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Arithmetic/Complex: Difference between revisions
→{{header|Lua}}
Line 994:
__div = function(u, v) return u * complex(v.real / v.norm, -v.imag / v.norm) end,
__unm = function(u) return complex(-u.real, -u.imag) end,
__concat = function(u, v)
elseif type(u) == "string" or type(u) == "number" then return u .. v.real .. " + " .. v.imag .. "i"
end end,
__index = function(u, index)
local operations = {
norm = function(u) return u.real ^ 2 + u.imag ^ 2 end,
conj = function(u) return complex(u.real, -u.imag) end,
▲ strg = function(u) return u.real .. " + " .. u.imag .. "i" end
}
return operations[index] and operations[index](u)
Line 1,009 ⟶ 1,012:
local i, j = complex(2, 3), complex(1, 1)
print(i
print(i
print(i
print(i
print("|" .. i
print(i
</lang>
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