Module:Rational: Difference between revisions
m Oops |
Add int limit function (prepwork for a separate algorithm) |
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| Line 887: | Line 887: | ||
end | end | ||
return max_factor | return max_factor | ||
end | |||
-- Find integer limit of a ratio | |||
-- For a ratio p/q, this is simply max(p, q) | |||
function p.int_limit(a) | |||
if type(a) == "number" then | |||
a = p.new(a) | |||
end | |||
if a.nan or a.inf or a.zero then | |||
return nil | |||
end | |||
local a_copy = p.copy(a) | |||
local num, den = p.as_pair(a_copy) | |||
return math.max(num, den) | |||
end | end | ||