public Pi()
{
List <string> formulaList = new List <string>()
{
"#eg. pi = 16 * arctan(1/5) - 4 * arctan(1/239) [Machin]",
"Stormer + 176 57 + 28 239 - 48 682 + 96 12943",
"Stomer + 24 8 + 8 57 + 4 239",
"Gauss + 48 18 + 32 57 - 20 239",
"Machin + 16 5 - 4 239"
};
Regex regex = new Regex(@"\s+");
foreach (string s in formulaList)
{
if (s == null)
{
break;
}
if (s.Length == 0 || s[0] == '#')
{
continue;
}
string[] ss = regex.Split(s);
if (ss.Length % 3 != 1)
{
throw new ApplicationException("ini文件栏目数不正确");
}
ThePi thePi = new ThePi(ss[0]);
for (int i = 1; i < ss.Length; i += 3)
{
thePi.Add(new ThePi.Term(ss[i][0] == '+', int.Parse(ss[i + 1]), int.Parse(ss[i + 2])));
}
list.Add(thePi);
}
}
/* 从 ini 文件中读入初始配置，其格式如下：
# eg. pi = 16 * arctan(1/5) - 4 * arctan(1/239) [Machin]
# Stormer + 176 57 + 28 239 - 48 682 + 96 12943
# Stomer + 24 8 + 8 57 + 4 239
# Gauss + 48 18 + 32 57 - 20 239
# Machin + 16 5 - 4 239
*/
public Pi(string iniFileName)
{
using (StreamReader sr = new StreamReader(iniFileName))
{
Regex regex = new Regex(@"\s+");
for (;;)
{
string s = sr.ReadLine();
if (s == null)
{
break;
}
if (s.Length == 0 || s[0] == '#')
{
continue;
}
string[] ss = regex.Split(s);
if (ss.Length % 3 != 1)
{
throw new ApplicationException("ini文件栏目数不正确");
}
ThePi thePi = new ThePi(ss[0]);
for (int i = 1; i < ss.Length; i += 3)
{
thePi.Add(new ThePi.Term(ss[i][0] == '+', int.Parse(ss[i + 1]), int.Parse(ss[i + 2])));
}
list.Add(thePi);
}
}
}