Use fixed-width integers to remove warnings (32bits)

Removes:

/<<PKGBUILDDIR>>/nanovdb/nanovdb/unittest/TestNanoVDB.cc:1729:16: warning: unsigned conversion from ‘long long int’ to ‘size_t’ {aka ‘unsigned int’} changes value from ‘45634923663’ to ‘2685250703’ [-Woverflow]
 1729 |       offset = 45634923663;
      |                ^~~~~~~~~~~
/<<PKGBUILDDIR>>/nanovdb/nanovdb/unittest/TestNanoVDB.cc:1757:16: warning: unsigned conversion from ‘long long int’ to ‘size_t’ {aka ‘unsigned int’} changes value from ‘45634923663’ to ‘2685250703’ [-Woverflow]
 1757 |       offset = 45634923663;
      |                ^~~~~~~~~~~
/<<PKGBUILDDIR>>/nanovdb/nanovdb/unittest/TestNanoVDB.cc: In member function ‘virtual void TestNanoVDB_BasicGrid_Test::TestBody()’:
/<<PKGBUILDDIR>>/nanovdb/nanovdb/unittest/TestNanoVDB.cc:2286:39: warning: narrowing conversion of ‘nanovdb::Grid<nanovdb::Tree<nanovdb::RootNode<nanovdb::InternalNode<nanovdb::InternalNode<nanovdb::LeafNode<float, nanovdb::Coord, nanovdb::Mask, 3>, 4>, 5> > > >::memUsage()’ from ‘uint64_t’ {aka ‘long long unsigned int’} to ‘size_t’ {aka ‘unsigned int’} [-Wnarrowing]
 2286 |     size_t bytes[6] = {GridT::memUsage(), TreeT::memUsage(), RootT::memUsage(1), NodeT2::memUsage(), NodeT1::memUsage(), LeafT::DataType::memUsage()};
      |                        ~~~~~~~~~~~~~~~^~
/<<PKGBUILDDIR>>/nanovdb/nanovdb/unittest/TestNanoVDB.cc:2286:58: warning: narrowing conversion of ‘nanovdb::Tree<nanovdb::RootNode<nanovdb::InternalNode<nanovdb::InternalNode<nanovdb::LeafNode<float, nanovdb::Coord, nanovdb::Mask, 3>, 4>, 5> > >::memUsage()’ from ‘uint64_t’ {aka ‘long long unsigned int’} to ‘size_t’ {aka ‘unsigned int’} [-Wnarrowing]
 2286 |     size_t bytes[6] = {GridT::memUsage(), TreeT::memUsage(), RootT::memUsage(1), NodeT2::memUsage(), NodeT1::memUsage(), LeafT::DataType::memUsage()};
      |                                           ~~~~~~~~~~~~~~~^~
/<<PKGBUILDDIR>>/nanovdb/nanovdb/unittest/TestNanoVDB.cc:2286:77: warning: narrowing conversion of ‘nanovdb::RootNode<nanovdb::InternalNode<nanovdb::InternalNode<nanovdb::LeafNode<float, nanovdb::Coord, nanovdb::Mask, 3>, 4>, 5> >::memUsage(1)’ from ‘uint64_t’ {aka ‘long long unsigned int’} to ‘size_t’ {aka ‘unsigned int’} [-Wnarrowing]
 2286 |     size_t bytes[6] = {GridT::memUsage(), TreeT::memUsage(), RootT::memUsage(1), NodeT2::memUsage(), NodeT1::memUsage(), LeafT::DataType::memUsage()};
      |                                                              ~~~~~~~~~~~~~~~^~~
/<<PKGBUILDDIR>>/nanovdb/nanovdb/unittest/TestNanoVDB.cc:2286:147: warning: narrowing conversion of ‘nanovdb::LeafData<float, nanovdb::Coord, nanovdb::Mask, 3>::memUsage()’ from ‘uint64_t’ {aka ‘long long unsigned int’} to ‘size_t’ {aka ‘unsigned int’} [-Wnarrowing]
 2286 |     size_t bytes[6] = {GridT::memUsage(), TreeT::memUsage(), RootT::memUsage(1), NodeT2::memUsage(), NodeT1::memUsage(), LeafT::DataType::memUsage()};
      |                                                                                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~^~

Signed-off-by: Mathieu Malaterre <mathieu.malaterre@gmail.com>

Author: malaterre

nanovdb/nanovdb/unittest/TestNanoVDB.cc

@@ -1723,7 +1723,7 @@ TEST_F(TestNanoVDB, InternalNodeValueMask)
       EXPECT_EQ(end-start, 28);// padding is 28 bytes
 
       // use padding for an offset and check that it doesn't interfere with other data
-      size_t &offset = *reinterpret_cast<size_t*>(&(data->mStdDevi)+1);
+      uint64_t &offset = *reinterpret_cast<uint64_t*>(&(data->mStdDevi)+1);
       data->mStdDevi = true;
       data->mTable[0].child = 123434214;
       offset = 45634923663;
@@ -1751,7 +1751,7 @@ TEST_F(TestNanoVDB, InternalNodeValueMask)
       EXPECT_EQ(end-start, 28);// padding is 28 bytes
 
       // use padding for an offset and check that it doesn't interfere with other data
-      size_t &offset = *reinterpret_cast<size_t*>(&(data->mStdDevi)+1);
+      uint64_t &offset = *reinterpret_cast<uint64_t*>(&(data->mStdDevi)+1);
       data->mStdDevi = true;
       data->mTable[0].child = 123434214;
       offset = 45634923663;
@@ -2283,7 +2283,7 @@ TEST_F(TestNanoVDB, BasicGrid)
     EXPECT_EQ(sizeof(TreeT), nanovdb::AlignUp<NANOVDB_DATA_ALIGNMENT>(4*8 + 3*4 + 3*4 + 8));
     EXPECT_EQ(sizeof(TreeT), size_t(4*8 + 3*4 + 3*4 + 8));// should already be 32 byte aligned
 
-    size_t bytes[6] = {GridT::memUsage(), TreeT::memUsage(), RootT::memUsage(1), NodeT2::memUsage(), NodeT1::memUsage(), LeafT::DataType::memUsage()};
+    uint64_t bytes[6] = {GridT::memUsage(), TreeT::memUsage(), RootT::memUsage(1), NodeT2::memUsage(), NodeT1::memUsage(), LeafT::DataType::memUsage()};
     for (int i = 1; i < 6; ++i)
         bytes[i] += bytes[i - 1]; // Byte offsets to: tree, root, internal nodes, leafs, total
     std::unique_ptr<uint8_t[]> pool(new uint8_t[bytes[5] + NANOVDB_DATA_ALIGNMENT]);