NaN checks for volume (from arc)

core/src/mindustry/logic/LAssembler.java

@@ -79,6 +79,7 @@ public class LAssembler{
         if(Double.isNaN(value)){
             return putVar(symbol);
         }else{
+            if(Double.isInfinite(value)) value = 0.0;
             //this creates a hidden const variable with the specified value
             return putConst("___" + value, value);
         }