calcUpDownDist    174 modules/photo/src/fast_nlmeans_denoising_invoker_commons.hpp     static inline int calcUpDownDist(T a_up, T a_down, T b_up, T b_down)
calcUpDownDist    296 modules/photo/src/fast_nlmeans_denoising_invoker_commons.hpp     static inline int calcUpDownDist(T a_up, T a_down, T b_up, T b_down)