Fix compiler warnings

src/LASRstages/info.cpp

@@ -75,7 +75,7 @@ bool LASRinfo::process(LASheader*& h)
 
   int nextrabytes = 0;
   const char* name_table[10] = { "unsigned char", "char", "unsigned short", "short", "unsigned long", "long", "unsigned long long", "long long", "float", "double" };
-  for (int i = 0 ; i < h->number_of_variable_length_records ; i++)
+  for (unsigned int i = 0 ; i < h->number_of_extended_variable_length_records ; i++)
   {
     LASvlr vlr = h->vlrs[i];
 

src/LASRstages/ivf.cpp

@@ -24,10 +24,10 @@ bool LASRivf::process(LAS*& las)
   rymax = ROUNDANY(rymax + 0.5 * res, res);
   rzmax = ROUNDANY(rzmax + 0.5 * res, res);
 
-  size_t length = (rxmax - rxmin) / res;
-  size_t width  = (rymax - rymin) / res;
-  size_t height = (rzmax - rzmin) / res;
-  size_t nvoxels = length*width*height;
+  int length = (rxmax - rxmin) / res;
+  int width  = (rymax - rymin) / res;
+  int height = (rzmax - rzmin) / res;
+  size_t nvoxels = (size_t)length*(size_t)width*(size_t)height;
 
   if (!force_map && nvoxels < INT_MAX/sizeof(int)) // 256 MB
   {

src/LASRstages/localmaximum.cpp

@@ -95,7 +95,7 @@ bool LASRlocalmaximum::process(LAS*& las)
   bool main_thread = omp_get_thread_num() == 0;
 
   #pragma omp parallel for num_threads(ncpu)
-  for (auto i = 0 ; i < las->npoints ; ++i)
+  for (size_t i = 0 ; i < las->npoints ; ++i)
   {
     if (progress->interrupted()) continue;
 

src/LASRstages/nnmetrics.cpp

@@ -57,7 +57,7 @@ bool LASRnnmetrics::process(LAS*& las)
   lm.resize(maxima.size());
 
   #pragma omp parallel for num_threads(ncpu) firstprivate(metrics)
-  for (int i = 0 ; i < maxima.size() ; i++)
+  for (size_t i = 0 ; i < maxima.size() ; i++)
   {
     if (progress->interrupted()) continue;
 

src/LASRstages/svd.cpp

@@ -133,7 +133,7 @@ bool LASRsvd::process(LAS*& las)
   bool main_thread = omp_get_thread_num() == 0;
 
   #pragma omp parallel for num_threads(ncpu)
-  for (int i = 0 ; i < las->npoints ; i++)
+  for (size_t i = 0 ; i < las->npoints ; i++)
   {
     if (progress->interrupted()) continue;