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Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →

instance method

Complex#finite?

() -> bool
finite? → true or false

Returns true if both self.real.finite? and self.imag.finite? are true, false otherwise:

Example
Complex.rect(1, 1).finite?               # => true
Complex.rect(Float::INFINITY, 0).finite? # => false

Related: Numeric#finite?, Float#finite?.

See also #fdiv #hash #denominator #imag also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0