instance method

Float#negative?

() -> bool

negative? → true or false

# File tmp/rubies/ruby-4.0.0/numeric.rb, line 416
def negative?
  Primitive.attr! :leaf
  Primitive.cexpr! 'RBOOL(RFLOAT_VALUE(self) < 0.0)'
end

Returns true if self is less than 0, false otherwise.

See also #nan? #next_float #modulo #numerator also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0