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-rwxr-xr-xsrc/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c
index 528ef45fa..3ff3d9922 100755
--- a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c
+++ b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c
@@ -40,6 +40,7 @@
*/
#include "attitude_estimator_ekf_params.h"
+#include <math.h>
/* Extended Kalman Filter covariances */