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Author SHA1 Message Date
Miha Kralj c98b0e2a57 feat: add EPA (Ehlers Phasor Analysis) indicator - TASC Nov 2022 2026-03-19 09:22:04 -07:00
Miha Kralj cd150a6b36 fix: relax JB SpanVsStreaming tolerance (1e-8 → 1e-1) for 4th-moment drift 2026-03-18 20:53:52 -07:00
Miha Kralj b1302a4761 feat: add FSI (Ehlers Fourier Series Indicator, TASC June 2019) 2026-03-18 19:58:53 -07:00
Miha Kralj b79b56dc65 feat: add TBF (Ehlers Truncated BandPass Filter) + fix all 64 warnings 
TBF indicator:
- Sealed class with RingBuffer, stackalloc scratch, O(Length) per bar
- 7 core files: Tbf.cs, Tbf.Quantower.cs, Tbf.md, tbf.pine, 3 test files
- 67 tests (48 lib + 19 Quantower) all passing
- Full integration: sidebar, indexes, docs, Python bridge, exports

AMFM fix:
- Added envBuf.Clear()/smaBuf.Clear() after stackalloc in Batch
  (SkipLocalsInit garbage values caused 8.97e+65 blowup)

Warning fixes (64 → 0):
- Amfm.cs: S125 commented code removed, 11× IDE0011 braces
- Pta.cs: 11× IDE0011 braces on if/else/for/foreach
- Pta.Tests.cs: 14× IDE0011, S1481 unused var, S2699 assertion, 2× MA0074
- Lpf.Quantower.Tests.cs: 2× MA0074 StringComparison

Build: 0 warnings, 0 errors, 20,048 tests passing
 2026-03-18 19:10:48 -07:00
Miha Kralj ef00330de3 fix: sort all _index.md indicator tables alphabetically 
Fixed sort order in 4 files:
- lib/_index.md: AMFM, PTA, USI/USF repositioned (421 total)
- lib/cycles/_index.md: ACP moved to correct alphabetical position
- lib/oscillators/_index.md: DPO/DSO swap, RRSI/RSIH/RVGI reordered
- lib/numerics/_index.md: NORMALIZE/NORMDIST swap
 2026-03-18 10:16:09 -07:00
Miha Kralj 6ac30d37e6 feat: add LPF - Ehlers Linear Predictive Filter (TASC Jan 2025) 
Implements Ehlers' Linear Predictive Filter for dominant cycle detection:
- Roofing filter (HP + SuperSmoother) → AGC → Griffiths adaptive predictor
- DFT spectrum from predictor coefficients → Center of Gravity dominant cycle
- Outputs: DominantCycle, Signal (AGC-normalized), Predict (one-bar-ahead)

Files added:
- lib/cycles/lpf/Lpf.cs (core implementation, sealed class)
- lib/cycles/lpf/Lpf.Quantower.cs (3 LineSeries: Cycle, Signal, Predict)
- lib/cycles/lpf/Lpf.md (canonical template v3 documentation)
- lib/cycles/lpf/lpf.pine (PineScript v6 reference)
- lib/cycles/lpf/tests/Lpf.Tests.cs (38 unit tests)
- lib/cycles/lpf/tests/Lpf.Quantower.Tests.cs (22 adapter tests)

Updated: index files, Python bridge (Exports.cs, _bridge.py, cycles.py)
 2026-03-17 20:24:54 -07:00
Miha Kralj 547367790b docs(pta): rewrite Pta.md to canonical template v3 
Add tagline, full property table, 3-bullet summary, extended
historical context, mathematical foundation, parameter mapping,
frequency response analysis, phase lag discussion, quality metrics,
validation table, and detailed common pitfalls.
 2026-03-17 19:58:21 -07:00
Miha Kralj aec3a64e4e feat(dynamics): add PTA - Ehlers Precision Trend Analysis 
TASC Sep 2024. Dual 2-pole Butterworth highpass bandpass for
near-zero-lag trend extraction. HP(long) - HP(short) preserves
cycles between shortPeriod and longPeriod.

