### - o -

- offset() : FenwickTree
- on_segment() : SegmentIntersection
- operator*() : Complex
- operator*=() : large_number
- operator+() : Complex
- operator++() : large_number
- operator+=() : large_number
- operator-() : Complex
- operator/() : Complex
- operator=() : Complex , large_number , machine_learning::neural_network::layers::DenseLayer , machine_learning::neural_network::NeuralNetwork , stack< Type >
- operator[]() : large_number
- operator~() : Complex
- orientation() : geometry::jarvis::Convexhull