private static string[] Exercises(int Range, int Operators, int OperatorsClass, string[] calculation, string[] performance, bool Random_Decimal)
{
List <string> Result = new List <string>();
string Formula = "", Formulanum = "";
double number1 = Random_Number(Random_Decimal, Range); //随机一个初始数
int OP = number.Next(0, Operators); //随机运算符数量
Formulanum = Formula += number1;
for (int j = 0; j <= OP; j++)
{
int opnext = number.Next(0, OperatorsClass); //随机一个符号
double number2 = Random_Number(Random_Decimal, Range); //随机一个数
if (opnext == 3 && number2 == 0) //判断算式是否存在除0
{
number2 = Random_Number(Random_Decimal, Range); //重新随机一个数
}
Formula += calculation[opnext] + number2;
Formulanum += performance[opnext] + number2;
if (Condition(Range, Operators, OperatorsClass, calculation, performance, ref Formula, ref Formulanum, Random_Decimal))
{
break;
}
}
Result.Add(Formulanum);
Result.Add(Formula);
Result.Add(CM10.Shunting(Formulanum).ToString());
return(Result.ToArray());
}
/// <summary>
/// 产生分数的题目和结果
/// </summary>
/// <param name="Range">范围</param>
/// <param name="Operators">符号数</param>
/// <param name="OperatorsClass">符号类型</param>
/// <param name="calculation"></param>
/// <param name=" IsDecimal"></param>
/// <returns></returns>
public static string[] Exercises_Fraction(int Operators, string[] OperatorsClass, string[] calculation, bool IsDecimal, bool IsFraction, bool IsInvolution)
{
List <string> Result = new List <string>();
string Formula = "";
number1 = Random_Fraction(); //随机一个初始数
int OP = number.Next(0, Operators); //随机运算符数量
Formula += number1;
Splicing_Fraction(Operators, OperatorsClass, calculation, IsDecimal, ref Formula, OP);
Result.Add(Formula);
Result.Add(CM10.Shunting(Formula).ToString());
return(Result.ToArray());
}
/// <summary>
/// 对分数进行判断
/// </summary>
/// <param name="Operators"></param>
/// <param name="OperatorsClass"></param>
/// <param name="calculation"></param>
/// <param name="Formula"></param>
/// <param name="IsInvolution"></param>
/// <returns></returns>
private static bool Condition_Fraction(int Operators, string[] OperatorsClass, string[] calculation, ref string Formula, bool IsInvolution)
{
if (!negative_fraction(CM10.Shunting(Formula).ToString()) || !IsDouble(CM10.Shunting(Formula).ToString()) && IsInvolution)
{
string[] es = Exercises_Fraction(Operators, OperatorsClass, calculation, IsInvolution, false, false);
Formula = es[0];
return(true);
}
if (!IsNumber(CM10.Shunting(Formula).ToString()) && !IsInvolution)
{
string[] es = Exercises_Fraction(Operators, OperatorsClass, calculation, IsInvolution, false, false);
Formula = es[0];
return(true);
}
return(false);
}
/// <summary>
/// 重构判断题目计算过程中是否有负数或除0
/// </summary>
/// <param name="Range"></param>
/// <param name="Operators"></param>
/// <param name="OperatorsClass"></param>
/// <param name="calculation"></param>
/// <param name="performance"></param>
/// <param name="Formula"></param>
/// <param name="Formulanum"></param>
/// <param name=" IsDecimal"></param>
/// <returns></returns>
private static bool Condition(int Range, int Operators, string[] OperatorsClass, string[] calculation, ref string Formula, bool IsDecimal)
{
if (Convert.ToDouble(CM10.Shunting(Formula).ToString()) < 0 || !IsDouble(CM10.Shunting(Formula).ToString()) && IsDecimal)
{
string[] es = Exercises(Range, Operators, OperatorsClass, calculation, IsDecimal, false, false);
Formula = es[0];
return(true);
}
if (!IsNumber(CM10.Shunting(Formula).ToString()) && !IsDecimal)
{
string[] es = Exercises(Range, Operators, OperatorsClass, calculation, IsDecimal, false, false);
Formula = es[0];
return(true);
}
return(false);
}
/// <summary>
/// 产生题目和结果
/// </summary>
/// <param name="Range"></param>
/// <param name="Operators"></param>
/// <param name="OperatorsClass"></param>
/// <param name="calculation"></param>
/// <param name="performance"></param>
/// <param name=" IsDecimal"></param>
/// <returns></returns>
private static string[] Exercises(int Range, int Operators, int OperatorsClass, string[] calculation, string[] performance, bool IsDecimal)
{
List <string> Result = new List <string>();
string Formula = "", Formulanum = "";
if (IsDecimal == true)
{
number1 = Random_Number(IsDecimal, Range); //随机一个初始数
}
int OP = number.Next(0, Operators); //随机运算符数量
Formulanum = Formula += number1;
Splicing(Range, Operators, OperatorsClass, calculation, performance, IsDecimal, ref Formula, ref Formulanum, OP);
Result.Add(Formulanum);
Result.Add(Formula);
Result.Add(CM10.Shunting(Formulanum).ToString());
return(Result.ToArray());
}
/// <summary>
/// 重构判断题目计算过程中是否有负数或除0
/// </summary>
/// <param name="Range"></param>
/// <param name="Operators"></param>
/// <param name="OperatorsClass"></param>
/// <param name="calculation"></param>
/// <param name="performance"></param>
/// <param name="Formula"></param>
/// <param name="Formulanum"></param>
/// <param name=" IsDecimal"></param>
/// <returns></returns>
private static bool Condition(int Range, int Operators, int OperatorsClass, string[] calculation, string[] performance, ref string Formula, ref string Formulanum, bool IsDecimal)
{
if (Convert.ToDouble(CM10.Shunting(Formulanum).ToString()) < 0 || !IsDouble(dt.Compute(Formulanum, "null").ToString()) && IsDecimal)
{
string[] es = Exercises(Range, Operators, OperatorsClass, calculation, performance, IsDecimal);
Formulanum = es[0];
Formula = es[1];
return(true);
}
if (!IsNumber(dt.Compute(Formulanum, "null").ToString()) && !IsDecimal)
{
string[] es = Exercises(Range, Operators, OperatorsClass, calculation, performance, IsDecimal);
Formulanum = es[0];
Formula = es[1];
return(true);
}
return(false);
}
/// <summary>
/// 产生题目和结果
/// </summary>
/// <param name="Range">范围</param>
/// <param name="Operators">符号数</param>
/// <param name="OperatorsClass">符号类型</param>
/// <param name="calculation"></param>
/// <param name=" IsDecimal"></param>
/// <returns></returns>
private static string[] Exercises(int Range, int Operators, string[] OperatorsClass, string[] calculation, bool IsDecimal, bool IsFraction, bool IsInvolution)
{
List <string> Result = new List <string>();
string Formula = "";
number1 = Random_Number(IsDecimal, Range).ToString(); //随机一个初始数
int OP = number.Next(0, Operators); //随机运算符数量
Formula += number1;
Splicing(Range, Operators, OperatorsClass, calculation, IsDecimal, ref Formula, OP);
int lbo = number.Next(1, 4);
if (IsInvolution && lbo == 2)
{
Formula = Involution.Generate(Formula, Operators);
}
Result.Add(Formula);
Result.Add(CM10.Shunting(Formula).ToString());
return(Result.ToArray());
}