Add const TimeDelta zero

diff --git a/source/time/units.cpp b/source/time/units.cpp
index e37987b0f0488aa15f8cff51f37df446b3bd35ce..d435d2e7b9642a63eb0f0af97421f5bcf64747ab 100644 (file)
--- a/source/time/units.cpp
+++ b/source/time/units.cpp
@@ -9,6 +9,7 @@ namespace Msp {
 namespace Time {
 
 // Constants to be used in creation of TimeDeltas
+const TimeDelta zero(0);
 const TimeDelta usec(1);
 const TimeDelta msec(1000);
 const TimeDelta sec(1000000);

diff --git a/source/time/units.h b/source/time/units.h
index 6417782c3c1ee211197eac1346666c889e27d47d..a157c291d80a70f71a4b09bdde35a6a076fc1e41 100644 (file)
--- a/source/time/units.h
+++ b/source/time/units.h
@@ -11,6 +11,7 @@ Distributed under the LGPL
 namespace Msp {
 namespace Time {
 
+extern const TimeDelta zero;
 extern const TimeDelta usec;
 extern const TimeDelta msec;
 extern const TimeDelta sec;