public double CalcIntegral(RectangleIntegralType type)
{
double result = 0;
for (int i = 0; i < n; ++i)
{
result += GetValue(a + i * h, type);
}
return(result * h);
}
double GetValue(double value, RectangleIntegralType type)
{
switch (type)
{
case RectangleIntegralType.Left: return(function(value));
case RectangleIntegralType.Right: return(function(value + h));
default: return(function(value + h / 2));
}
}
public double GetErrorDiap(RectangleIntegralType type)
{
RectangleIntegral temp = new RectangleIntegral(this.function, a, b, n * 2);
return(Math.Abs(temp.CalcIntegral(type) - this.CalcIntegral(type)));
}