getVolume(), 0.1); self::assertEqualsWithDelta(113.1, $sphere->getSurface(), 0.1); self::assertEqualsWithDelta(422740, Sphere::distance2PointsOnSphere(32.9697, -96.80322, 29.46786, -98.53506), 50); } public function testGetBy() : void { $sphere = Sphere::byRadius(3); self::assertEqualsWithDelta(3, $sphere->getRadius(), 0.1); $sphere = Sphere::byVolume(4); self::assertEqualsWithDelta(4, $sphere->getVolume(), 0.1); $sphere = Sphere::bySurface(5); self::assertEqualsWithDelta(5, $sphere->getSurface(), 0.1); } }