require "complex"
local fmt = require "fmt"

local x = new complex(1, 3)
local y = new complex(5, 2)

fmt.print("x     = %s", x)
fmt.print("y     = %s", y)
fmt.print("x + y = %s", x + y)
fmt.print("x - y = %s", x - y)
fmt.print("x * y = %s", x * y)
fmt.print("x / y = %s", x / y)
fmt.print("-x    = %s", -x)
fmt.print("1 / x = %s", x:inverse())
fmt.print("x*    = %s", x:conj())