Merge ../simgrid

[simgrid.git] / src / simdag / sd_global.c

diff --git a/src/simdag/sd_global.c b/src/simdag/sd_global.c
index 00512b1..2294740 100644 (file)
--- a/src/simdag/sd_global.c
+++ b/src/simdag/sd_global.c
@@ -229,13 +229,14 @@ xbt_swag_t SD_simulate_swag(double how_long) {
   unsigned int iter, depcnt;
   static int first_time = 1;
 
-   if (first_time) {
-     XBT_VERB("Starting simulation...");
+  if (first_time) {
+    XBT_VERB("Starting simulation...");
 
-     surf_presolve();            /* Takes traces into account */
-     first_time = 0;
-   }
+    surf_presolve();            /* Takes traces into account */
+    first_time = 0;
+  }
 
+  XBT_VERB("Run simulation for %f seconds", how_long);
   sd_global->watch_point_reached = 0;
 
   xbt_swag_reset(sd_global->return_set);
@@ -250,7 +251,7 @@ xbt_swag_t SD_simulate_swag(double how_long) {
   /* main loop */
   elapsed_time = 0.0;
   while (elapsed_time >= 0.0 &&
-         (how_long < 0.0 || total_time < how_long) &&
+         (how_long < 0.0 || 0.00001 < (how_long -total_time)) &&
          !sd_global->watch_point_reached) {
     surf_model_t model = NULL;
     /* dumb variables */
@@ -258,7 +259,7 @@ xbt_swag_t SD_simulate_swag(double how_long) {
 
     XBT_DEBUG("Total time: %f", total_time);
 
-    elapsed_time = surf_solve(how_long > 0 ? surf_get_clock() + how_long : -1.0);
+    elapsed_time = surf_solve(how_long > 0 ? surf_get_clock() + how_long - total_time: -1.0);
     XBT_DEBUG("surf_solve() returns %f", elapsed_time);
     if (elapsed_time > 0.0)
       total_time += elapsed_time;