End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Float#negative?

float.negative? → true or false

# File tmp/rubies/ruby-3.2.0/numeric.rb, line 400
def negative?
  Primitive.attr! 'inline'
  Primitive.cexpr! 'RBOOL(RFLOAT_VALUE(self) < 0.0)'
end

Returns true if float is less than 0.

See also #nan? #next_float #modulo #numerator also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0