Fixed a few code style issues, added #ifdef USE_OPENMP

3d-viewer/3d_mesh_model.cpp

@@ -31,6 +31,10 @@
 #include <3d_mesh_model.h>
 #include <boost/geometry/algorithms/area.hpp>
 
+#ifdef USE_OPENMP
+#include <omp.h>
+#endif /* USE_OPENMP */
+
 S3D_MESH::S3D_MESH()
 {
     isPerFaceNormalsComputed = false;
@@ -359,7 +363,9 @@ void S3D_MESH::calcPerPointNormals ()
     m_PerFaceVertexNormals.resize( m_CoordIndex.size() );
 
     // for each face A in mesh
+    #ifdef USE_OPENMP
     #pragma omp parallel for
+    #endif
     for( unsigned int each_face_A_idx = 0; each_face_A_idx < m_CoordIndex.size(); each_face_A_idx++ )
     {
         // n = face A facet normal