fix: compiler error

Author: dancixx

src/stochastic/autoregressive/agrach.rs

@@ -136,60 +136,6 @@ impl SamplingExt<f64> for AGARCH<f64> {
     x
   }
 
-  fn n(&self) -> usize {
-    #[cfg(not(feature = "simd"))]
-    self.n
-  }
-
-  #[cfg(feature = "simd")]
-  fn sample_simd(&self) -> Array1<f32> {
-    use crate::stats::distr::normal::SimdNormal;
-
-    let p = self.alpha.len();
-    let q = self.beta.len();
-
-    // Generate white noise
-    let z = Array1::random(self.n, SimdNormal::new(0.0, 1.0));
-
-    // Arrays for X_t and sigma_t^2
-    let mut x = Array1::<f32>::zeros(self.n);
-    let mut sigma2 = Array1::<f32>::zeros(self.n);
-
-    // Summation for unconditional variance init
-    let sum_alpha: f32 = self.alpha.iter().sum();
-    let sum_delta_half: f32 = self.delta.iter().sum::<f32>() * 0.5;
-    let sum_beta: f32 = self.beta.iter().sum();
-    let denom = (1.0 - sum_alpha - sum_delta_half - sum_beta).max(1e-8);
-
-    for t in 0..self.n {
-      if t == 0 {
-        sigma2[t] = self.omega / denom;
-      } else {
-        let mut var_t = self.omega;
-        // p-lag terms
-        for i in 1..=p {
-          if t >= i {
-            let x_lag = x[t - i];
-            let indicator = if x_lag < 0.0 { 1.0 } else { 0.0 };
-
-            var_t +=
-              self.alpha[i - 1] * x_lag.powi(2) + self.delta[i - 1] * x_lag.powi(2) * indicator;
-          }
-        }
-        // q-lag terms
-        for j in 1..=q {
-          if t >= j {
-            var_t += self.beta[j - 1] * sigma2[t - j];
-          }
-        }
-        sigma2[t] = var_t;
-      }
-      x[t] = sigma2[t].sqrt() * z[t];
-    }
-
-    x
-  }
-
   fn n(&self) -> usize {
     self.n
   }