alpha_type       1399 modules/imgproc/src/imgwarp.cpp     typedef AT alpha_type;
alpha_type       1453 modules/imgproc/src/imgwarp.cpp     typedef AT alpha_type;
alpha_type       1485 modules/imgproc/src/imgwarp.cpp     typedef short alpha_type;
alpha_type       1514 modules/imgproc/src/imgwarp.cpp     typedef AT alpha_type;
alpha_type       1566 modules/imgproc/src/imgwarp.cpp     typedef AT alpha_type;
alpha_type       1587 modules/imgproc/src/imgwarp.cpp     typedef AT alpha_type;
alpha_type       1641 modules/imgproc/src/imgwarp.cpp     typedef AT alpha_type;