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1 <!DOCTYPE html> |
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2 <head> |
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3 <!-- |
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4 Copyright (C) 2007 Apple Inc. All rights reserved. |
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5 |
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6 Redistribution and use in source and binary forms, with or without |
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7 modification, are permitted provided that the following conditions |
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8 are met: |
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9 1. Redistributions of source code must retain the above copyright |
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10 notice, this list of conditions and the following disclaimer. |
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11 2. Redistributions in binary form must reproduce the above copyright |
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12 notice, this list of conditions and the following disclaimer in the |
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13 documentation and/or other materials provided with the distribution. |
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14 |
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15 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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16 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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18 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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19 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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26 --> |
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27 |
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28 <title>SunSpider controlflow-recursive</title> |
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29 |
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30 </head> |
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31 |
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32 <body> |
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33 <h3>controlflow-recursive</h3> |
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34 <div id="console"> |
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35 </div> |
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36 |
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37 <script> |
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38 |
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39 var _sunSpiderStartDate = new Date(); |
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40 |
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41 // The Computer Language Shootout |
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42 // http://shootout.alioth.debian.org/ |
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43 // contributed by Isaac Gouy |
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44 |
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45 function ack(m,n){ |
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46 if (m==0) { return n+1; } |
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47 if (n==0) { return ack(m-1,1); } |
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48 return ack(m-1, ack(m,n-1) ); |
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49 } |
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50 |
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51 function fib(n) { |
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52 if (n < 2){ return 1; } |
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53 return fib(n-2) + fib(n-1); |
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54 } |
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55 |
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56 function tak(x,y,z) { |
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57 if (y >= x) return z; |
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58 return tak(tak(x-1,y,z), tak(y-1,z,x), tak(z-1,x,y)); |
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59 } |
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60 |
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61 for ( var i = 3; i <= 5; i++ ) { |
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62 ack(3,i); |
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63 fib(17.0+i); |
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64 tak(3*i+3,2*i+2,i+1); |
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65 } |
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66 |
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67 |
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68 var _sunSpiderInterval = new Date() - _sunSpiderStartDate; |
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69 |
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70 document.getElementById("console").innerHTML = _sunSpiderInterval; |
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71 </script> |
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72 |
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73 |
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74 </body> |
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75 </html> |