Module:Math: Difference between revisions
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en>Dragons flight (Adds comments, slight reordering of functions.) |
en>Dragons flight (add average) |
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Line 187: | Line 187: | ||
return min_value |
return min_value |
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end |
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--[[ |
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average |
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Finds the average |
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Usage: |
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{{#invoke:Math| average | value1 | value2 | ... }} |
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OR |
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{{#invoke:Math| average }} |
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When used with no arguments, it takes its input from the parent |
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frame. Note, any values that do not evaluate to numbers are ignored. |
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]] |
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function z.average( frame ) |
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local args = frame.args; |
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if args[1] == nil then |
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local parent = frame:getParent(); |
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args = parent.args; |
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end |
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local sum = 0; |
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local count = 0; |
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local i = 1; |
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while args[i] ~= nil do |
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local val = z._cleanNumber( frame, args[i] ); |
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if val ~= nil then |
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sum = sum + val |
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count = count + 1 |
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end |
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i = i + 1; |
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end |
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return (count == 0 and 0 or sum/count) |
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end |
end |
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