add explanatory note

2025-01-17 14:08:40 +10:00
parent adb1dc90c8
commit e9b732faa5
1 changed files with 1 additions and 1 deletions
@@ -937,7 +937,7 @@ gmm_full<eT>::init_constants(const bool calc_chol)
          Mat<eT>& inv_fcov =  inv_fcovs.slice(g);
    
  //const bool inv_ok = auxlib::inv(tmp_inv, fcov);
-    const bool inv_ok = auxlib::inv_sympd(tmp_inv, fcov);
+    const bool inv_ok = auxlib::inv_sympd(tmp_inv, fcov);  // using inv_sympd() instead of inv() to ensure we can do cholesky decomp via op_chol
    
    eT log_det_val  = eT(0);
    eT log_det_sign = eT(0);