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Class optimization

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Miha
2024-10-27 16:11:08 -07:00
parent b2fcdda785
commit 6c67a0cf31
77 changed files with 2634 additions and 1455 deletions
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lib/oscillators/Rsx.cs
+36 -12
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@@ -1,4 +1,4 @@
using System;
using System.Runtime.CompilerServices;
namespace QuanTAlib;
/// <summary>
@@ -34,24 +34,34 @@ namespace QuanTAlib;
/// Note: Proprietary enhancement of RSI using JMA technology
/// </remarks>
public class Rsx : AbstractBase
[SkipLocalsInit]
public sealed class Rsx : AbstractBase
{
private readonly Rma _avgGain;
private readonly Rma _avgLoss;
private readonly Jma _rsx;
private double _prevValue, _p_prevValue;
private const double ScalingFactor = 100.0;
private const int DefaultPeriod = 14;
private const int DefaultPhase = 0;
private const double DefaultFactor = 0.55;
private const int JmaPeriod = 8;
private const int JmaPower = 100;
private const double JmaPhase = 0.25;
private const int JmaExtra = 3;
/// <param name="period">The number of periods for RSI calculation (default 14).</param>
/// <param name="phase">The phase parameter for JMA smoothing (default 0).</param>
/// <param name="factor">The factor parameter for smoothing control (default 0.55).</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown when period is less than 1.</exception>
public Rsx(int period = 14, int phase = 0, double factor = 0.55)
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Rsx(int period = DefaultPeriod, int phase = DefaultPhase, double factor = DefaultFactor)
{
if (period < 1)
throw new ArgumentOutOfRangeException(nameof(period));
_avgGain = new(period);
_avgLoss = new(period);
_rsx = new(8, 100, 0.25, 3);
_rsx = new(JmaPeriod, JmaPower, JmaPhase, JmaExtra);
_index = 0;
WarmupPeriod = period + 1;
Name = $"RSX({period})";
@@ -61,12 +71,14 @@ public class Rsx : AbstractBase
/// <param name="period">The number of periods for RSI calculation.</param>
/// <param name="phase">The phase parameter for JMA smoothing.</param>
/// <param name="factor">The factor parameter for smoothing control.</param>
public Rsx(object source, int period, int phase = 0, double factor = 0.55) : this(period, phase, factor)
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Rsx(object source, int period, int phase = DefaultPhase, double factor = DefaultFactor) : this(period, phase, factor)
{
var pubEvent = source.GetType().GetEvent("Pub");
pubEvent?.AddEventHandler(source, new ValueSignal(Sub));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected override void ManageState(bool isNew)
{
if (isNew)
@@ -80,6 +92,19 @@ public class Rsx : AbstractBase
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
private static (double gain, double loss) CalculateGainLoss(double change)
{
return (Math.Max(change, 0), Math.Max(-change, 0));
}
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
private static double CalculateRsi(double avgGain, double avgLoss)
{
return avgLoss > 0 ? ScalingFactor - (ScalingFactor / (1 + (avgGain / avgLoss))) : ScalingFactor;
}
[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
protected override double Calculation()
{
ManageState(Input.IsNew);
@@ -91,18 +116,17 @@ public class Rsx : AbstractBase
// Calculate RSI components
double change = Input.Value - _prevValue;
double gain = Math.Max(change, 0);
double loss = Math.Max(-change, 0);
var (gain, loss) = CalculateGainLoss(change);
_prevValue = Input.Value;
// Calculate RSI
_avgGain.Calc(gain, IsNew: Input.IsNew);
_avgLoss.Calc(loss, IsNew: Input.IsNew);
double rsi = (_avgLoss.Value > 0) ? 100 - (100 / (1 + (_avgGain.Value / _avgLoss.Value))) : 100;
_avgGain.Calc(gain, Input.IsNew);
_avgLoss.Calc(loss, Input.IsNew);
double rsi = CalculateRsi(_avgGain.Value, _avgLoss.Value);
// Apply JMA smoothing
double rsx = _rsx.Calc(rsi, Input.IsNew);
_rsx.Calc(rsi, Input.IsNew);
return rsx;
return _rsx.Value;
}
}