Created
November 22, 2013 05:15
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Two different version of fast exponent recursion. Here is the first (the good one).
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| def exp2(base, power) | |
| case power | |
| when 0 | |
| 1 | |
| when 1 | |
| base | |
| else | |
| exp2(base, (power / 2.0).floor) * exp2(base, (power / 2.0).ceil) | |
| end | |
| end |
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