nan
▍ -1 negative -------
▏ -2 negativer
-▋ 0 zero -----------=-|
-▋ .0 zeroer -----------=-|
-▋-00 zeroest -----------=-|
+▋ 0 zero ------------=|
+▋ .0 zeroer ------------=|
+▋-00 zeroest ------------=|
-█1.5 positive -----------=-|-----------
+█1.5 positive ------------=|-----------