impliment do wraps

src/built-ins.go

@@ -1,7 +1,5 @@
 package main
 
-import "github.com/wadey/go-rounding"
-
 var vars = scope{}
 
 func init() {
@@ -67,35 +65,10 @@ func init() {
 		}
 		return nil, ArErr{TYPE: "TypeError", message: "Cannot create array from '" + typeof(a[0]) + "'", EXISTS: true}
 	}}
-	vars["round"] = builtinFunc{"round", func(a ...any) (any, ArErr) {
-		if len(a) == 0 {
-			return nil, ArErr{TYPE: "round", message: "round takes 1 argument",
-				EXISTS: true}
-		}
-		precision := newNumber()
-		if len(a) > 1 {
-			switch x := a[1].(type) {
-			case number:
-				if !x.IsInt() {
-					return nil, ArErr{TYPE: "TypeError", message: "Cannot round to '" + typeof(a[1]) + "'", EXISTS: true}
-				}
-				precision = x
-			default:
-				return nil, ArErr{TYPE: "TypeError", message: "Cannot round to '" + typeof(a[1]) + "'", EXISTS: true}
-			}
-		}
-
-		switch x := a[0].(type) {
-		case number:
-			return rounding.Round(newNumber().Set(x), int(precision.Num().Int64()), rounding.HalfUp), ArErr{}
-		}
-		return nil, ArErr{TYPE: "TypeError", message: "Cannot round '" + typeof(a[0]) + "'", EXISTS: true}
-	}}
+	vars["maths"] = maths
 	vars["time"] = ArTime
 	vars["PI"] = PI
 	vars["π"] = PI
 	vars["e"] = e
-	sqrt := builtinFunc{"sqrt", ArgonSqrt}
-	vars["sqrt"] = sqrt
 	vars["thread"] = builtinFunc{"thread", ArThread}
 }