rename package

upnp/statevariables/utils_numeric_operandes.go

@@ -0,0 +1,32 @@
+package statevariables
+
+import "fmt"
+
+// valuesToNumericOperands takes two interface{} values, casts them to a numeric type based on a given StateVarType, and returns their float64 equivalents.
+// If any error occurs during casting or conversion to float64, it is returned along with zero values for the operands.
+func valuesToNumericOperands(t StateVarType, a interface{}, b interface{}) (float64, float64, error) {
+	var err error
+	if !t.IsNumeric() {
+		return 0, 0, fmt.Errorf("type %v is not numeric", t)
+	}
+
+	a, err = t.Cast(a)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	b, err = t.Cast(b)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	af, err := toFloat(a, 64)
+	if err != nil {
+		return 0, 0, err
+	}
+	bf, err := toFloat(b, 64)
+	if err != nil {
+		return 0, 0, err
+	}
+	return af, bf, nil
+}