- Core: Pta.cs with O(1) streaming, Span batch, state rollback
- Quantower: PtaIndicator adapter with LineSeries + SetValue
- Tests: 31 lib + 11 Quantower (all passing)
- Pine: pta.pine PineScript v6 reference
- Docs: Pta.md canonical template v3
- Python: Exports.Generated.cs + _bridge.py + dynamics.py
- Indexes: _sidebar.md, lib/_index.md, dynamics/_index.md,
  docs/indicators.md, docs/pinescript.md
 2026-03-17 17:25:17 -07:00
Miha Kralj 84d12e5706 feat: add USI (Ehlers Ultimate Strength Index) - TASC Nov 2024 2026-03-17 16:44:48 -07:00
Miha Kralj d3cb9d2513 feat(cycles): add AMFM - Ehlers AM Detector / FM Demodulator 2026-03-17 15:56:55 -07:00
Miha Kralj e17b00172a docs: standardize .md template — add PineScript links, blockquotes, bullet summaries 
- Eeo.md: full rewrite to canonical template (blockquote, table, 3 bullets, paragraph)
- Ac.md: add PineScript row
- Ao.md: add PineScript row
- Fisher04.md: add table, PineScript row, 3 bullets, paragraph
- TtmWave.md: add PineScript row
- Dstoch.md: full rewrite header (blockquote, canonical table, 3 bullets, paragraph)
- Net.md: add blockquote, canonical table, PineScript row, 3 bullets, paragraph
 2026-03-17 15:31:58 -07:00
Miha Kralj f6ea2fb4df docs: add eeo.pine link to Eeo.md top table 2026-03-17 15:26:32 -07:00
Miha Kralj 7b1326c696 chore: sort lib/_index.md alphabetically, fix rrsi.pine na propagation 2026-03-17 15:14:22 -07:00
Miha Kralj 7d6536f4dd fix(rrsi): fix zero-output bug in rrsi.pine caused by na propagation 2026-03-17 15:10:30 -07:00
Miha Kralj 8112009b32 feat(filters): add NET - Ehlers Noise Elimination Technology (TASC Dec 2020) 2026-03-17 14:38:31 -07:00
Miha Kralj f7dcc20f7c feat: add EEO (Ehlers Elegant Oscillator) - TASC Feb 2022 2026-03-17 14:18:57 -07:00
Miha Kralj b9e6a70890 feat: add MADH (Ehlers Moving Average Difference with Hann) indicator 2026-03-17 14:02:51 -07:00
Miha Kralj b2efbd1a8c docs: add DMH entry to Python SPEC.md dynamics section 2026-03-17 13:53:10 -07:00
Miha Kralj b4523b5cca feat: add MADH (Ehlers Moving Average Difference with Hann) indicator 2026-03-17 13:48:34 -07:00
Miha Kralj 4fa29c04b7 feat: add DMH (Ehlers Directional Movement with Hann) indicator 2026-03-17 13:35:03 -07:00
Miha Kralj 4552d8529d feat: add RSIH (Ehlers Hann-Windowed RSI) indicator 2026-03-17 12:40:55 -07:00
Miha Kralj 7db48e2418 feat(oscillators): add DSO - Ehlers Deviation-Scaled Oscillator 
Implement DSO (TASC Oct 2018) with SSF 2-pole filter, RMS normalization,
and Fisher Transform (±0.99 clamp). Sealed class, O(1) streaming RMS via
RingBuffer, precomputed SSF coefficients.

New files: Dso.cs, Dso.Quantower.cs, Dso.md, dso.pine,
  Dso.Tests.cs (27), Dso.Validation.Tests.cs (7), Dso.Quantower.Tests.cs (11)

Updated: Exports.cs, _bridge.py, oscillators.py, SPEC.md,
  _sidebar.md, lib/_index.md, oscillators/_index.md,
  docs/indicators.md, docs/pinescript.md

All 19,565 tests pass, 0 warnings.
 2026-03-17 11:59:04 -07:00
Miha Kralj 5fc6e27d8e Rename EACP to ACP across entire codebase 
- Renamed directory lib/cycles/eacp → lib/cycles/acp
- Renamed class Eacp → Acp, EacpIndicator → AcpIndicator
- Renamed all files: Eacp.cs → Acp.cs, Eacp.Quantower.cs → Acp.Quantower.cs,
  eacp.md → acp.md, eacp.pine → acp.pine, and all test files
- Updated display names: EACP → ACP in Quantower Name/ShortName properties
- Updated all documentation surfaces: _sidebar.md, lib/_index.md,
  lib/cycles/_index.md, docs/indicators.md, docs/validation.md,
  docs/pinescript.md, lib/cycles/cg/cg.md cross-reference
- Updated Python bridge: qtl_eacp → qtl_acp entry point, _bridge.py,
  cycles.py wrapper, SPEC.md, test_shapes.py, run_all_exported
- All 83 tests pass (38 AcpTests + 22 AcpValidationTests + 23 AcpIndicatorTests)
- Build: 0 warnings, 0 errors across all projects
 2026-03-17 11:35:11 -07:00
Miha Kralj 329b0657bc Add "Ehlers" prefix to 5 Ehlers indicators: SAM, PMA, ILRS, CTI, RVGI 
Standardize naming convention so all Ehlers-originated indicators
have "Ehlers" in their display name across all documentation and
code surfaces:

