filter/accela: actually fix nonlinearity formula

1 files changed, 1 insertions, 1 deletions

diff --git a/filter-accela/ftnoir_filter_accela.cpp b/filter-accela/ftnoir_filter_accela.cpp
index 09472f35..439638eb 100644
--- a/filter-accela/ftnoir_filter_accela.cpp
+++ b/filter-accela/ftnoir_filter_accela.cpp
@@ -95,7 +95,7 @@ void FTNoIR_Filter::filter(const double* input, double *output)
         const double vec_ = std::max(0., fabs(vec) - dz);
         const double thres = i >= 3 ? rot_t : trans_t;
         const double out_ = vec_ / thres;
-        const double out = i >= 3 && std::fabs(rot_nl - 1) > 5e-3
+        const double out = i >= 3 && std::fabs(rot_nl - 1) > 5e-3 && vec_ < s.max_rot_nl
                                ? (std::pow(out_/s.max_rot_nl, rot_nl) * s.max_rot_nl)
                                : out_;
         const double val = m.getValue(float(out));