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-rw-r--r--facetracknoir/rotation.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/facetracknoir/rotation.h b/facetracknoir/rotation.h
index 967d6661..9dcea285 100644
--- a/facetracknoir/rotation.h
+++ b/facetracknoir/rotation.h
@@ -20,7 +20,7 @@ public:
// conversions
void fromEuler(double yaw, double pitch, double roll);
- void toEuler(double& yaw, double& pitch, double& roll);
+ void toEuler(volatile double& yaw, volatile double& pitch, volatile double& roll);
protected:
double a,b,c,d; // quaternion coefficients