Shaker/Avalonia/ShakerApp/App.axaml.cs

using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Data.Core.Plugins;
using Avalonia.Markup.Xaml;
using FxpConvert.Common;

#if DEBUG
using HotAvalonia;
#endif
using ShakerApp.ViewModels;
using ShakerApp.Views;
using System;
using System.Globalization;
using System.Linq;
using System.Runtime.InteropServices;

namespace ShakerApp;

public partial class App : Application
{
    public unsafe override void Initialize()
    {
        Test();
#if DEBUG
        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
        {
            this.EnableHotReload();
        }
#endif
        AvaloniaXamlLoader.Load(this);
    }
    private void Test()
    {
        IFxpConvert convert = new SIMDFxpConvert.SIMDFxpConverter();
        uint count = 4;
        double[] f = new double[] { -1, -2, 1, 2 };
        ulong[] f2 = new ulong[count];
        NiFpga_FxpTypeInfo typeInfo = new NiFpga_FxpTypeInfo()
        {
            integerWordLength = 5,
            Delta = 0.000031,
            isSigned = true,
            Max = 15.999969,
            Min = -16,
            wordLength = 20
        };
        convert.DoubleConvertToDxp(ref f[0], typeInfo, ref f2[0], count);
        byte[] bytes = new byte[(int)Math.Ceiling(typeInfo.wordLength * count / 8.0)];
        string s = string.Empty;
        
        for(int i=0;i<f2.Length;i++)
        {
            s += f2[i].ToString("b").PadLeft(64,'0').Substring(64 - typeInfo.wordLength, typeInfo.wordLength);
        }
        for(int i = 0; i < bytes.Length;i++)
        {
            bytes[i] = System.Convert.ToByte(s.Substring(i * 8, Math.Min(8, s.Length - i * 8)), 2);
        }

        s = string.Empty;
        for(int i=0;i<bytes.Length;i++)
        {
            s += bytes[i].ToString("b").PadLeft(8, '0');
        }
        ulong[] f3 = new ulong[count];
        for(int i=0;i<f3.Length;i++)
        {
            f3[i] = System.Convert.ToUInt64(s.Substring(i * typeInfo.wordLength, typeInfo.wordLength),2);
        }
        double[] f4 = new double[count];
        convert.FxpConvertToDouble(ref f3[0], typeInfo, ref f4[0], count);
    }
    public override void OnFrameworkInitializationCompleted()
    {
        BindingPlugins.DataValidators.RemoveAt(0);
        ShakerSettingViewModel.Instance.Init();

        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
        {
            if (desktop.Args!.Contains("-debug"))
            {
                ViewModels.MainViewModel.Default.CanDebug = true;
            }
            desktop.MainWindow = new MainWindow();
        }
        base.OnFrameworkInitializationCompleted();
    }

}