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-rw-r--r--src/Math/Interpolation.hpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/Math/Interpolation.hpp b/src/Math/Interpolation.hpp
index 9eaf604..eaaa67d 100644
--- a/src/Math/Interpolation.hpp
+++ b/src/Math/Interpolation.hpp
@@ -1,6 +1,5 @@
 #pragma once
 
-#include <functional>
 #include "Common.hpp"
 #include "Grid.hpp"
 
@@ -8,6 +7,6 @@ namespace Math {
 
 float linear_interpolation(Vector<2> val, float left, float right, float pos);
 float bilinear_interpolation(Matrix<2, 2> val, GridCellBoundaries cell, Vector<2> pos);
-float trilinear_interpolation(Matrix<2, 2> val_front, Matrix<2, 2> val_back, CubeCellBoundaries cell, Vector<3> pos);
+float trilinear_interpolation(Matrix<2, 2> val_front, Matrix<2, 2> val_back, const CubeCellBoundaries& cell, Vector<3> pos);
 
 }
\ No newline at end of file