Module:Math: Difference between revisions
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en>Dragons flight (Add support for rounding to specified precsion) |
en>Dragons flight m (fix) |
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| Line 17: | Line 17: | ||
-- Determine order of magnitude |
-- Determine order of magnitude |
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function z.order(frame) |
function z.order(frame) |
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return |
return z._order(tonumber(frame.args[1] or frame.args.x or 0)) |
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end |
end |
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function z._order(x) |
function z._order(x) |
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| Line 111: | Line 111: | ||
local value = tonumber( frame.args[1] or 0 ); |
local value = tonumber( frame.args[1] or 0 ); |
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local precision = tonumber( frame.args[2] or 0 ); |
local precision = tonumber( frame.args[2] or 0 ); |
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local current_precision = |
local current_precision = z._precision( value ); |
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-- If rounding off, truncate extra digits |
-- If rounding off, truncate extra digits |
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| Line 123: | Line 123: | ||
-- Handle cases requiring scientific notation |
-- Handle cases requiring scientific notation |
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order = |
order = z._order( value ); |
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if string.find( formatted_num, 'E', 1, true ) ~= nil or math.abs(order) >= 9 then |
if string.find( formatted_num, 'E', 1, true ) ~= nil or math.abs(order) >= 9 then |
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value = value * math.pow( 10, -order ); |
value = value * math.pow( 10, -order ); |
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