#!/usr/bin/ruby

#
## http://rosettacode.org/wiki/Decimal_floating_point_number_to_binary
#

func dec2bin(String n) {
    Num(Num(n, 10).base(2), 10)
}

func bin2dec(String n) {
    Num(Num(n, 10).base(10), 2)
}

with("23.34375")   { |s| say ("  #{s} => ", dec2bin(s)) }
with("1011.11101") { |s| say (  "#{s} => ", bin2dec(s)) }

assert_eq(dec2bin("23.34375"), 10111.01011.float)
assert_eq(bin2dec("1011.11101"), 11.90625.float)
