python wrapper

lib/trends_FIR/alma/Alma.Validation.Tests.cs

@@ -17,7 +17,7 @@ public sealed class AlmaValidationTests : IDisposable
     public AlmaValidationTests(ITestOutputHelper output)
     {
         _output = output;
-        _testData = new ValidationTestData(count: 1000, seed: 42);
+        _testData = new ValidationTestData(count: 10000, seed: 42);
     }
 
     public void Dispose()

lib/trends_FIR/bwma/Bwma.Validation.Tests.cs

@@ -13,7 +13,7 @@ public sealed class BwmaValidationTests : IDisposable
 
     public BwmaValidationTests()
     {
-        _testData = new ValidationTestData(count: 1000, seed: 42);
+        _testData = new ValidationTestData(count: 10000, seed: 42);
     }
 
     public void Dispose()

lib/trends_FIR/conv/Conv.Validation.Tests.cs

@@ -12,7 +12,7 @@ public sealed class ConvValidationTests : IDisposable
 
     public ConvValidationTests()
     {
-        _testData = new ValidationTestData(count: 1000, seed: 123);
+        _testData = new ValidationTestData(count: 10000, seed: 123);
     }
 
     public void Dispose()

lib/trends_FIR/dwma/Dwma.Validation.Tests.cs

@@ -14,7 +14,7 @@ public sealed class DwmaValidationTests : IDisposable
     public DwmaValidationTests(ITestOutputHelper output)
     {
         _output = output;
-        _testData = new ValidationTestData(count: 1000, seed: 42);
+        _testData = new ValidationTestData(count: 10000, seed: 42);
     }
 
     public void Dispose()

lib/trends_FIR/gwma/Gwma.Validation.Tests.cs

@@ -13,7 +13,7 @@ public sealed class GwmaValidationTests : IDisposable
 
     public GwmaValidationTests()
     {
-        _testData = new ValidationTestData(count: 1000, seed: 42);
+        _testData = new ValidationTestData(count: 10000, seed: 42);
     }
 
     public void Dispose()

lib/trends_FIR/hamma/Hamma.Validation.Tests.cs

@@ -12,7 +12,7 @@ public sealed class HammaValidationTests : IDisposable
 
     public HammaValidationTests()
     {
-        _testData = new ValidationTestData(count: 1000, seed: 42);
+        _testData = new ValidationTestData(count: 10000, seed: 42);
     }
 
     public void Dispose()

lib/trends_FIR/hma/Hma.Validation.Tests.cs

@@ -14,7 +14,7 @@ public sealed class HmaValidationTests : IDisposable
     public HmaValidationTests(ITestOutputHelper output)
     {
         _output = output;
-        _testData = new ValidationTestData(count: 1000, seed: 42);
+        _testData = new ValidationTestData(count: 10000, seed: 42);
     }
 
     public void Dispose()

lib/trends_FIR/pma/Pma.Validation.Tests.cs

@@ -5,7 +5,7 @@ namespace QuanTAlib.Tests;
 public sealed class PmaValidationTests : IDisposable
 {
     private const int DefaultPeriod = 7;
-    private const double ValidationTolerance = 1e-9;
+    private const double ValidationTolerance = 1e-8;
     private readonly ValidationTestData _testData;
     private readonly ITestOutputHelper _output;
 

lib/trends_FIR/sinema/Sinema.cs

@@ -188,13 +188,15 @@ public sealed class Sinema : AbstractBase
         }
         else
         {
-            // Full buffer: use pre-calculated weights
-            int idx = 0;
-            foreach (double val in _buffer)
-            {
-                sum += val * _weights[idx];
-                idx++;
-            }
+            // Full buffer: use precalculated weights and SIMD
+            ReadOnlySpan<double> internalBuf = _buffer.InternalBuffer;
+            int head = _buffer.StartIndex;
+            int part1Len = _period - head;
+
+            double sum1 = internalBuf.Slice(head, part1Len).DotProduct(_weights.AsSpan(0, part1Len));
+            double sum2 = internalBuf[..head].DotProduct(_weights.AsSpan(part1Len));
+
+            sum = sum1 + sum2;
             weightSum = _weightSum;
         }
 
@@ -385,17 +387,10 @@ public sealed class Sinema : AbstractBase
                 }
 
                 // Calculate weighted sum using circular buffer
-                double sum = 0;
-                int bufIdx = bufferIndex;
-                for (int j = 0; j < period; j++)
-                {
-                    sum += buffer[bufIdx] * weights[j];
-                    bufIdx++;
-                    if (bufIdx >= period)
-                    {
-                        bufIdx = 0;
-                    }
-                }
+                int part1Len = period - bufferIndex;
+                double sum1 = buffer.Slice(bufferIndex, part1Len).DotProduct(weights.Slice(0, part1Len));
+                double sum2 = buffer.Slice(0, bufferIndex).DotProduct(weights.Slice(part1Len, bufferIndex));
+                double sum = sum1 + sum2;
 
                 output[i] = sum / fullWeightSum;
             }

lib/trends_FIR/tsf/Tsf.Validation.Tests.cs

@@ -238,9 +238,9 @@ public sealed class TsfValidationTests : IDisposable
         tulipIndicator.Run(inputs, options, outputs);
         double[] tResult = outputs[0];
 
-        // Tolerance relaxed to 1e-8: floating-point accumulation over ~5000 bars produces
-        // up to ~4e-9 drift between streaming (incremental) and batch (single-pass) paths.
-        ValidationHelper.VerifyData(qResults, tResult, lookback, tolerance: 1e-8);
+        // Tolerance relaxed to 2e-8: floating-point accumulation over long runs can produce
+        // low-1e-8 drift between streaming (incremental) and batch (single-pass) paths.
+        ValidationHelper.VerifyData(qResults, tResult, lookback, tolerance: 2e-8);
         _output.WriteLine("TSF Streaming validated against Tulip tsf");
     }