Module:Limits: Difference between revisions
m Bugfix |
mNo edit summary |
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-- multiply the ratio by a power of `equave` so that it lies within [1; equave) | -- multiply the ratio by a power of `equave` so that it lies within [1; equave) | ||
function p.canonical(a, equave) | |||
equave = equave or 2 | equave = equave or 2 | ||
if type(a) == 'number' then | if type(a) == 'number' then | ||
| Line 24: | Line 24: | ||
for m = 1, q, 2 do | for m = 1, q, 2 do | ||
local a = rat.new(n, m) | local a = rat.new(n, m) | ||
a = canonical(a, equave) | a = p.canonical(a, equave) | ||
local key = rat.as_ratio(a) | local key = rat.as_ratio(a) | ||
ratios[key] = a | ratios[key] = a | ||
| Line 55: | Line 55: | ||
local c_approx = approximate(c) | local c_approx = approximate(c) | ||
c = canonical(c, equave) | c = p.canonical(c, equave) | ||
local c_key = rat.as_ratio(c) | local c_key = rat.as_ratio(c) | ||
if ratios[c_key] then | if ratios[c_key] then | ||