Files
QuanTAlib/lib/dynamics/plusdi/DiDm.Validation.Tests.cs
T
Miha Kralj 33d20f2a18 feat(dynamics): add PlusDI, MinusDI, PlusDM, MinusDM indicators
Complete thin Dx-composition wrapper indicators with full test coverage:

- PlusDi/MinusDi: Directional Indicator wrappers (DiPlus/DiMinus from Dx)
- PlusDm/MinusDm: Directional Movement wrappers (DmPlus/DmMinus from Dx)
- Individual validation tests per indicator directory (TALib, Skender, bounds)
- Combined unit tests (DiDm.Tests.cs) and validation tests (DiDm.Validation.Tests.cs)
- Quantower wrappers + tests for all 4 indicators
- PineScript v6 implementations with compensated RMA
- Normalized .md documentation for all indicators and categories
- 182 tests passing, 0 failures
2026-03-11 20:21:52 -07:00

819 lines
27 KiB
C#

using OoplesFinance.StockIndicators;
using OoplesFinance.StockIndicators.Models;
using OoplesFinance.StockIndicators.Enums;
using Skender.Stock.Indicators;
using TALib;
using QuanTAlib.Tests;
namespace QuanTAlib;
/// <summary>
/// Combined validation tests for PlusDi, MinusDi, PlusDm, MinusDm.
/// Cross-validates against TA-Lib, Skender, Ooples, and Dx equivalence.
/// </summary>
public sealed class DiDmValidationTests : IDisposable
{
private readonly ValidationTestData _data;
public DiDmValidationTests()
{
_data = new ValidationTestData();
}
public void Dispose()
{
_data.Dispose();
}
// ═══════════════════════════════════════════════
// TA-Lib Validation
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_MatchesTalib()
{
var indicator = new PlusDi(14);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] cData = _data.Bars.Close.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.PlusDI(hData, lData, cData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.PlusDILookback(14);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
[Fact]
public void MinusDi_MatchesTalib()
{
var indicator = new MinusDi(14);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] cData = _data.Bars.Close.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.MinusDI(hData, lData, cData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.MinusDILookback(14);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
[Fact]
public void PlusDm_MatchesTalib()
{
var indicator = new PlusDm(14);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.PlusDM(hData, lData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.PlusDMLookback(14);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
[Fact]
public void MinusDm_MatchesTalib()
{
var indicator = new MinusDm(14);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.MinusDM(hData, lData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.MinusDMLookback(14);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
// ═══════════════════════════════════════════════
// Skender Validation
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_MatchesSkender()
{
var indicator = new PlusDi(14);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
var skenderResults = _data.SkenderQuotes.GetAdx(14).ToList();
ValidationHelper.VerifyData(results, skenderResults, x => x.Pdi);
}
[Fact]
public void MinusDi_MatchesSkender()
{
var indicator = new MinusDi(14);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
var skenderResults = _data.SkenderQuotes.GetAdx(14).ToList();
ValidationHelper.VerifyData(results, skenderResults, x => x.Mdi);
}
// ═══════════════════════════════════════════════
// Dx Equivalence
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_ExactlyMatchesDx_DiPlus()
{
var indicator = new PlusDi(14);
var dx = new Dx(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
dx.Update(_data.Bars[i]);
Assert.Equal(dx.DiPlus.Value, indicator.Last.Value, 1e-12);
}
}
[Fact]
public void MinusDi_ExactlyMatchesDx_DiMinus()
{
var indicator = new MinusDi(14);
var dx = new Dx(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
dx.Update(_data.Bars[i]);
Assert.Equal(dx.DiMinus.Value, indicator.Last.Value, 1e-12);
}
}
[Fact]
public void PlusDm_ExactlyMatchesDx_DmPlus()
{
var indicator = new PlusDm(14);
var dx = new Dx(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
dx.Update(_data.Bars[i]);
Assert.Equal(dx.DmPlus.Value, indicator.Last.Value, 1e-12);
}
}
[Fact]
public void MinusDm_ExactlyMatchesDx_DmMinus()
