Module:Math: Difference between revisions
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en.wiki>Primefac fix calculation |
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if max_value then |
if max_value then |
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return max_value |
return max_value |
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end |
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end |
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--[[ |
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median |
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Find the median of set of numbers |
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Usage: |
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{{#invoke:Math | median | number1 | number2 | ...}} |
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OR |
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{{#invoke:Math | median }} |
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]] |
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function wrap.median(args) |
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return p._median(unpackNumberArgs(args)) |
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end |
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function p._median(...) |
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local vals = makeArgArray(...) |
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local count = #vals |
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table.sort(vals) |
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if count == 0 then |
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return 0 |
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end |
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if p._mod(count, 2) == 0 then |
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return (vals[count/2] + vals[count/2+1])/2 |
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else |
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return vals[math.ceil(count/2)] |
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end |
end |
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end |
end |
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| Line 244: | Line 275: | ||
if min_value then |
if min_value then |
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return min_value |
return min_value |
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end |
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end |
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--[[ |
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sum |
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Finds the sum |
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Usage: |
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{{#invoke:Math| sum | value1 | value2 | ... }} |
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OR |
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{{#invoke:Math| sum }} |
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Note, any values that do not evaluate to numbers are ignored. |
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]] |
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function wrap.sum(args) |
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return p._sum(unpackNumberArgs(args)) |
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end |
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function p._sum(...) |
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local sums, count = fold((function(a, b) return a + b end), ...) |
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if not sums then |
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return 0 |
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else |
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return sums |
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end |
end |
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end |
end |
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| Line 296: | Line 353: | ||
local rescale = math.pow(10, precision or 0); |
local rescale = math.pow(10, precision or 0); |
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return math.floor(value * rescale + 0.5) / rescale; |
return math.floor(value * rescale + 0.5) / rescale; |
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end |
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--[[ |
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log10 |
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returns the log (base 10) of a number |
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Usage: |
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{{#invoke:Math | log10 | x }} |
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]] |
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function wrap.log10(args) |
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return math.log10(args[1]) |
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end |
end |
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