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