Use a constexpr integer to define constant value

diff --git a/source/interpolate/spline.h b/source/interpolate/spline.h
index 1d518ebc990dd24e1c7baf2d9ebf88e79ff2bfb8..86abd56db2c88fa980c6080e2d4ce422b876531a 100644 (file)
--- a/source/interpolate/spline.h
+++ b/source/interpolate/spline.h
@@ -61,7 +61,7 @@ public:
        };
 
 private:
-       enum { STRIDE = sizeof(Segment)-sizeof(Knot) };
+       static constexpr std::size_t STRIDE = sizeof(Segment)-sizeof(Knot);
 
        unsigned short n_segments = 0;
        unsigned short capacity = 0;