code: function getFormatter(oType) {
  		var oFormatOptions;
  
  		if (!oType.oFormat) {
  			oFormatOptions = jQuery.extend({groupingEnabled : true}, oType.oFormatOptions);
  			oType.oFormat = NumberFormat.getFloatInstance(oFormatOptions);
  		}
  		return oType.oFormat;
  	}
docs: Returns the formatter. Creates it lazily.
  @param {sap.ui.model.odata.type.Double} oType
  the type instance
  @returns {sap.ui.core.format.NumberFormat}
  the formatter