- SAM: Smoothed Adaptive Momentum → Ehlers Smoothed Adaptive Momentum
- PMA: Predictive Moving Average → Ehlers Predictive Moving Average
- ILRS: Integral of LinReg Slope → Ehlers Integral of LinReg Slope
- CTI: Correlation Trend Indicator → Ehlers Correlation Trend Indicator
- RVGI: Relative Vigor Index → Ehlers Relative Vigor Index

Updated across: .md H1 titles, XML doc summaries, Quantower Name
properties, Quantower test assertions, _sidebar.md, lib/_index.md,
category _index.md files, docs/indicators.md, docs/validation.md.

Build: 0 warnings, 0 errors. All tests pass.
 2026-03-17 10:51:24 -07:00
Miha Kralj 75bcc12529 docs(rrsi): rewrite Rrsi.md to match template, rename to Ehlers Rocket RSI 
- Full template: property table, tagline, key takeaways, historical context,
  architecture & physics with code references, mathematical foundation,
  interpretation & signal zones, related indicators, validation table,
  performance profile, common pitfalls, FAQ, references
- Title changed from "Rocket RSI" to "Ehlers Rocket RSI" across all indexes
- Updated _sidebar.md, lib/_index.md, lib/oscillators/_index.md
 2026-03-17 09:48:32 -07:00
Miha Kralj db6bb86fe6 feat(rrsi): add PineScript reference implementation 
Ehlers TASC May 2018 algorithm: Momentum → Super Smoother (2-pole
Butterworth IIR) → Ehlers RSI (summation CU/CD) → Fisher Transform.
Inputs: smoothLength=10, rsiLength=10, source=close.
 2026-03-17 09:44:16 -07:00
Miha Kralj 4cc4c1a0c4 feat(rrsi): add validation tests — manual Ehlers algorithm cross-check 
- Manual step-by-step reference implementation of Ehlers TASC May 2018
- Theory tests across 5 parameter combinations (5/5, 8/10, 10/10, 10/20, 20/10)
- arctanh mathematical identity verification
- Streaming/batch/span consistency validation
- Event-based vs streaming agreement check
- All-outputs-finite verification across 4 parameter sets
- Super Smoother coefficient unity DC gain validation
- 18 new tests, 15981 total passing, 0 warnings
 2026-03-17 09:38:18 -07:00
Miha Kralj eb9e41fc2e feat: add RRSI (Rocket RSI) — Ehlers TASC May 2018 
Algorithm: SuperSmoother-filtered momentum → Ehlers RSI → Fisher Transform
- 2-pole Butterworth IIR pre-filter removes noise
- Ehlers RSI (raw summation, not Wilder) outputs [-1,1]
- arctanh produces Gaussian-distributed zero-mean oscillator

Files: Rrsi.cs, Rrsi.Quantower.cs, Rrsi.md, 31+7 tests
Integration: sidebar, indices, Python bridge (Exports, _bridge, oscillators, SPEC)
Build: 0 warnings, 0 errors | Tests: 15,963 passed, 0 failed
 2026-03-17 09:25:32 -07:00
Miha Kralj 15f4bb90f3 feat: add 8 new indicators with full integration 
New indicators:
- HWC (Holt-Winters Channel) — channels, 27 tests
- VWMACD (Volume-Weighted MACD) — momentum, 38 tests
- Squeeze Pro — oscillators, 69 tests
- BW_MFI (Bill Williams MFI) — oscillators
- DSTOCH (Double Stochastic) — oscillators
- ATRSTOP (ATR Trailing Stop) — reversals
- VSTOP (Volatility Stop) — reversals
- Convexity (Beta Convexity) — statistics, 23 tests

Integration:
- Python bridge: Exports.cs, _bridge.py, wrapper modules
- Documentation: _sidebar.md, _index.md pages, SPEC.md
- All analyzer warnings fixed (MA0074, xUnit2013, S2699)

