Skip to content

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

instance method

Numeric#infinite?

num.infinite? → -1, 1, or nil

Returns nil, -1, or 1 depending on whether the value is finite, -Infinity, or +Infinity.

See also #imaginary #integer? #imag #magnitude also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0