divergence       1349 modules/video/src/tvl1flow.cpp                 divergence(p11, p12, div_p1);
divergence       1350 modules/video/src/tvl1flow.cpp                 divergence(p21, p22, div_p2);
divergence       1351 modules/video/src/tvl1flow.cpp                 if (use_gamma) divergence(p31, p32, div_p3);