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138 lines (106 loc) · 3.38 KB
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace gcodeparser
{
public partial class MathTestForm : Form
{
private float Tolerance = 0.00001f;
private StringBuilder mResult = new StringBuilder();
public MathTestForm()
{
InitializeComponent();
}
private void MathTestForm_Load(object sender, EventArgs e)
{
mResult.AppendFormat("Tolerance: {0}\r\n", Tolerance);
RunTest();
ResultTextbox.Text = mResult.ToString();
}
private void RunTest()
{
TestCos();
TestSin();
TestAtan2();
TestSqrt();
}
private void TestSqrt()
{
mResult.Append("Testing Sqrt function\r\n");
for (float x = 0; x < 2000; x += 3.243f)
{
Check((float)Math.Sqrt(x), Math2.Sqrt(x), "Sqrt: {0} != {1}");
}
}
private void TestCos()
{
mResult.Append("Testing Cos function\r\n");
for (float x = 0; x < 10f; x += 0.021f)
{
Check((float)Math.Cos(x), Math2.Cos(x), "Cos: {0} != {1}");
}
}
private void TestSin()
{
mResult.Append("Testing Sin function\r\n");
for (float x = 0; x < 10f; x += 0.021f)
{
Check((float)Math.Sin(x), Math2.Sin(x), "Sin: {0} != {1}");
}
}
private void TestAtan2()
{
mResult.Append("Testing Atan2 function\r\n");
int correct = 0;
int total = 0;
for (float x = 0; x < 5f; x += 0.11f)
{
for (float y = -20f; y < 20f; y += 0.105f)
{
float m = (float)Math.Atan2(y, x);
float m2 = Math2.Atan2(y, x);
const float rad = 180 / 3.141592654f;
float dm = m * rad;
float dm2 = m2 * rad;
if (Check(x, y, dm, dm2, "Atan2: x {0}, y {1} | {2} != {3}")) correct++;
total++;
}
}
mResult.AppendFormat("Atan2: Total: {0}, OK: {1}\r\n", total, correct);
}
private bool Check(float v1, float v2, string errorMsg)
{
float diff = (float)Math.Abs(v1 - v2);
if (diff > Tolerance)
{
PrintError(v1, v2, errorMsg);
return false;
}
return true;
}
private bool Check(float x, float y, float v1, float v2, string errorMsg)
{
float diff = (float)Math.Abs(v1 - v2);
if (diff > Tolerance)
{
PrintError(x, y, v1, v2, errorMsg);
return false;
}
return true;
}
private void PrintError(float x, float y, float v1, float v2, string message)
{
mResult.AppendFormat(message + "\r\n", x, y, v1, v2);
}
private void PrintError(float v1, float v2, string message)
{
//MessageBox.Show(string.Format(message, v1, v2));
mResult.AppendFormat(message + "\r\n", v1, v2);
}
}
}