{
var indicator = new MinusDm(14);
var dx = new Dx(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
dx.Update(_data.Bars[i]);
Assert.Equal(dx.DmMinus.Value, indicator.Last.Value, 1e-12);
}
}
// ═══════════════════════════════════════════════
// Self-Consistency: Batch == Streaming
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_BatchEqualsStreaming()
{
var batchResults = PlusDi.Batch(_data.Bars, 14);
var streaming = new PlusDi(14);
var streamResults = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
streamResults.Add(streaming.Update(_data.Bars[i]).Value);
}
Assert.Equal(streamResults.Count, batchResults.Count);
for (int i = 0; i < batchResults.Count; i++)
{
Assert.Equal(streamResults[i], batchResults.Values[i], 1e-9);
}
}
[Fact]
public void MinusDi_BatchEqualsStreaming()
{
var batchResults = MinusDi.Batch(_data.Bars, 14);
var streaming = new MinusDi(14);
var streamResults = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
streamResults.Add(streaming.Update(_data.Bars[i]).Value);
}
Assert.Equal(streamResults.Count, batchResults.Count);
for (int i = 0; i < batchResults.Count; i++)
{
Assert.Equal(streamResults[i], batchResults.Values[i], 1e-9);
}
}
[Fact]
public void PlusDm_BatchEqualsStreaming()
{
var batchResults = PlusDm.Batch(_data.Bars, 14);
var streaming = new PlusDm(14);
var streamResults = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
streamResults.Add(streaming.Update(_data.Bars[i]).Value);
}
Assert.Equal(streamResults.Count, batchResults.Count);
for (int i = 0; i < batchResults.Count; i++)
{
Assert.Equal(streamResults[i], batchResults.Values[i], 1e-9);
}
}
[Fact]
public void MinusDm_BatchEqualsStreaming()
{
var batchResults = MinusDm.Batch(_data.Bars, 14);
var streaming = new MinusDm(14);
var streamResults = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
streamResults.Add(streaming.Update(_data.Bars[i]).Value);
}
Assert.Equal(streamResults.Count, batchResults.Count);
for (int i = 0; i < batchResults.Count; i++)
{
Assert.Equal(streamResults[i], batchResults.Values[i], 1e-9);
}
}
// ═══════════════════════════════════════════════
// Multi-Period TALib Validation
// ═══════════════════════════════════════════════
[Theory]
[InlineData(7)]
[InlineData(21)]
[InlineData(28)]
public void PlusDi_MatchesTalib_VariousPeriods(int period)
{
var indicator = new PlusDi(period);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] cData = _data.Bars.Close.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.PlusDI(hData, lData, cData, 0..^0, outReal, out var outRange, period);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.PlusDILookback(period);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
[Theory]
[InlineData(7)]
[InlineData(21)]
[InlineData(28)]
public void MinusDi_MatchesTalib_VariousPeriods(int period)
{
var indicator = new MinusDi(period);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] cData = _data.Bars.Close.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.MinusDI(hData, lData, cData, 0..^0, outReal, out var outRange, period);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.MinusDILookback(period);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
[Theory]
[InlineData(7)]
[InlineData(21)]
[InlineData(28)]
public void PlusDm_MatchesTalib_VariousPeriods(int period)
{
var indicator = new PlusDm(period);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.PlusDM(hData, lData, 0..^0, outReal, out var outRange, period);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.PlusDMLookback(period);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
[Theory]
[InlineData(7)]
[InlineData(21)]
[InlineData(28)]
public void MinusDm_MatchesTalib_VariousPeriods(int period)
{
var indicator = new MinusDm(period);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.MinusDM(hData, lData, 0..^0, outReal, out var outRange, period);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.MinusDMLookback(period);
ValidationHelper.VerifyData(results, outReal, outRange, lookback);
}
// ═══════════════════════════════════════════════
// Multi-Period Skender Validation
// ═══════════════════════════════════════════════
[Theory]
[InlineData(7)]
[InlineData(21)]
[InlineData(28)]
public void PlusDi_MatchesSkender_VariousPeriods(int period)
