#!/usr/bin/ruby

#
## http://rosettacode.org/wiki/Roots_of_unity#Sidef
#

func roots_of_unity (n) {
    n.of { |j|
        exp(2.i * Complex.pi / n * (j-1))
    }
}

roots_of_unity(5).each { |c|
    printf("%+.5f%+.5fi\n", c.reals);
}
