+/* Use ltt_time_to_double and ltt_time_from_double to check for lack
+ * of precision.
+ */
+static inline LttTime ltt_time_mul(LttTime t1, double d)
+{
+ LttTime res;
+
+ double time_double = ltt_time_to_double(t1);
+
+ time_double = time_double * d;
+
+ res = ltt_time_from_double(time_double);
+
+ return res;
+
+#if 0
+ /* What is that ? (Mathieu) */
+ if(f == 0.0){
+ res.tv_sec = 0;
+ res.tv_nsec = 0;
+ }else{
+ double d;
+ d = 1.0/f;
+ 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;
+#endif //0
+}
+
+
+/* Use ltt_time_to_double and ltt_time_from_double to check for lack
+ * of precision.
+ */
+static inline LttTime ltt_time_div(LttTime t1, double d)
+{
+ LttTime res;
+
+ double time_double = ltt_time_to_double(t1);
+
+ time_double = time_double / d;
+
+ res = ltt_time_from_double(time_double);
+
+ return res;
+
+
+#if 0
+ double sec;
+ LttTime res;
+
+ sec = t1.tv_sec / (double)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;
+#endif //0
+}
+
+static inline guint64 ltt_time_to_uint64(LttTime t1)
+{
+ return (guint64)t1.tv_sec*NANOSECONDS_PER_SECOND
+ + (guint64)t1.tv_nsec;
+}
+
+
+#define MAX_TV_SEC_TO_UINT64 0x3FFFFFFFFFFFFFFFULL
+static inline LttTime ltt_time_from_uint64(guint64 t1)
+{
+ /* We lose precision if tv_sec is > than (2^62)-1
+ * */
+ g_assert(t1 <= MAX_TV_SEC_TO_UINT64);
+ if(t1 > MAX_TV_SEC_TO_UINT64)
+ g_warning("Conversion from non precise uint64 to LttTime");
+ LttTime res;
+ res.tv_sec = t1/NANOSECONDS_PER_SECOND;
+ res.tv_nsec = (t1 - res.tv_sec*NANOSECONDS_PER_SECOND);
+ return res;
+}
+