diff --git a/EgtGeomKernel.vcxproj b/EgtGeomKernel.vcxproj
index 64b4702..c207774 100644
--- a/EgtGeomKernel.vcxproj
+++ b/EgtGeomKernel.vcxproj
@@ -176,7 +176,7 @@ copy $(TargetPath) \EgtProg\DllD64</Command>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;_WINDOWS;I_AM_EGK;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <OpenMPSupport>false</OpenMPSupport>
+      <OpenMPSupport>true</OpenMPSupport>
       <CompileAs>CompileAsCpp</CompileAs>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
@@ -189,6 +189,7 @@ copy $(TargetPath) \EgtProg\DllD64</Command>
       </AdditionalOptions>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -222,7 +223,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;_WINDOWS;I_AM_EGK;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <OpenMPSupport>false</OpenMPSupport>
+      <OpenMPSupport>true</OpenMPSupport>
       <CompileAs>CompileAsCpp</CompileAs>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
@@ -232,6 +233,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <FloatingPointModel>Precise</FloatingPointModel>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/VolZmapCalculus.cpp b/VolZmapCalculus.cpp
index 5acfd78..395d286 100644
--- a/VolZmapCalculus.cpp
+++ b/VolZmapCalculus.cpp
@@ -734,7 +734,7 @@ VolZmap::IntersLineCylinder( const Point3d& ptLineSt, const Vector3d& vtLineDir,
    }
    
   // Determino le intersezioni con la superficie laterale del cilindro
-   DBLVECTOR vdCoef(3) ;
+   DBLVECTOR vdCoef( 3) ;
    double dSqRad = dRad * dRad ;
    vdCoef[0] = ptP.x * ptP.x + ptP.y * ptP.y - dSqRad ;
    vdCoef[1] = 2 * ( ptP.x * vtV.x + ptP.y * vtV.y) ;