instance method

Float#-@

() -> ::Float

-self → float

# File tmp/rubies/ruby-4.0.0/numeric.rb, line 389
def -@
  Primitive.attr! :leaf
  Primitive.cexpr! 'rb_float_uminus(self)'
end

Returns self, negated:

Example

-3.14    # => -3.14
-(-3.14) # => 3.14
-0.0     # => -0.0

See also #- #/ #+ #< also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0