     assert Float.round(5.5e-10, 10) === 5.0e-10
     assert Float.round(5.5e-10, 8) === 0.0
     assert Float.round(5.0, 0) === 5.0
-    assert_raise ArgumentError, "precision 16 is out of valid range of 0..15" , fn ->
+
+    assert_raise ArgumentError, "precision 16 is out of valid range of 0..15", fn ->
       Float.round(1.1, 16)
     end
   end

    assert Float.floor(7.5e3) === 7500.0
    assert Float.floor(7.5432e3) === 7543.0
    assert Float.floor(7.5e-3) === 0.0
    assert Float.floor(-12.32453e4) === -123246.0
    assert Float.floor(-12.32453e-10) === -1.0
    assert Float.floor(0.32453e-10) === 0.0
    assert Float.floor(-0.32453e-10) === -1.0

    assert Float.ceil(7.5e3) === 7500.0
    assert Float.ceil(7.5432e3) === 7544.0
    assert Float.ceil(7.5e-3) === 1.0
    assert Float.ceil(-12.32453e4) === -123_245.0
    assert Float.ceil(-12.32453e-10) === 0.0
    assert Float.ceil(0.32453e-10) === 1.0
    assert Float.ceil(-0.32453e-10) === 0.0
