fix win compile

Mesh/highOrderTools.cpp

@@ -32,6 +32,7 @@
 #include "linearSystemCSR.h"
 #include "linearSystemFull.h"
 #include "linearSystemPETSc.h"
+#include "OS.h"
 
 #define SQU(a)      ((a)*(a))
 
@@ -614,18 +615,18 @@ double highOrderTools::apply_incremental_displacement (double max_incr,
   //+++++++++ Assembly  & Solve ++++++++++++++++++++++++++++++++++++
   if (myAssembler.sizeOfR()){
     // assembly of the elasticity term on the
-    clock_t t1 = clock();
+    double t1 = Cpu();
     for (unsigned int i = 0; i < v.size(); i++){
       SElement se(v[i]);
       if (mixed)El_mixed.addToMatrix(myAssembler, &se);
       else El.addToMatrix(myAssembler, &se);
     }
-    clock_t t2 = clock();
+    double t2 = Cpu();
     // solve the system
-    printf("coucou3 %12.5E\n",(double)(t2-t1)/CLOCKS_PER_SEC);
+    printf("coucou3 %12.5E\n", t2-t1);
     lsys->systemSolve();
-    clock_t t3 = clock();
-    printf("coucou4 %12.5E\n",(double)(t3-t2)/CLOCKS_PER_SEC);
+    double t3 = Cpu();
+    printf("coucou4 %12.5E\n", t3-t2);
   }
 
   //+++++++++ Move vertices @ maximum ++++++++++++++++++++++++++++++++++++