Bernoulli numbers: Difference between revisions
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Thundergnat (talk | contribs) m (Automated syntax highlighting fixup (second round - minor fixes)) |
Thundergnat (talk | contribs) m (→{{header|Raku}}: oops) |
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First, a straighforward implementation of the naïve algorithm in the task description. |
First, a straighforward implementation of the naïve algorithm in the task description. |
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{{works with|Rakudo|2015.12}} |
{{works with|Rakudo|2015.12}} |
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<syntaxhighlight lang="raku line |
<syntaxhighlight lang="raku" line>sub bernoulli($n) { |
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my @a; |
my @a; |
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for 0..$n -> $m { |
for 0..$n -> $m { |
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{{works with|Rakudo|2015.12}} |
{{works with|Rakudo|2015.12}} |
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<syntaxhighlight lang="raku line |
<syntaxhighlight lang="raku" line>constant bernoulli = gather { |
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my @a; |
my @a; |
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for 0..* -> $m { |
for 0..* -> $m { |
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{{works with|Rakudo|2016.12}} |
{{works with|Rakudo|2016.12}} |
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<syntaxhighlight lang="raku line |
<syntaxhighlight lang="raku" line>sub infix:<bop>(\prev, \this) { |
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this.key => this.key * (this.value - prev.value) |
this.key => this.key * (this.value - prev.value) |
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} |
} |
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Same output as memoization example |
Same output as memoization example |
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=={{header|REXX}}== |
=={{header|REXX}}== |
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The double sum formula used is number '''(33)''' from the entry [http://mathworld.wolfram.com/BernoulliNumber.html Bernoulli number] on Wolfram MathWorld<sup>TM</sup>. |
The double sum formula used is number '''(33)''' from the entry [http://mathworld.wolfram.com/BernoulliNumber.html Bernoulli number] on Wolfram MathWorld<sup>TM</sup>. |
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