fix compile on win32

contrib/HighOrderMeshOptimizer/OptHomRun.cpp

@@ -14,6 +14,7 @@
 #include "highOrderTools.h"
 #include "OptHomMesh.h"
 #include "OptHOM.h"
+#include "OS.h"
 #include <stack>
 
 #ifdef HAVE_FLTK
@@ -374,7 +375,7 @@ static std::vector<std::set<MElement*> > splitConnex(const std::set<MElement*> &
 void HighOrderMeshOptimizer (GModel *gm, OptHomParameters &p)
 {
 
-  clock_t t1 = clock();
+  double t1 = Cpu();
 
   int samples = 30;
 
@@ -404,7 +405,7 @@ void HighOrderMeshOptimizer (GModel *gm, OptHomParameters &p)
 
   double distMaxBND, distAvgBND, minJac, maxJac;
   if (p.dim == 2) {
-    clock_t tf1 = clock();;
+    double tf1 = Cpu();;
     for (GModel::fiter itf = gm->firstFace(); itf != gm->lastFace(); ++itf) {
       if (p.onlyVisible && !(*itf)->getVisibility())continue;
       int ITER = 0;
@@ -462,7 +463,7 @@ void HighOrderMeshOptimizer (GModel *gm, OptHomParameters &p)
 	//      ossF << "final_" << (*itf)->tag() << ".msh";
 	//      temp.mesh.writeMSH(ossF.str().c_str());
       }
-      double DTF = (double)(clock()-tf1) / CLOCKS_PER_SEC;
+      double DTF = Cpu()-tf1;
       if (p.SUCCESS == 1){
 	OptHomMessage("Optimization succeeded (CPU %g sec)",DTF);
       }
@@ -528,6 +529,6 @@ void HighOrderMeshOptimizer (GModel *gm, OptHomParameters &p)
       //      temp.mesh.writeMSH("final.msh");
     }
   }
-  clock_t t2 = clock();
-  p.CPU = (double)(t2-t1)/CLOCKS_PER_SEC;
+  double t2 = Cpu();
+  p.CPU = t2-t1;
 }