refactor: use uint64_t instead of long long for morton codes

tmc3/AttributeDecoder.cpp

@@ -392,11 +392,11 @@ AttributeDecoder::decodeReflectancesRaht(
     int x = int(position[0]);
     int y = int(position[1]);
     int z = int(position[2]);
-    long long mortonCode = 0;
+    uint64_t mortonCode = 0;
     for (int b = 0; b < aps.raht_depth; b++) {
-      mortonCode |= (long long)((x >> b) & 1) << (3 * b + 2);
-      mortonCode |= (long long)((y >> b) & 1) << (3 * b + 1);
-      mortonCode |= (long long)((z >> b) & 1) << (3 * b);
+      mortonCode |= (uint64_t)((x >> b) & 1) << (3 * b + 2);
+      mortonCode |= (uint64_t)((y >> b) & 1) << (3 * b + 1);
+      mortonCode |= (uint64_t)((z >> b) & 1) << (3 * b);
     }
     packedVoxel[n].mortonCode = mortonCode;
     packedVoxel[n].index = n;
@@ -404,7 +404,7 @@ AttributeDecoder::decodeReflectancesRaht(
   sort(packedVoxel.begin(), packedVoxel.end());
 
   // Morton codes
-  long long* mortonCode = new long long[voxelCount];
+  uint64_t* mortonCode = new uint64_t[voxelCount];
   for (int n = 0; n < voxelCount; n++) {
     mortonCode[n] = packedVoxel[n].mortonCode;
   }
@@ -460,11 +460,11 @@ AttributeDecoder::decodeColorsRaht(
     int x = int(position[0]);
     int y = int(position[1]);
     int z = int(position[2]);
-    long long mortonCode = 0;
+    uint64_t mortonCode = 0;
     for (int b = 0; b < aps.raht_depth; b++) {
-      mortonCode |= (long long)((x >> b) & 1) << (3 * b + 2);
-      mortonCode |= (long long)((y >> b) & 1) << (3 * b + 1);
-      mortonCode |= (long long)((z >> b) & 1) << (3 * b);
+      mortonCode |= (uint64_t)((x >> b) & 1) << (3 * b + 2);
+      mortonCode |= (uint64_t)((y >> b) & 1) << (3 * b + 1);
+      mortonCode |= (uint64_t)((z >> b) & 1) << (3 * b);
     }
     packedVoxel[n].mortonCode = mortonCode;
     packedVoxel[n].index = n;
@@ -472,7 +472,7 @@ AttributeDecoder::decodeColorsRaht(
   sort(packedVoxel.begin(), packedVoxel.end());
 
   // Morton codes
-  long long* mortonCode = new long long[voxelCount];
+  uint64_t* mortonCode = new uint64_t[voxelCount];
   for (int n = 0; n < voxelCount; n++) {
     mortonCode[n] = packedVoxel[n].mortonCode;
   }

tmc3/AttributeEncoder.cpp

@@ -664,11 +664,11 @@ AttributeEncoder::encodeReflectancesTransformRaht(
     int x = int(position[0]);
     int y = int(position[1]);
     int z = int(position[2]);
-    long long mortonCode = 0;
+    uint64_t mortonCode = 0;
     for (int b = 0; b < aps.raht_depth; b++) {
-      mortonCode |= (long long)((x >> b) & 1) << (3 * b + 2);
-      mortonCode |= (long long)((y >> b) & 1) << (3 * b + 1);
-      mortonCode |= (long long)((z >> b) & 1) << (3 * b);
+      mortonCode |= (uint64_t)((x >> b) & 1) << (3 * b + 2);
+      mortonCode |= (uint64_t)((y >> b) & 1) << (3 * b + 1);
+      mortonCode |= (uint64_t)((z >> b) & 1) << (3 * b);
     }
     packedVoxel[n].mortonCode = mortonCode;
     packedVoxel[n].index = n;
@@ -676,7 +676,7 @@ AttributeEncoder::encodeReflectancesTransformRaht(
   sort(packedVoxel.begin(), packedVoxel.end());
 
