Method: CMath.log2

Defined in:
lib/cmath.rb

.log2(z) ⇒ Object

Returns the base 2 logarithm of z

CMath.log2(-1) => (0.0+4.532360141827194i)



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# File 'lib/cmath.rb', line 98

def log2(z)
  begin
    if z.real? and z >= 0
      RealMath.log2(z)
    else
      log(z) / RealMath.log(2)
    end
  rescue NoMethodError
    handle_no_method_error
  end
end