private string CheckPowers(string value, int index, string exponent, out bool powerSolved)
{
string result;
powerSolved = false;
if (m_powers.Count == 0)
{
return(exponent);
}
Power power = m_powers[m_powers.Count - 1];
if (index == power.parenIndex)
{
power.exponent = Convert.ToDouble(exponent);
result = power.Solve().ToString();
ReplaceValueInSteps(power.GetExpression(), result);
m_results.AddValue(m_rawValue);
m_powers.Remove(power);
powerSolved = true;
return(result);
}
return(exponent);
}
public void SolveTest1()
{
Power power = new DomainEntities.Power(3.0);
power.exponent = 2.0;
Assert.AreEqual(9.0, power.Solve());
}
private string Solve(bool includesParen)
{
string localExpression;
string workExpress;
double result = 0.0;
string[] exponentValues;
localExpression = m_steps.LastOrDefault();
if (string.IsNullOrWhiteSpace(localExpression))
{
return("");
}
workExpress = localExpression;
if (includesParen)
{
workExpress = workExpress.Substring(1, workExpress.Length - 2);
}
if (localExpression.Contains("^"))
{
exponentValues = localExpression.Split('^');
if (exponentValues[0].IsNumeric() &&
exponentValues[1].IsNumeric())
{
Power power = new Power(Convert.ToDouble(exponentValues[0]));
result = power.Solve(Convert.ToDouble(exponentValues[1]));
}
}
else
{
result = Convert.ToDouble(new DataTable().Compute(workExpress, null));
}
if (m_steps.Count > 1)
{
m_steps.Remove(localExpression);
}
ReplaceValueInSteps(localExpression, result.ToString());
m_results.AddValue(m_rawValue);
return(result.ToString());
}
public void SolveTest()
{
Power power = new DomainEntities.Power(2.0);
Assert.AreEqual(8.0, power.Solve(3.0));
}