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Truncates the specified double

namespace Deppton.Mobile.Gps { using System;     public static class Utils     {         /// <summary>         /// Truncates the specified double.         /// </summary>         /// <param name="value">The double to truncate.</param>         /// <returns>The truncated double.</returns>         public static double Truncate(this double value)         {             if (value >= 0)             {                 return Math.Floor(value);             }             else             {                 return Math.Ceiling(value);             }         }         public static IntPtr LocalAlloc(int byteCount)         {             IntPtr ptr = Win32.LocalAlloc(Win32.LMEM_ZEROINIT, byteCount);             if (ptr == IntPtr.Zero)             {                 throw new OutOfMemoryException();             }             return ptr;         }         public static void LocalFree(IntPtr hMem)         {             IntPtr ptr = Win32.LocalFree(hMem);             if (ptr != IntPtr.Zero)             {                 throw new ArgumentException();             }         }     }     public class Win32     {         public const int LMEM_ZEROINIT = 0x40;         [System.Runtime.InteropServices.DllImport("coredll.dll", EntryPoint = "#33", SetLastError = true)]         public static extern IntPtr LocalAlloc(int flags, int byteCount);         [System.Runtime.InteropServices.DllImport("coredll.dll", EntryPoint = "#36", SetLastError = true)]         public static extern IntPtr LocalFree(IntPtr hMem);     } }