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-rw-r--r--ftnoir_filter_kalman/kalman.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/ftnoir_filter_kalman/kalman.cpp b/ftnoir_filter_kalman/kalman.cpp
index f0b9e261..39a08703 100644
--- a/ftnoir_filter_kalman/kalman.cpp
+++ b/ftnoir_filter_kalman/kalman.cpp
@@ -9,6 +9,8 @@
#include <QDebug>
#include <cmath>
+constexpr double settings::mult_noise_stddev;
+
FTNoIR_Filter::FTNoIR_Filter() {
reset();
prev_slider_pos = s.noise_stddev_slider;