Module:Infobox ET: Difference between revisions
m Refactoring |
m 12edo step size: "by definition" |
||
| Line 52: | Line 52: | ||
end | end | ||
local suffix = tuning:match('%d+(ed.+)') | local suffix = tuning:match('%d+(ed.+)') | ||
local step_size = i._backslash_ratio('1\\' .. tuning) | local step_size = i._backslash_ratio('1\\' .. tuning) | ||
local fifth = approximate(size, equave, 3/2) | local fifth = approximate(size, equave, 3/2) | ||
local fifth_error = i._to_cents(i._backslash_ratio(fifth .. '\\' .. tuning)) - i._to_cents(3/2) | local fifth_error = i._to_cents(i._backslash_ratio(fifth .. '\\' .. tuning)) - i._to_cents(3/2) | ||
local dual_fifth = math.abs(fifth_error) > i._to_cents(step_size) / 3 | local dual_fifth = math.abs(fifth_error) > i._to_cents(step_size) / 3 | ||
local note_12edo = '' | |||
if rat.eq(equave, 2) and size == 12 then | |||
note_12edo = '<sup>by definition</sup>' | |||
end | |||
local octave = approximate(size, equave, 2) | local octave = approximate(size, equave, 2) | ||
| Line 70: | Line 76: | ||
table.insert(infobox_data, { | table.insert(infobox_data, { | ||
'Step size', | 'Step size', | ||
i._to_cents(step_size, 6) .. '¢' | i._to_cents(step_size, 6) .. '¢' .. note_12edo | ||
}) | }) | ||
if not dual_fifth then | if not dual_fifth then | ||