use ccQtHelpers::GetMaxThreadCount

PointFeature.cpp

@@ -89,6 +89,9 @@ constexpr const char* LAS_FIELD_NAMES[22] = {"X",
 //CCLib
 #include <WeibullDistribution.h>
 
+//CCPluginAPI
+#include <ccQtHelpers.h>
+
 //system
 #include <assert.h>
 
@@ -424,7 +427,7 @@ static bool ComputeMathOpWithNearestNeighbor(	const CorePoints& corePoints,
 	error.clear();
 #ifndef _DEBUG
 #if defined(_OPENMP)
-#pragma omp parallel for num_threads(std::max(1, omp_get_max_threads() - 2))
+#pragma omp parallel for num_threads(ccQtHelpers::GetMaxThreadCount(omp_get_max_threads()))
 #endif
 #endif
 	for (int i = 0; i < static_cast<int>(pointCount); ++i)