comment out not working items in the GUI

[lttv.git] / ltt / branches / poly / include / ltt / time.h

diff --git a/ltt/branches/poly/include/ltt/time.h b/ltt/branches/poly/include/ltt/time.h
index 4f8094330647ec3927c5040a8579a56cb0e23922..dc0f8ecb67186a0af560c5c2e8a5ae4b4839536f 100644 (file)
--- a/ltt/branches/poly/include/ltt/time.h
+++ b/ltt/branches/poly/include/ltt/time.h
@@ -43,13 +43,21 @@ static inline LttTime ltt_time_add(LttTime t1, LttTime t2)
 
 static inline LttTime ltt_time_mul(LttTime t1, float f)
 {
-  double nsec;
   LttTime res;
+  float d = 1.0/f;
+  double sec;
 
-  nsec = (double)t1.tv_nsec * f;
-  res.tv_sec = nsec / NANOSECONDS_PER_SECOND;
-  res.tv_nsec = nsec - res.tv_sec * NANOSECONDS_PER_SECOND;
-  res.tv_sec += t1.tv_sec * f;
+  if(f == 0.0){
+    res.tv_sec = 0;
+    res.tv_nsec = 0;
+  }else{
+    sec = t1.tv_sec / (double)d;
+    res.tv_sec = sec;
+    res.tv_nsec = t1.tv_nsec / (double)d + (sec - res.tv_sec) *
+                  NANOSECONDS_PER_SECOND;
+    res.tv_sec += res.tv_nsec / NANOSECONDS_PER_SECOND;
+    res.tv_nsec %= NANOSECONDS_PER_SECOND;
+  }
   return res;
 }
 
@@ -63,6 +71,8 @@ static inline LttTime ltt_time_div(LttTime t1, float f)
   res.tv_sec = sec;
   res.tv_nsec = t1.tv_nsec / (double)f + (sec - res.tv_sec) *
       NANOSECONDS_PER_SECOND;
+  res.tv_sec += res.tv_nsec / NANOSECONDS_PER_SECOND;
+  res.tv_nsec %= NANOSECONDS_PER_SECOND;
   return res;
 }