{
var indicator = new PlusDi(period);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
var skenderResults = _data.SkenderQuotes.GetAdx(period).ToList();
ValidationHelper.VerifyData(results, skenderResults, x => x.Pdi);
}
[Theory]
[InlineData(7)]
[InlineData(21)]
[InlineData(28)]
public void MinusDi_MatchesSkender_VariousPeriods(int period)
{
var indicator = new MinusDi(period);
var results = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
results.Add(indicator.Last.Value);
}
var skenderResults = _data.SkenderQuotes.GetAdx(period).ToList();
ValidationHelper.VerifyData(results, skenderResults, x => x.Mdi);
}
// ═══════════════════════════════════════════════
// Determinism: Consistent Across Multiple Runs
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_ConsistentAcrossMultipleRuns()
{
var ind1 = new PlusDi(14);
var ind2 = new PlusDi(14);
var results1 = new List<double>();
var results2 = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
ind1.Update(_data.Bars[i]);
results1.Add(ind1.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
ind2.Update(_data.Bars[i]);
results2.Add(ind2.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
Assert.Equal(results1[i], results2[i], 1e-10);
}
}
[Fact]
public void MinusDi_ConsistentAcrossMultipleRuns()
{
var ind1 = new MinusDi(14);
var ind2 = new MinusDi(14);
var results1 = new List<double>();
var results2 = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
ind1.Update(_data.Bars[i]);
results1.Add(ind1.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
ind2.Update(_data.Bars[i]);
results2.Add(ind2.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
Assert.Equal(results1[i], results2[i], 1e-10);
}
}
[Fact]
public void PlusDm_ConsistentAcrossMultipleRuns()
{
var ind1 = new PlusDm(14);
var ind2 = new PlusDm(14);
var results1 = new List<double>();
var results2 = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
ind1.Update(_data.Bars[i]);
results1.Add(ind1.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
ind2.Update(_data.Bars[i]);
results2.Add(ind2.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
Assert.Equal(results1[i], results2[i], 1e-10);
}
}
[Fact]
public void MinusDm_ConsistentAcrossMultipleRuns()
{
var ind1 = new MinusDm(14);
var ind2 = new MinusDm(14);
var results1 = new List<double>();
var results2 = new List<double>();
for (int i = 0; i < _data.Bars.Count; i++)
{
ind1.Update(_data.Bars[i]);
results1.Add(ind1.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
ind2.Update(_data.Bars[i]);
results2.Add(ind2.Last.Value);
}
for (int i = 0; i < _data.Bars.Count; i++)
{
Assert.Equal(results1[i], results2[i], 1e-10);
}
}
// ═══════════════════════════════════════════════
// Non-Negative Output Validation
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_OutputIsNonNegative()
{
var indicator = new PlusDi(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
Assert.True(indicator.Last.Value >= 0, $"PlusDi output at bar {i} was {indicator.Last.Value}");
}
}
[Fact]
public void MinusDi_OutputIsNonNegative()
{
var indicator = new MinusDi(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
Assert.True(indicator.Last.Value >= 0, $"MinusDi output at bar {i} was {indicator.Last.Value}");
}
}
[Fact]
public void PlusDm_OutputIsNonNegative()
{
var indicator = new PlusDm(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
Assert.True(indicator.Last.Value >= 0, $"PlusDm output at bar {i} was {indicator.Last.Value}");
}
}
[Fact]
public void MinusDm_OutputIsNonNegative()
{
var indicator = new MinusDm(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
Assert.True(indicator.Last.Value >= 0, $"MinusDm output at bar {i} was {indicator.Last.Value}");
}
}
// ═══════════════════════════════════════════════
// DI values bounded 0-100
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_OutputBounded0To100()
{
var indicator = new PlusDi(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
double val = indicator.Last.Value;
if (i >= 14)
{
Assert.True(val >= 0 && val <= 100, $"PlusDi at bar {i} was {val}, expected [0,100]");
}
}
}
[Fact]
public void MinusDi_OutputBounded0To100()
{
var indicator = new MinusDi(14);
for (int i = 0; i < _data.Bars.Count; i++)
{
indicator.Update(_data.Bars[i]);
double val = indicator.Last.Value;
