// @(#)$Id: MutableMoney.h,v 1.1 1998/08/27 15:11:52 leavens Exp $

#ifndef MutableMoney_h
#define MutableMoney_h

#include "Money.h"

//@ uses MutableMoneyTrait;
//@ uses NoContainedObjects(MutableMoney);

class MutableMoney : public Money
#include "MutableMoney.bse"
{
public:
  //@ weakly simulates Money by toMoney;

  MutableMoney(double amt) throw();
  //@ behavior {
  //@   requires inRange(money(rational(amt)));
  //@   constructs self;
  //@   ensures self' = money(rational(amt));
  //@ }

  MutableMoney(long int cts = 0L) throw();
  //@ behavior {
  //@   requires inRange(pennies(cts));
  //@   constructs self;
  //@   ensures self' = pennies(cts);
  //@ }

  virtual void AddIn(const Money & m2) throw();
  //@ behavior {
  //@   requires assigned(m2, pre) /\ inRange(self^ + m2\any);
  //@   modifies self;
  //@   ensures liberally self' + m2\any;
  //@   example liberally self^ = money(300/1) /\ m2\any = money(400/1)
  //@                     /\ self' = money(700/1);
  //@ }

  virtual void SubtractIn(const Money & m2) throw();
  //@ behavior {
  //@   requires assigned(m2, pre) /\ inRange(self^ + m2\any);
  //@   modifies self;
  //@   ensures liberally self' - m2\any;
  //@   example liberally self^ = money(700/1) /\ m2\any = money(400/1)
  //@                     /\ self' = money(300/1);
  //@ }

  virtual void MultiplyIn(double factor) throw();
  //@ behavior {
  //@   requires inRange(rational(factor) * self^);
  //@   ensures liberally self' = rational(factor) * self^;
  //@ }

#include "MutableMoney.pri"
};

#endif

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