Shifts the given value into the range : double « Data Types « C# / C Sharp
Shifts the given value into the range
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
namespace Microsoft.SqlServer.SpatialToolbox.KMLProcessor
{
public class Utilities
{
/// <summary>
/// This method shifts the given value into the range [-upperBorder, upperBorder]
/// </summary>
/// <param name="value">The value to be shifted</param>
/// <param name="phase">The range's upper bound</param>
/// <returns>The shifted value</returns>
public static double ShiftInRange(double value, double upperBorder)
{
upperBorder = Math.Abs(upperBorder);
if (upperBorder == 0)
throw new Exception("The range has to be greater then 0.");
double rangeSize = 2 * upperBorder;
if (value > upperBorder)
{
int k = (int)((value + upperBorder) / rangeSize);
value = value - k * rangeSize;
}
else if (value < -1 * upperBorder)
{
int k = (int)((value - upperBorder) / rangeSize);
value = value - k * rangeSize;
}
return value;
}
}
}
