This method truncates a float or double number in Ruby programming language.

Ruby - Truncate a number in any digit

# This method truncate a float / double number.
def truncate(number, decimalCases = 2)
    temp = 1.0
    while decimalCases > 0 do
        temp = temp * 10.0
        decimalCases -= 1
    end
    return (number * temp.to_i).floor / temp
end