ParabolicSar fix.

Author: mikasoukhov

Algo/Indicators/ParabolicSar.cs

@@ -272,7 +272,7 @@ protected override IIndicatorValue OnProcess(IIndicatorValue input)
 			IsFormed = true;
 
 		var b = _buf;
-		var val = b.Calculate(_candles, this.GetCurrentValue(), Acceleration, AccelerationMax, AccelerationStep, input.IsFinal, input.ToCandle());
+		var val = b.Calculate(input.IsFinal ? _candles : [.. _candles], this.GetCurrentValue(), Acceleration, AccelerationMax, AccelerationStep, input.IsFinal, input.ToCandle());
 
 		if (input.IsFinal)
 			_buf = b;

Tests/IndicatorTests.cs

@@ -60,11 +60,6 @@ public void StateNonFinalInput()
 
 		foreach (var type in GetIndicatorTypes())
 		{
-			if	(
-				type.Indicator == typeof(ParabolicSar)
-				)
-				continue;
-
 			var indicator = type.CreateIndicator();
 			indicator.IsFormed.AssertFalse();