if (i >= 14)
{
Assert.True(val >= 0 && val <= 100, $"MinusDi at bar {i} was {val}, expected [0,100]");
}
}
}
// ═══════════════════════════════════════════════
// Different Periods Produce Different Results
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_DifferentPeriods_ProduceDifferentResults()
{
var short14 = new PlusDi(7);
var long28 = new PlusDi(28);
for (int i = 0; i < _data.Bars.Count; i++)
{
short14.Update(_data.Bars[i]);
long28.Update(_data.Bars[i]);
}
Assert.NotEqual(short14.Last.Value, long28.Last.Value);
}
[Fact]
public void MinusDi_DifferentPeriods_ProduceDifferentResults()
{
var short14 = new MinusDi(7);
var long28 = new MinusDi(28);
for (int i = 0; i < _data.Bars.Count; i++)
{
short14.Update(_data.Bars[i]);
long28.Update(_data.Bars[i]);
}
Assert.NotEqual(short14.Last.Value, long28.Last.Value);
}
[Fact]
public void PlusDm_DifferentPeriods_ProduceDifferentResults()
{
var short14 = new PlusDm(7);
var long28 = new PlusDm(28);
for (int i = 0; i < _data.Bars.Count; i++)
{
short14.Update(_data.Bars[i]);
long28.Update(_data.Bars[i]);
}
Assert.NotEqual(short14.Last.Value, long28.Last.Value);
}
[Fact]
public void MinusDm_DifferentPeriods_ProduceDifferentResults()
{
var short14 = new MinusDm(7);
var long28 = new MinusDm(28);
for (int i = 0; i < _data.Bars.Count; i++)
{
short14.Update(_data.Bars[i]);
long28.Update(_data.Bars[i]);
}
Assert.NotEqual(short14.Last.Value, long28.Last.Value);
}
// ═══════════════════════════════════════════════
// OoplesFinance Structural Validation
// ═══════════════════════════════════════════════
[Fact]
public void DiDm_MatchesOoples_Structural()
{
// OoplesFinance.CalculateAverageDirectionalIndex produces Di+/Di- as part of ADX
var ooplesData = _data.SkenderQuotes
.Select(q => new TickerData
{
Date = q.Date,
Open = (double)q.Open,
High = (double)q.High,
Low = (double)q.Low,
Close = (double)q.Close,
Volume = (double)q.Volume
})
.ToList();
var stockData = new StockData(ooplesData);
var adxResults = stockData.CalculateAverageDirectionalIndex(MovingAvgType.WildersSmoothingMethod, 14);
// Verify the Ooples ADX calculation produces finite DI values
var allValues = adxResults.OutputValues.Values.SelectMany(v => v).ToList();
int finiteCount = allValues.Count(v => double.IsFinite(v));
Assert.True(finiteCount > 100, $"Expected >100 finite Ooples DI/DM values, got {finiteCount}");
}
// ═══════════════════════════════════════════════
// Batch Matches TALib
// ═══════════════════════════════════════════════
[Fact]
public void PlusDi_BatchMatchesTalib()
{
var batchResults = PlusDi.Batch(_data.Bars, 14);
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] cData = _data.Bars.Close.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.PlusDI(hData, lData, cData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.PlusDILookback(14);
ValidationHelper.VerifyData(batchResults.Select(x => x.Value).ToList(), outReal, outRange, lookback);
}
[Fact]
public void MinusDi_BatchMatchesTalib()
{
var batchResults = MinusDi.Batch(_data.Bars, 14);
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] cData = _data.Bars.Close.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.MinusDI(hData, lData, cData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.MinusDILookback(14);
ValidationHelper.VerifyData(batchResults.Select(x => x.Value).ToList(), outReal, outRange, lookback);
}
[Fact]
public void PlusDm_BatchMatchesTalib()
{
var batchResults = PlusDm.Batch(_data.Bars, 14);
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.PlusDM(hData, lData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.PlusDMLookback(14);
ValidationHelper.VerifyData(batchResults.Select(x => x.Value).ToList(), outReal, outRange, lookback);
}
[Fact]
public void MinusDm_BatchMatchesTalib()
{
var batchResults = MinusDm.Batch(_data.Bars, 14);
double[] hData = _data.Bars.High.Select(x => x.Value).ToArray();
double[] lData = _data.Bars.Low.Select(x => x.Value).ToArray();
double[] outReal = new double[_data.Bars.Count];
var retCode = Functions.MinusDM(hData, lData, 0..^0, outReal, out var outRange, 14);
Assert.Equal(TALib.Core.RetCode.Success, retCode);
int lookback = Functions.MinusDMLookback(14);
ValidationHelper.VerifyData(batchResults.Select(x => x.Value).ToList(), outReal, outRange, lookback);
}
}