Method: Numeric#signum

Defined in:

lib/nuggets/numeric/signum.rb

#signum ⇒ Object Also known as: sign, sgn

call-seq:

num.signum => -1, 0, 1

Returns the sign of num.

# File 'lib/nuggets/numeric/signum.rb', line 46

def signum
  positive? ? 1 : negative? ? -1 : 0
end