From db4c38842e9a48e03a4739308f26a320d7a605dd Mon Sep 17 00:00:00 2001
From: gqian-coder <queena.gongq@gmail.com>
Date: Wed, 6 Aug 2025 13:55:55 -0400
Subject: [PATCH 1/3] change the quantizer size calculated in Hierarchy.hpp to
 be level-wise uniform

---
 include/mgard-x/Hierarchy/Hierarchy.hpp | 21 ++++-----------------
 1 file changed, 4 insertions(+), 17 deletions(-)

diff --git a/include/mgard-x/Hierarchy/Hierarchy.hpp b/include/mgard-x/Hierarchy/Hierarchy.hpp
index 065f842031..c2a721e34c 100644
--- a/include/mgard-x/Hierarchy/Hierarchy.hpp
+++ b/include/mgard-x/Hierarchy/Hierarchy.hpp
@@ -171,23 +171,10 @@ void Hierarchy<D, T, DeviceType>::calc_volume(SIZE dof, T *dist, T *volume,
   }
   MemoryManager<DeviceType>::Copy1D(h_dist, dist, dof, 0);
   DeviceRuntime<DeviceType>::SyncQueue(0);
-  if (dof == 2) {
-    h_volume[0] = h_dist[0] / 2;
-    h_volume[1] = h_dist[0] / 2;
-  } else {
-    int node_coeff_div = dof / 2 + 1;
-    h_volume[0] = h_dist[0] / 2;
-    for (int i = 1; i < dof - 1; i++) {
-      if (i % 2 == 0) { // node
-        h_volume[i / 2] = (h_dist[i - 1] + h_dist[i]) / 2;
-      } else { // coeff
-        h_volume[node_coeff_div + i / 2] = (h_dist[i - 1] + h_dist[i]) / 2;
-      }
-    }
-    if (dof % 2 != 0) {
-      h_volume[node_coeff_div - 1] = h_dist[dof - 2] / 2;
-    } else {
-      h_volume[node_coeff_div - 1] = h_dist[dof - 1] / 2;
+  // level-wise uniform quantizer
+  if (dof > 1) {
+    for (int i = 0; i < dof; i++) {
+        h_volume[i] = 1.0/ (T)(dof-1);
     }
   }
 

From 8a938494770716fa71689f6b3424d0eb2ebdb2dd Mon Sep 17 00:00:00 2001
From: gqian-coder <queena.gongq@gmail.com>
Date: Wed, 6 Aug 2025 14:06:42 -0400
Subject: [PATCH 2/3] fix a clang-format issue

---
 include/mgard-x/Hierarchy/Hierarchy.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mgard-x/Hierarchy/Hierarchy.hpp b/include/mgard-x/Hierarchy/Hierarchy.hpp
index c2a721e34c..3fa5daca62 100644
--- a/include/mgard-x/Hierarchy/Hierarchy.hpp
+++ b/include/mgard-x/Hierarchy/Hierarchy.hpp
@@ -174,7 +174,7 @@ void Hierarchy<D, T, DeviceType>::calc_volume(SIZE dof, T *dist, T *volume,
   // level-wise uniform quantizer
   if (dof > 1) {
     for (int i = 0; i < dof; i++) {
-        h_volume[i] = 1.0/ (T)(dof-1);
+      h_volume[i] = 1.0 / (T)(dof - 1); 
     }
   }
 

From 4f2fb9dd3edb8bbc4c34bbd139175224d1871458 Mon Sep 17 00:00:00 2001
From: gqian-coder <queena.gongq@gmail.com>
Date: Wed, 6 Aug 2025 14:33:16 -0400
Subject: [PATCH 3/3] fix a clang format issue again...

---
 include/mgard-x/Hierarchy/Hierarchy.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mgard-x/Hierarchy/Hierarchy.hpp b/include/mgard-x/Hierarchy/Hierarchy.hpp
index 3fa5daca62..3baf968f9d 100644
--- a/include/mgard-x/Hierarchy/Hierarchy.hpp
+++ b/include/mgard-x/Hierarchy/Hierarchy.hpp
@@ -174,7 +174,7 @@ void Hierarchy<D, T, DeviceType>::calc_volume(SIZE dof, T *dist, T *volume,
   // level-wise uniform quantizer
   if (dof > 1) {
     for (int i = 0; i < dof; i++) {
-      h_volume[i] = 1.0 / (T)(dof - 1); 
+      h_volume[i] = 1.0 / (T)(dof - 1);
     }
   }