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-rw-r--r--Build/source/utils/asymptote/glrender.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/utils/asymptote/glrender.cc b/Build/source/utils/asymptote/glrender.cc
index 5effe0f5f57..9a0a78486b8 100644
--- a/Build/source/utils/asymptote/glrender.cc
+++ b/Build/source/utils/asymptote/glrender.cc
@@ -612,7 +612,7 @@ void nextframe(int)
endwait(readySignal,readyLock);
double framedelay=getSetting<double>("framedelay");
if(framedelay > 0)
- usleep(1000.0*framedelay);
+ usleep((unsigned int) (1000.0*framedelay+0.5));
if(Step) Animate=false;
}