Fix facediv_int z indexing (#5239)

WeiqunZhang · web-flow · commit 57f121fb54d8 · 2026-03-27T11:04:09.000-07:00
diff --git a/Src/AmrCore/AMReX_Interp_3D_C.H b/Src/AmrCore/AMReX_Interp_3D_C.H
@@ -223,7 +223,7 @@ facediv_int (int ci, int cj, int ck, int nf,
 {
     const int fi = ci*ratio[0];
     const int fj = cj*ratio[1];
-    const int fk = ck*ratio[1];
+    const int fk = ck*ratio[2];
 
     // References to fine exterior values needed for interior calculation.
     const Real u000 = fine[0](fi,   fj  , fk  , nf);

Original file line number	Diff line number	Diff line change
`@@ -223,7 +223,7 @@ facediv_int (int ci, int cj, int ck, int nf,`
`223`	`223`	`{`
`224`	`224`	`const int fi = ci*ratio[0];`
`225`	`225`	`const int fj = cj*ratio[1];`
`226`		`- const int fk = ck*ratio[1];`
	`226`	`+ const int fk = ck*ratio[2];`
`227`	`227`
`228`	`228`	`// References to fine exterior values needed for interior calculation.`
`229`	`229`	`const Real u000 = fine[0](fi, fj , fk , nf);`