0 / Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) { |
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61 $ERROR('#6.2: -0 / Number.MIN_VALUE === - 0. Actual: +0'); |
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62 } |
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63 } |
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64 |