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Remove multiple Pine Script indicators: SSFDSP, STARCHANNEL, STBANDS, STC, UBANDS, UCHANNEL, VWAPBANDS, and VWAPSD. These indicators were deleted to streamline the library and remove unused or redundant code.

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This commit is contained in:
Miha Kralj
2026-02-20 18:44:56 -08:00
parent 3dd05f23e4
commit cbeefc9d64
283 changed files with 23963 additions and 3838 deletions
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lib/cycles/eacp/Eacp.cs
+27 -12
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@@ -56,7 +56,8 @@ public sealed class Eacp : AbstractBase
double Hp0, double Hp1, double Hp2,
double Filt0, double Filt1, double Filt2,
double Dom, double DomPower, double MaxPwr,
int BarCount, double LastValidValue
int BarCount, double LastValidValue,
double WarmupDecay, bool InWarmup
);
private State _s;
@@ -128,7 +129,7 @@ public sealed class Eacp : AbstractBase
// Initialize state
double initialDom = (minPeriod + maxPeriod) * 0.5;
_s = new State(0, 0, 0, 0, 0, 0, 0, 0, 0, initialDom, 0, 0, 0, 0);
_s = new State(0, 0, 0, 0, 0, 0, 0, 0, 0, initialDom, 0, 0, 0, 0, 1.0, true);
_ps = _s;
}
@@ -205,12 +206,14 @@ public sealed class Eacp : AbstractBase
// Compute power spectrum via DFT
ComputePowerSpectrum();
// Find dominant cycle
var (dom, domPower, maxPwr) = FindDominantCycle(s.Dom, s.MaxPwr);
// Find dominant cycle (with warmup compensation)
var (dom, domPower, maxPwr, warmupDecay, inWarmup) =
FindDominantCycle(s.Dom, s.MaxPwr, s.WarmupDecay, s.InWarmup);
// Update state
_s = new State(price0, price1, price2, hp0, hp1, hp2, filt0, filt1, filt2,
dom, domPower, maxPwr, barCount, s.LastValidValue);
dom, domPower, maxPwr, barCount, s.LastValidValue,
warmupDecay, inWarmup);
Last = new TValue(input.Time, dom);
PubEvent(Last, isNew);
@@ -314,12 +317,14 @@ public sealed class Eacp : AbstractBase
double sq = cosAcc * cosAcc + sinAcc * sinAcc;
// Smooth the power spectrum (EMA-like smoothing)
_smooth[period] = 0.2 * sq + 0.8 * _smooth[period];
// Power squared per Ehlers: emphasizes spectral peaks, suppresses noise
_smooth[period] = Math.FusedMultiplyAdd(0.2, sq * sq, 0.8 * _smooth[period]);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private (double dom, double domPower, double maxPwr) FindDominantCycle(double prevDom, double prevMaxPwr)
private (double dom, double domPower, double maxPwr, double warmupDecay, bool inWarmup)
FindDominantCycle(double prevDom, double prevMaxPwr, double prevWarmupDecay, bool prevInWarmup)
{
// Find local maximum power
double localMaxPwr = 0;
@@ -368,9 +373,19 @@ public sealed class Eacp : AbstractBase
// Calculate dominant cycle - use prevDom as fallback
double baseDom = sumWeight >= 0.25 ? weighted / sumWeight : prevDom;
// Apply EMA smoothing (alpha = 0.2) - this is the PineScript formula
// dom := alpha*(base-dom)+dom which equals dom + alpha*(base-dom)
double dom = prevDom + 0.2 * (baseDom - prevDom);
// Apply EMA smoothing (alpha = 0.2, beta = 0.8)
double dom = Math.FusedMultiplyAdd(0.2, baseDom - prevDom, prevDom);
// Warmup compensation §2: correct EMA bias during early bars
double warmupDecay = prevWarmupDecay;
bool inWarmup = prevInWarmup;
if (inWarmup)
{
warmupDecay *= 0.8; // beta = 1 - alpha = 0.8
double c = 1.0 / (1.0 - warmupDecay);
dom *= c;
inWarmup = warmupDecay > 1e-10;
}
// Ensure dom stays within bounds
dom = Math.Clamp(dom, _minPeriod, _maxPeriod);
@@ -379,13 +394,13 @@ public sealed class Eacp : AbstractBase
int domIdx = Math.Clamp((int)Math.Round(dom), _minPeriod, _maxPeriod);
double domPower = Math.Clamp(_power[domIdx], 0.0, 1.0);
return (dom, domPower, maxPwr);
return (dom, domPower, maxPwr, warmupDecay, inWarmup);
}
public override void Reset()
{
double initialDom = (_minPeriod + _maxPeriod) * 0.5;
_s = new State(0, 0, 0, 0, 0, 0, 0, 0, 0, initialDom, 0, 0, 0, 0);
_s = new State(0, 0, 0, 0, 0, 0, 0, 0, 0, initialDom, 0, 0, 0, 0, 1.0, true);
_ps = _s;
_filtHistory.Clear();
Array.Clear(_corr);