private void Button_Click_Calc(object sender, RoutedEventArgs e)
{
string inputNum_string = Input_TextBox.Text;
Number inputNum = new Number(inputNum_string, false, 0, 0);
string inputAccuracy_string = Accuracy_TextBox.Text;
int accuracy = Convert.ToInt32(inputAccuracy_string);
System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
//进行计算
RangeAssist rangeAssist = new RangeAssist(inputNum, accuracy);
//泰勒展开法进行计算
stopwatch.Start();
Taylor TaylorCal = new Taylor(rangeAssist.numConverted, accuracy);
Number resultTaylor = rangeAssist.NumRecover(TaylorCal.TaylorCalculate());
stopwatch.Stop();
float taylorTime = (float)stopwatch.ElapsedMilliseconds / 1000;
//外推加速法进行计算
stopwatch.Start();
Romberg RombergCal = new Romberg(rangeAssist.numConverted, accuracy);
Number resultRomberg = rangeAssist.NumRecover(RombergCal.RombergCalculate());
stopwatch.Stop();
float rombergTime = (float)stopwatch.ElapsedMilliseconds / 1000;
//牛顿法进行计算
stopwatch.Start();
Newton NewtonCal = new Newton(rangeAssist.numConverted, accuracy);
Number resultNewton = rangeAssist.NumRecover(NewtonCal.NewtonCalculate());
stopwatch.Stop();
float newtonTime = (float)stopwatch.ElapsedMilliseconds / 1000;
//显示字符串
//泰勒法
string resultTaylor_string = "";
if (resultTaylor.sign == -1)
{
resultTaylor_string += "-";
}
for (int i = 0; i < resultTaylor.intLength; i++)
{
resultTaylor_string += resultTaylor.intPart[i].ToString();
}
resultTaylor_string += ".";
for (int i = 0; i < resultTaylor.decLength; i++)
{
resultTaylor_string += resultTaylor.decPart[i].ToString();
}
Taylor_TextBox.Text = resultTaylor_string;
TaylorTime_TextBox.Text = taylorTime.ToString() + "秒";
//外推加速法
string resultRomberg_string = "";
if (resultRomberg.sign == -1)
{
resultRomberg_string += "-";
}
for (int i = 0; i < resultRomberg.intLength; i++)
{
resultRomberg_string += resultRomberg.intPart[i].ToString();
}
resultRomberg_string += ".";
for (int i = 0; i < resultRomberg.decLength; i++)
{
resultRomberg_string += resultRomberg.decPart[i].ToString();
}
Romberg_TextBox.Text = resultRomberg_string;
RombergTime_TextBox.Text = rombergTime.ToString() + "秒";
//牛顿法
string resultNewton_string = "";
if (resultNewton.sign == -1)
{
resultNewton_string += "-";
}
for (int i = 0; i < resultNewton.intLength; i++)
{
resultNewton_string += resultNewton.intPart[i].ToString();
}
resultNewton_string += ".";
for (int i = 0; i < resultNewton.decLength; i++)
{
resultNewton_string += resultNewton.decPart[i].ToString();
}
Newton_TextBox.Text = resultNewton_string;
NewtonTime_TextBox.Text = newtonTime.ToString() + "秒";
}
private void Button_Click_Calc(object sender, RoutedEventArgs e)
{
string inputNum_string = Input_TextBox.Text;
Number inputNum = new Number(inputNum_string, false, 0, 0);
string inputAccuracy_string = Accuracy_TextBox.Text;
int accuracy = Convert.ToInt32(inputAccuracy_string);
System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
//进行计算
RangeAssist rangeAssist = new RangeAssist(inputNum, accuracy);
//泰勒展开法进行计算
stopwatch.Start();
Taylor TaylorCal = new Taylor(rangeAssist.numConverted, accuracy);
Number resultTaylor = rangeAssist.NumRecover(TaylorCal.TaylorCalculate());
stopwatch.Stop();
float taylorTime = (float)stopwatch.ElapsedMilliseconds / 1000;
//外推加速法进行计算
stopwatch.Start();
Romberg RombergCal = new Romberg(rangeAssist.numConverted, accuracy);
Number resultRomberg = rangeAssist.NumRecover(RombergCal.RombergCalculate());
stopwatch.Stop();
float rombergTime = (float)stopwatch.ElapsedMilliseconds / 1000;
//牛顿法进行计算
stopwatch.Start();
Newton NewtonCal = new Newton(rangeAssist.numConverted, accuracy);
Number resultNewton = rangeAssist.NumRecover(NewtonCal.NewtonCalculate());
stopwatch.Stop();
float newtonTime = (float)stopwatch.ElapsedMilliseconds / 1000;
//显示字符串
//泰勒法
string resultTaylor_string = "";
if (resultTaylor.sign == -1)
{
resultTaylor_string += "-";
}
for (int i = 0; i < resultTaylor.intLength; i++)
{
resultTaylor_string += resultTaylor.intPart[i].ToString();
}
resultTaylor_string += ".";
for (int i = 0; i < resultTaylor.decLength; i++)
{
resultTaylor_string += resultTaylor.decPart[i].ToString();
}
Taylor_TextBox.Text = resultTaylor_string;
TaylorTime_TextBox.Text = taylorTime.ToString() + "秒";
//外推加速法
string resultRomberg_string = "";
if (resultRomberg.sign == -1)
{
resultRomberg_string += "-";
}
for (int i = 0; i < resultRomberg.intLength; i++)
{
resultRomberg_string += resultRomberg.intPart[i].ToString();
}
resultRomberg_string += ".";
for (int i = 0; i < resultRomberg.decLength; i++)
{
resultRomberg_string += resultRomberg.decPart[i].ToString();
}
Romberg_TextBox.Text = resultRomberg_string;
RombergTime_TextBox.Text = rombergTime.ToString() + "秒";
//牛顿法
string resultNewton_string = "";
if (resultNewton.sign == -1)
{
resultNewton_string += "-";
}
for (int i = 0; i < resultNewton.intLength; i++)
{
resultNewton_string += resultNewton.intPart[i].ToString();
}
resultNewton_string += ".";
for (int i = 0; i < resultNewton.decLength; i++)
{
resultNewton_string += resultNewton.decPart[i].ToString();
}
Newton_TextBox.Text = resultNewton_string;
NewtonTime_TextBox.Text = newtonTime.ToString() + "秒";
}
private static void test03(int dim_num, Func <int, double[], double> func)
//****************************************************************************80
//
// Purpose:
//
// TEST03 tests ROMBERG_ND.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 26 February 2007
//
// Author:
//
// John Burkardt
//
// Parameters:
//
// Input, int DIM_NUM, the spatial dimension.
//
// Input, double FUNC ( int dim_num, double x[] ), evaluates the function
// to be integrated.
//
{
int dim;
int eval_num = 0;
int ind = 0;
const int it_max = 3;
//
// Set the integration limits.
//
double[] a = new double[dim_num];
double[] b = new double[dim_num];
int[] sub_num = new int[dim_num];
for (dim = 0; dim < dim_num; dim++)
{
a[dim] = 0.0;
}
for (dim = 0; dim < dim_num; dim++)
{
b[dim] = 1.0;
}
double tol = 0.001;
for (dim = 0; dim < dim_num; dim++)
{
sub_num[dim] = 10;
}
double result = Romberg.romberg_nd(func, a, b, dim_num, sub_num, it_max, tol,
ref ind, ref eval_num);
Console.WriteLine(" ROMBERG_ND: "
+ result.ToString("0.############").PadLeft(20)
+ " " + eval_num.ToString().PadLeft(8) + "");
}