retrofitted arithmetic functions

stdlib/bool.go

@@ -24,6 +24,8 @@ import (
 )
 
 func not(in *ast.Token, vt ast.VarTable, ft ast.FuncTable) *ast.Token {
+    in = in.Eval(ft, vt)
+
     if in.Tag != ast.BOOL {
         log.Log(log.ERR, "non-bool argument to 'not'", "not")
         return nil
@@ -96,10 +98,24 @@ func eq(in *ast.Token, vt ast.VarTable, ft ast.FuncTable) *ast.Token {
                 out = "F"
             }
 
-        case ast.NUMBER, ast.STRING, ast.BOOL:
+        case ast.STRING, ast.BOOL:
             if in.Value() != second.Value() {
                 out = "F"
             }
+
+        case ast.NUMBER:
+            l_val, parse_err := strconv.ParseFloat(in.Value(), 64)
+            r_val, parse_err := strconv.ParseFloat(second.Value(), 64)
+            if parse_err != nil {
+                log.Log(log.ERR,
+                    "error parsing number: "+parse_err.Error(),
+                    "eq")
+                return nil
+            }
+
+            if l_val != r_val {
+                out = "F"
+            }
         }
     }