text: //
  //  NSDecimalNumber+BIYRound.h
  //  BIYong
  //
  //  Created by majia on 2018/4/27.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface NSDecimalNumber (BIYRound)
  + (NSString *)BIY_StringDecimal:(NSDecimalNumber *)decNum scale:(NSInteger)scale roundMode:(NSRoundingMode)mode;
  
  - (NSDecimalNumber *)precisionDetection;
  @end
  