public function provideLinearSpace() { return [[2, 3, 5, true, [2, 2.25, 2.5, 2.75, 3]], [2, 10, 5, true, [2, 4, 6, 8, 10]], [2, 10, 5, false, [2, 3.6, 5.2, 6.800000000000001, 8.4]]]; }