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