MathX相关程序流图

一些重要方法的简化流图（只标注了分支结构条件；可能有未标注的分支结构，为循环语句）。

Check.isRepeated

3.if(!equation1.peek().equals(equation2.peek()))

4.if(((equation1.peek().equals("*") || equation1.peek().equals("×")) && (equation2.peek().equals("*") || equation2.peek().equals("×"))) || ((equation1.peek().equals("/") || equation1.peek().equals("÷")) && (equation2.peek().equals("/") || equation2.peek().equals("÷"))))

 

 

Check.transform

3.if(Information.isDigit(str))

5.if(numOfTarget < 2)

8.if(!flag || numOfTarget == 2)

10.if((str.equals("+")||str.equals("*")||str.equals("×"))&&max(first,second).equals(first))

14.if(numOfTarget == 1)

16.if(numOfTarget == 0 && numOfDigit > 0)

 

 

CompeteRPN.add/minus/multiply

2.if(Fraction.isFraction(a)||Fraction.isFraction(b))

 

 

CompeteRPN.answerFromStack

3.if(Information.isDigit(str))

 

 

Fraction.getFraction

1.if(denominator==0)

2.if(numerator==0)

3.if(numerator==denominator)

4.if(numerator+denominator==0)

6.if(Math.abs(numerator)>Math.abs(denominator))

15.if(denominator==1)

16.if(denominator==-1)

17.if(numerator*denominator<0)

 

 

Fraction.transform

2.if(Fraction.isFraction(a))

4.if(endIndex == -1)

 

 

Information.vaildAnswer

1.if(answer.equals("No Meaning!"))

2.if(answer.charAt(0) == '-')

3.if(Fraction.isFraction(answer))

 

 

RPN.toStringArray

3.if (Character.isDigit(c))

5.if (digit.length() != 0)

10.if(digit.length() != 0)

 

 

RPN.transformToRPN

3.if(Information.isDigit(i))

5.if(operator.empty()||i.equals("(") || operator.peek().equals("("))

7.if(i.equals(")"))

11.if(Information.priority(i)>Information.priority(operator.peek()))

14.if(Information.priority(i) <= Information.priority(operator.peek()))