   // Allocate arrays.
-  long long* mortonCode = new long long[voxelCount];
+  uint64_t* mortonCode = new uint64_t[voxelCount];
   const int attribCount = 1;
   FixedPoint* attributes = new FixedPoint[attribCount * voxelCount];
   int* integerizedAttributes = new int[attribCount * voxelCount];
@@ -749,11 +749,11 @@ AttributeEncoder::encodeColorsTransformRaht(
     int x = int(position[0]);
     int y = int(position[1]);
     int z = int(position[2]);
-    long long mortonCode = 0;
+    uint64_t mortonCode = 0;
     for (int b = 0; b < aps.raht_depth; b++) {
-      mortonCode |= (long long)((x >> b) & 1) << (3 * b + 2);
-      mortonCode |= (long long)((y >> b) & 1) << (3 * b + 1);
-      mortonCode |= (long long)((z >> b) & 1) << (3 * b);
+      mortonCode |= (uint64_t)((x >> b) & 1) << (3 * b + 2);
+      mortonCode |= (uint64_t)((y >> b) & 1) << (3 * b + 1);
+      mortonCode |= (uint64_t)((z >> b) & 1) << (3 * b);
     }
     packedVoxel[n].mortonCode = mortonCode;
     packedVoxel[n].index = n;
@@ -761,7 +761,7 @@ AttributeEncoder::encodeColorsTransformRaht(
   sort(packedVoxel.begin(), packedVoxel.end());
 
   // Allocate arrays.
-  long long* mortonCode = new long long[voxelCount];
+  uint64_t* mortonCode = new uint64_t[voxelCount];
   const int attribCount = 3;
   FixedPoint* attributes = new FixedPoint[attribCount * voxelCount];
   int* integerizedAttributes = new int[attribCount * voxelCount];

tmc3/RAHT.cpp

@@ -136,7 +136,7 @@ rahtFixedPointInverseRotation(
 void
 regionAdaptiveHierarchicalTransform(
   FixedPoint quantStepSizeLuma,
-  long long* mortonCode,
+  uint64_t* mortonCode,
   FixedPoint* attributes,
   uint64_t* weight,
   int* binaryLayer,
@@ -151,7 +151,7 @@ regionAdaptiveHierarchicalTransform(
 
   FixedPoint* attributesTransformed = new FixedPoint[voxelCount * attribCount];
   uint64_t* weightTransformed = new uint64_t[voxelCount];
-  long long* mortonCodeTransformed = new long long[voxelCount];
+  uint64_t* mortonCodeTransformed = new uint64_t[voxelCount];
 
   d = 0;
   while (N > 1 || d % 2) {
@@ -235,7 +235,7 @@ regionAdaptiveHierarchicalTransform(
 void
 regionAdaptiveHierarchicalInverseTransform(
   FixedPoint quantStepSizeLuma,
-  long long* mortonCode,
+  uint64_t* mortonCode,
   FixedPoint* attributes,
   uint64_t* weight,
   const int attribCount,
@@ -249,21 +249,21 @@ regionAdaptiveHierarchicalInverseTransform(
 
   FixedPoint* attributesTransformed = new FixedPoint[voxelCount * attribCount];
   uint64_t* weightTransformed = new uint64_t[voxelCount];
-  long long* mortonCodeTransformed = new long long[voxelCount];
+  uint64_t* mortonCodeTransformed = new uint64_t[voxelCount];
 
-  long long** mortonCodeBuffer;
+  uint64_t** mortonCodeBuffer;
   uint64_t** weightBuffer;
   size_t* M_buffer;
   {
     size_t depth = 0;
-    long long maxMortonCode = mortonCode[voxelCount - 1];
+    uint64_t maxMortonCode = mortonCode[voxelCount - 1];
 
     while (maxMortonCode--) {
       depth++;
       maxMortonCode >>= 1;
     }
 
-    mortonCodeBuffer = new long long*[depth + 1];
+    mortonCodeBuffer = new uint64_t*[depth + 1];
     weightBuffer = new uint64_t*[depth + 1];
     M_buffer = new size_t[depth + 1];
   }
@@ -285,7 +285,7 @@ regionAdaptiveHierarchicalInverseTransform(
   // Re-obtain weights at the decoder by partially executing the encoder
   d = 0;
   while (N > 1) {
-    long long* _mortonCode = new long long[M];
+    uint64_t* _mortonCode = new uint64_t[M];
     uint64_t* _weight = new uint64_t[M];
 
     M_buffer[d] = M;

tmc3/RAHT.h

@@ -43,7 +43,7 @@ namespace pcc {
 
 void regionAdaptiveHierarchicalTransform(
   FixedPoint quantStepSizeLuma,
-  long long* mortonCode,
+  uint64_t* mortonCode,
   FixedPoint* attributes,
   uint64_t* weight,
   int* binaryLayer,
@@ -53,7 +53,7 @@ void regionAdaptiveHierarchicalTransform(
 
 void regionAdaptiveHierarchicalInverseTransform(
   FixedPoint quantStepSizeLuma,
-  long long* mortonCode,
+  uint64_t* mortonCode,
   FixedPoint* attributes,
   uint64_t* weight,
   const int attribCount,