anchor.diff:    double parseDouble(value) {
       if (value == null) return null;
       if (value is num) {
  -      return value;
  +      return value.toDouble();
       } else {
         return double.parse(value.toString().replaceAll(",","."), (_) => null);
       }
  
positive.code:   void writeValue(obj) {
      value = obj;
      if (!focused) {
        print("Setting $value");
        if (value == null) {
          _valueStr = "";
        } else {
  
negative.code:   (blur)="onBlur()"
    #input
  />
  ''',
      providers: const [
        CUSTOM_INPUT_FDOUBLE_VALUE_ACCESSOR,
  