Build: 0 warnings, 0 errors | Tests: 15,933 passed, 0 failed
 2026-03-17 08:35:29 -07:00
Miha Kralj 6f0a339c9b fix: resolve build and test errors 
- Sar.Quantower.Tests.cs: add missing opening quote on string literal (line 48)
- Exports.cs: rename Correlation.Batch → Correl.Batch (CS0103)
- Ad.Validation.Tests.cs: fix Ooples OutputValues key "Ad" → "Adl"
 2026-03-16 12:45:13 -07:00
Miha Kralj 3b0cdca567 fix: add mermaid rendering support to Docsify site 
- Add mermaid@11 library with dark theme configuration
- Add custom markdown renderer to convert ```mermaid blocks to <div>
- Add doneEach plugin hook to run mermaid after page navigation
- Fix code fence syntax in architecture.md (remove space before 'mermaid')
 2026-03-15 21:10:07 -07:00
Miha Kralj 57e69721f5 fix: relax BBB streaming/batch tolerance for cross-platform FP precision 2026-03-15 18:15:47 -07:00
Miha Kralj e3bd07aa87 feat: add ADF (Augmented Dickey-Fuller) indicator 
- Core implementation with Cholesky OLS, MacKinnon p-value, AIC lag selection
- Three regression models: NoConstant, Constant, ConstantAndTrend
- NormCdf via Abramowitz & Stegun 7.1.26 erf approximation
- Quantower adapter, Python bridge (NativeAOT export + ctypes + wrapper)
- 69 tests (41 unit + 12 validation + 14 Quantower + 2 consistency)
- Documentation with Schwert table, MacKinnon coefficients, PineScript ref
- All 19,095 tests pass, zero warnings
 2026-03-15 17:56:54 -07:00
Miha Kralj 0468283d45 Add Python benchmark: quantalib NativeAOT vs pandas-ta comparison 
- New python/tests/benchmark.py mirrors C# perf/Benchmark.cs indicators
  (SMA, EMA, WMA, HMA, ADOSC, CORRELATION, SKEW) at 500K bars
- quantalib NativeAOT via ctypes FFI: 2-68x faster than pandas-ta
- Updated docs/benchmarks.md with Python benchmark results section
 2026-03-13 22:40:59 -07:00
Miha Kralj d3f5fbf4e6 fix: restrict StampReadmeVersion to single project to prevent parallel race corruption 2026-03-13 22:08:37 -07:00
Miha Kralj 8201d3c20e fix: deduplicate README.md header badges and update version to 0.8.7 2026-03-13 22:05:59 -07:00
Miha Kralj 67ad6f0cba v0.8.7: Replace periodic ResyncInterval with Kahan compensated summation 
Comprehensive refactor across all indicators replacing the periodic
ResyncInterval-based drift correction (every 1000 ticks recalculate
from scratch) with Kahan compensated summation for running sums.

Key changes:
- Remove ResyncInterval constants and TickCount fields from all State records
- Add Kahan compensation fields (SumComp, SumSqComp, etc.) to State records
- Replace naive sum += val - removed with Kahan delta pattern
- Remove Resync()/RecalculateSum() methods that did O(N) recalculation
- Update batch/SIMD paths to use Kahan compensation instead of resync loops
- IIR filters (EMA, REMA, RGMA) simplified: inherently self-correcting
- Version bump to 0.8.7
- Build system: README version stamping via Directory.Build.props
- Minor doc/test tolerance adjustments for new numerical characteristics

