static double GetPower(string strInp)
{
string str = strInp;
PowerElements pow = GetPowerElements(str);
double baseValue = 0;
double exponentValue = 1.0;
baseValue = Parse(pow.Base);
exponentValue = Parse(pow.Exponent);
return(Math.Pow(baseValue, exponentValue));
}
// method used in MtHtmlSupport as public
public static PowerElements GetPowerElements(string powerString)
{
PowerElements p = new PowerElements();
string str = powerString;
int firstIndexAfterPow = -1;
if (str.Contains("pow"))
{
firstIndexAfterPow = str.IndexOf("pow") + "pow".Length;
}
if (str.Contains("Pow"))
{
firstIndexAfterPow = str.IndexOf("Pow") + "Pow".Length;
}
if (firstIndexAfterPow < 0 || firstIndexAfterPow >= str.Length)
{
return(p);
}
str = str.Substring(firstIndexAfterPow);
str = GetOutBrackets(str);
int separatorIndex = -1;
int bracketLevel = 0;
for (int i = 0; i < str.Length; i++)
{
if (str[i] == '(')
{
bracketLevel++;
continue;
}
if (str[i] == ')')
{
bracketLevel--;
continue;
}
if (str[i] == ',' && bracketLevel == 0)
{
separatorIndex = i;
break;
}
}
if (separatorIndex < 0)
{
return(p);
}
p.Base = str.Substring(0, separatorIndex);
p.Exponent = str.Substring(separatorIndex + 1);
return(p);
}
