Comment in divu about extRho

AMReX-Combustion · Oct 21, 2024 · 71604de · 71604de
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commit 71604de
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diff --git a/Source/PeleLMeX_K.H b/Source/PeleLMeX_K.H
@@ -239,6 +239,7 @@ compute_divu(
     n *= 1.0e-4_rt; // CGS -> MKS conversion
   }
 
+  // Note: divu does not depend on extRho. See docs and PR #428 for details.
   amrex::Real denominv = 1.0_rt / (rho * cpmix * T(i, j, k));
   divu(i, j, k) =
     (specEnthDiff(i, j, k) + tempDiff(i, j, k) + extRhoH(i, j, k)) * denominv;