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- #!/usr/bin/ruby
- #
- ## https://rosettacode.org/wiki/Price_fraction
- #
- var table = <<'EOT'.lines.map { .words.grep{.looks_like_number}.map{.to_num} };
- >= 0.00 < 0.06 := 0.10
- >= 0.06 < 0.11 := 0.18
- >= 0.11 < 0.16 := 0.26
- >= 0.16 < 0.21 := 0.32
- >= 0.21 < 0.26 := 0.38
- >= 0.26 < 0.31 := 0.44
- >= 0.31 < 0.36 := 0.50
- >= 0.36 < 0.41 := 0.54
- >= 0.41 < 0.46 := 0.58
- >= 0.46 < 0.51 := 0.62
- >= 0.51 < 0.56 := 0.66
- >= 0.56 < 0.61 := 0.70
- >= 0.61 < 0.66 := 0.74
- >= 0.66 < 0.71 := 0.78
- >= 0.71 < 0.76 := 0.82
- >= 0.76 < 0.81 := 0.86
- >= 0.81 < 0.86 := 0.90
- >= 0.86 < 0.91 := 0.94
- >= 0.91 < 0.96 := 0.98
- >= 0.96 < 1.01 := 1.00
- EOT
- func price(money) {
- table.each { |row|
- (row[0] <= money) ->
- && (row[1] > money) ->
- && return row[2];
- }
- die "Out of range";
- }
- %n(0.3793 0.4425 0.0746 0.6918 0.2993 0.5486 0.7848 0.9383 0.2292).each { |n|
- say price(n);
- }
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