linux-optimizer 0.1.0

Linux system optimizer and performance tuning tool
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// src/newton/hadden.rs
pub struct HaddenDetector {
    history: Vec<f64>,
    max_history: usize,
}

impl HaddenDetector {
    pub fn new(max_history: usize) -> Self {
        Self {
            history: Vec::with_capacity(max_history),
            max_history,
        }
    }
    
    pub fn add_value(&mut self, value: f64) {
        self.history.push(value);
        if self.history.len() > self.max_history {
            self.history.remove(0);
        }
    }
    
    pub fn detect_peak(&self, dt_secs: f64) -> Option<(f64, f64)> {
        if self.history.len() < 3 { return None; }
        
        let len = self.history.len();
        let y1 = self.history[len - 3];
        let y2 = self.history[len - 2];
        let y3 = self.history[len - 1];
        
        let a = (y3 - 2.0 * y2 + y1) / (2.0 * dt_secs * dt_secs);
        if a >= 0.0 { return None; }
        
        let b = (y3 - y1) / (2.0 * dt_secs);
        let t_peak = -b / (2.0 * a);
        
        if t_peak < -dt_secs || t_peak > dt_secs { return None; }
        
        let peak_value = a * t_peak * t_peak + b * t_peak + y2;
        let avg_value = (y1 + y2 + y3) / 3.0;
        let severity = if avg_value > 0.0 { peak_value / avg_value } else { 1.0 };
        
        Some((severity, peak_value))
    }
}