Module:Ups and downs sharpness

Module documentation[view] [edit] [history] [purge]

This module should not be invoked directly; use its corresponding template instead: Template:Ups and downs sharpness.

This module automatically creates a table with the combinations of symbols to notate a given edo using Kite's ups and downs notation.

Introspection summary for Module:Ups and downs sharpness
Functions provided (1) Line Function Params 11 ud_sharpness (invokable) (frame)	Lua modules required (1) Variable Module Functions used utils Module:Utils dependency not used

No function descriptions were provided. The Lua code may have further information.

---

-- unfinished module!
local p = {}
local utils = require("Module:Utils")

-- calculate amount of steps for sharp/flat
local function sharp_n(edo)
	return (7 * math.floor((edo * math.log(3) / math.log(2)) + 0.5)) - (11 * edo) -- mapping of augmented unison
end

-- generate table
function p.ud_sharpness(frame)
	local sharp = sharp_n(frame.args["edo"])
	local tab = "{| class=\"wikitable\"\n|+\n!Step offset\n|'''0'''\n"
	for i = 1, sharp * 2 + 1 do
		if (i % sharp == 0) then
			tab = tab .. "|'''" .. i .. "'''\n"
		else
			tab = tab .. "|" .. i .. "\n"
		end
	end
	tab = tab .. "!Sharp symbol\n"
	return tab
end

return p