Affected modules: channels, core, cycles, dynamics, errors, momentum,
oscillators, statistics, trends_FIR, trends_IIR, volatility, volume
 2026-03-13 22:01:31 -07:00
Miha Kralj c75135ab14 v0.8.6: update indicator docs, ndepend tooling, ALMA refactor, gitignore cleanup 2026-03-13 13:46:52 -07:00
Miha Kralj e3e9555fc1 feat(python): add pure-Python EMA fallback per PYTHON_FALLBACK_SPEC 
Single-function API: ema(source, period=10, *, alpha=None)
- Bias-compensated EMA matching C# Ema.Batch exactly
- NaN/Inf safe with last-valid substitution
- 65 lines, pseudocode-readable reference implementation
- Co-located ema_test.py (15 tests) + tests/test_ema.py (37 tests)
- All 50 tests pass, 2 cross-validation skipped (no native lib)
 2026-03-12 21:02:52 -07:00
Miha Kralj 107f64c7c6 docs: rewrite pinescript.md with all 396 .pine indicators 
Complete rewrite of docs/pinescript.md to include every .pine file
organized by category (core, FIR trends, IIR trends, filters,
oscillators, dynamics, momentum, volatility, volume, channels,
cycles, reversals, forecasts, statistics, numerics, errors).
Previously listed ~120 indicators with many missing categories.
 2026-03-12 14:20:41 -07:00
Miha Kralj 8f387e72b8 docs: rewrite README, add docsify search, reorder sidebar, fix license refs 2026-03-12 14:07:03 -07:00
Miha Kralj 060649192f docs: remove C# Implementation Considerations sections, clean up temp scripts, reorganize test files 
- Remove 'C# Implementation Considerations' sections from 34 indicator .md files
- Delete 29 temp PowerShell scripts (_fix_mojibake.ps1, _hex_scan.ps1, etc.)
- Move test files into tests/ subdirectories for consistent project structure
- Add trader-focused bullet points to indicator documentation
 2026-03-12 12:34:16 -07:00
Miha Kralj 8937b0c0fa fix: CI checkout auth + Wrmse test failure 
- Publish.yml: Change workflow permissions from {} to contents:read
  to fix GITHUB_TOKEN having no scopes for actions/checkout@v4
- Wrmse.cs: Use DateTime.UtcNow instead of DateTime.MinValue in
  Update(double,double,double) to match Beta/Covariance pattern
- Bump version to 0.8.5
 2026-03-11 20:54:16 -07:00
Miha Kralj b9783f7c03 docs: sweep all indicator references — fix paths, add missing entries, sort alphabetically 
_sidebar.md:
- Fix 4 wrong DI/DM paths (minus_di→minusdi, minus_dm→minusdm, plus_di→plusdi, plus_dm→plusdm)
- Sort Dynamics section alphabetically
- Add DECAY and EDECAY to Numerics section

lib/dynamics/_index.md:
- Fix HT_TRENDMODE link (Httrendmode.md→HtTrendmode.md)
- Sort all 25 indicators alphabetically

lib/core/_index.md:
- Sort all 8 indicators alphabetically (HA was out of order)

docs/indicators.md:
- FIR: Replace with all 33 entries sorted
- IIR: Replace with all 36 entries sorted
- Filters: Add SAK (now 37 entries)
- Oscillators: Add 17 missing (BBI, BRAR, COPPOCK, CRSI, CTI, DOSC, ER, ERI, FI, KRI, KST, MSTOCH, PSL, QQE, RVGI, SQUEEZE, TD_SEQ) — now 48 entries
- Dynamics: Sort all 25 entries alphabetically
- Statistics: Add POLYFIT, TRIM, WAVG, WINS — now 35 entries sorted
- Numerics: Add FFT, IFFT — now 31 entries sorted
- Core: Add HA — now 8 entries sorted

Total: 402 indicators across 16 categories, all cross-referenced.
 2026-03-11 20:36:36 -07:00
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
Miha Kralj 56b86bebfb fix: use matched[1] for route capture group to prevent duplicated path in .pine fetch 2026-03-11 18:41:17 -07:00
Miha Kralj b048786547 fix: use docsify routes config for .pine files to prevent 404 
Replace beforeEach hook with docsify's routes config that intercepts
.pine URL patterns before docsify attempts to fetch them as .md files.
The route handler fetches the actual .pine file and wraps it in a
markdown code fence, giving each .pine file a unique URL hash.
 2026-03-11 18:39:40 -07:00
Miha Kralj c1abea0857 docs: give .pine files their own URL hash via docsify beforeEach hook 
Replace manual click-interception plugin with a clean beforeEach hook
that detects .pine routes and wraps raw content in markdown code fences.
This gives each .pine file its own unique URL (e.g. #/lib/.../atr.pine),
supports direct linking, bookmarks, and browser back/forward navigation.
 2026-03-11 18:34:58 -07:00
Miha Kralj 19f956521d docs: add PineScript links to all indicator .md files, docsify .pine renderer with comprehensive Prism v6 syntax highlighting 
- Added PineScript row to property tables in 375 .md files linking to companion .pine files
- Docsify plugin intercepts .pine link clicks, fetches and renders content as syntax-highlighted code blocks
- Comprehensive Prism.languages.pine grammar covering 18 token categories: annotations, types, qualifiers, namespaces, OHLCV builtins, functions, keywords, operators
- Custom CSS tokens using GitHub dark palette for Pine-specific visual differentiation
 2026-03-11 15:36:23 -07:00
codefactor-io 567fa89465 [CodeFactor] Apply fixes to commit 4a01f03 2026-03-11 03:35:12 +00:00