End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Float#abs

float.abs → float

float.magnitude → float

# File tmp/rubies/ruby-3.1.3/numeric.rb, line 278
def abs
  Primitive.attr! 'inline'
  Primitive.cexpr! 'rb_float_abs(self)'
end

Returns the absolute value of float.

Example

(-34.56).abs   #=> 34.56
-34.56.abs     #=> 34.56
34.56.abs      #=> 34.56

See also #>= #angle #> #arg also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0