Exponentiation operator: Difference between revisions
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(Realize in F#) |
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</pre> |
</pre> |
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=={{header|F_Sharp|F#}}== |
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<lang fsharp> |
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//Integer Exponentiation, more interesting anyway than repeated multiplication. Nigel Galloway, October 12th., 2018 |
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let rec myExp n g=match g with |
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|0 ->1 |
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|g when g%2=1 ->n*(myExp n (g-1)) |
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|_ ->let p=myExp n (g/2) in p*p |
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printfn "%d" (myExp 3 15) |
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</lang> |
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{{out}} |
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<pre> |
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14348907 |
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</pre> |
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=={{header|Factor}}== |
=={{header|Factor}}== |
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Simple, unoptimized implementation which accepts a positive or negative exponent: |
Simple, unoptimized implementation which accepts a positive or negative exponent: |
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] until |
] until |
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drop * ;</lang> |
drop * ;</lang> |
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=={{header|Forth}}== |
=={{header|Forth}}== |
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<lang forth>: ** ( n m -- n^m ) |
<lang forth>: ** ( n m -- n^m ) |
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