update nan display

Author: lord-ruby

big-num/bignumber.lua

@@ -45,6 +45,11 @@ function Big:normalized()
     return self
 end
 
+function Big:isNaN()
+    if not self.m or not self.e then return true end
+    if tostring(self.e) == "nan" or tostring(self.m) == "nan" then return true end
+end
+
 function Big:add(b)
     if type(b) == "number" then b = Big:new(b) end
     local delta = b.e - self.e

big-num/notations/Balatro.lua

@@ -25,6 +25,9 @@ function BalaNotation:format(n, places)
         end
         return string.format(num ~= math.floor(num) and (num >= 100 and "%.0f" or num >= 10 and "%.1f" or "%.2f") or "%.0f", num):reverse():gsub("(%d%d%d)", "%1,"):gsub(",$", ""):reverse()
     end
+    if n.isNaN and n:isNaN() then
+        return "NaN"
+    end
     --The notation here is Hyper-E notation, but with lowercase E.
     if to_big(n:log10()) < to_big(1000000) then
         --1.234e56789