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Miha Kralj
2025-12-18 13:51:06 -08:00
parent 5d03dec741
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lib/trends/hma/Hma.md
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@@ -48,51 +48,6 @@ Our implementation orchestrates three internal `Wma` instances.
**Configuration note:** HMA is significantly faster than SMA or EMA. An HMA(20) is often faster than an EMA(10).
## C# Usage
### Streaming Updates (Single Instance)
```csharp
using QuanTAlib;
var hma = new Hma(period: 14);
// Process each new bar
TValue result = hma.Update(new TValue(timestamp, closePrice));
Console.WriteLine($"HMA: {result.Value:F2}");
// Check if buffer is full
if (hma.IsHot)
{
// Indicator is fully initialized
}
```
### Batch Processing (Historical Data)
```csharp
// TSeries API
TSeries prices = ...;
TSeries hmaValues = Hma.Batch(prices, period: 14);
// Span API (High Performance)
double[] prices = new double[1000];
double[] output = new double[1000];
Hma.Calculate(prices.AsSpan(), output.AsSpan(), period: 14);
```
### Bar Correction (isNew Parameter)
```csharp
var hma = new Hma(14);
// New bar
hma.Update(new TValue(time, 100), isNew: true);
// Intra-bar update
hma.Update(new TValue(time, 101), isNew: false); // Replaces 100 with 101
```
## Performance Profile
| Operation | Complexity | Description |
@@ -154,3 +109,48 @@ This implementation makes specific trade-offs:
- Hull, Alan. "Active Investing." Wrightbooks, 2005.
- [Alan Hull's Official HMA Description](https://alan.hull.com.au/hma.html)
## C# Usage
### Streaming Updates (Single Instance)
```csharp
using QuanTAlib;
var hma = new Hma(period: 14);
// Process each new bar
TValue result = hma.Update(new TValue(timestamp, closePrice));
Console.WriteLine($"HMA: {result.Value:F2}");
// Check if buffer is full
if (hma.IsHot)
{
// Indicator is fully initialized
}
```
### Batch Processing (Historical Data)
```csharp
// TSeries API
TSeries prices = ...;
TSeries hmaValues = Hma.Batch(prices, period: 14);
// Span API (High Performance)
double[] prices = new double[1000];
double[] output = new double[1000];
Hma.Calculate(prices.AsSpan(), output.AsSpan(), period: 14);
```
### Bar Correction (isNew Parameter)
```csharp
var hma = new Hma(14);
// New bar
hma.Update(new TValue(time, 100), isNew: true);
// Intra-bar update
hma.Update(new TValue(time, 101), isNew: false); // Replaces 100 with 101
```