Engel expansion: Difference between revisions
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m (→{{header|J}}) |
Thundergnat (talk | contribs) m (→{{header|Raku}}: remove some intermediate variables, slightly more compact) |
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=={{header|Raku}}== |
=={{header|Raku}}== |
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<lang perl6>sub to-engel ( |
<lang perl6>sub to-engel ($rat is copy) { do while $rat { my $a = ceiling 1 / $rat; $rat = $rat × $a - 1; $a } } |
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my $u = $rat; |
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do while $u { my $a = ceiling 1 / $u; $u = $u × $a - 1; $a } |
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} |
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sub from-engel (@expanded) { sum [\×] @expanded.map: { FatRat.new: 1, $_ } } |
sub from-engel (@expanded) { sum [\×] @expanded.map: { FatRat.new: 1, $_ } } |
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for flat |
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3.14159265358979, 2.71828182845904, 1.414213562373095, 1.5 ** 5, |
3.14159265358979, 2.71828182845904, 1.414213562373095, 1.5 ** 5, |
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