X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Ftiming%2Ftimestamp.hxx;h=f195dc3740fbdedd4593b2d6c9ff6f574a648494;hb=b47d1ad5fd8ed111cae99c1f65f5bb65a5371501;hp=880d5dccd4baf080a85698e60e1afed74ac692bd;hpb=006f90997a8eef6704de2511e38fcc786672308d;p=simgear.git

diff --git a/simgear/timing/timestamp.hxx b/simgear/timing/timestamp.hxx
index 880d5dcc..f195dc37 100644
--- a/simgear/timing/timestamp.hxx
+++ b/simgear/timing/timestamp.hxx
@@ -44,7 +44,7 @@
  * level of accuracy).
  *
  * The SGTimeStamp is useful for tracking the elapsed time of various
- * events in your program. You can also use it to keep constistant
+ * events in your program. You can also use it to keep consistent
  * motion across varying frame rates.
  *
  * Note SGTimestamp does not deliver the time of day. The content of this
@@ -195,6 +195,10 @@ public:
     static SGTimeStamp now()
     { SGTimeStamp ts; ts.stamp(); return ts; }
 
+    /**
+     * elapsed time since the stamp was taken, in msec
+     */
+    int elapsedMSec() const;
 private:
     SGTimeStamp(sec_type sec, nsec_type nsec)
     { setTime(sec, nsec); }