lib/realtime: fix clock to return mostly Float values

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/realtime.nit b/lib/realtime.nit
index 39c5a27..6e312ef 100644 (file)
--- a/lib/realtime.nit
+++ b/lib/realtime.nit
@@ -121,14 +121,17 @@ end
 
 # Keeps track of real time
 class Clock
-       # Time at instanciation
+
+       # TODO use less mallocs
+
+       # Time at creation
        protected var time_at_beginning = new Timespec.monotonic_now
 
        # Time at last time a lapse method was called
        protected var time_at_last_lapse = new Timespec.monotonic_now
 
        # Smallest time frame reported by clock
-       fun resolution : Timespec `{
+       fun resolution: Timespec `{
                struct timespec* tv = malloc( sizeof(struct timespec) );
 #ifdef __MACH__
                clock_serv_t cclock;
@@ -145,19 +148,27 @@ class Clock
                return tv;
        `}
 
-       # Return timelapse since instanciation of this instance
-       fun total : Timespec
+       # Seconds since the creation of this instance
+       fun total: Float
        do
-               return new Timespec.monotonic_now - time_at_beginning
+               var now = new Timespec.monotonic_now
+               var diff = now - time_at_beginning
+               var r = diff.to_f
+               diff.free
+               now.free
+               return r
        end
 
-       # Return timelapse since last call to lapse
-       fun lapse : Timespec
+       # Seconds since the last call to `lapse`
+       fun lapse: Float
        do
                var nt = new Timespec.monotonic_now
                var dt = nt - time_at_last_lapse
+               var r = dt.to_f
+               dt.free
+               time_at_last_lapse.free
                time_at_last_lapse = nt
-               return dt
+               return r
        end
 
        # Seconds since the last call to `lapse`, without resetting the lapse counter