Fix zero luma corner case
tree66c625382e9742775085bc292cbe3a4905b81bf5
-rw-r--r-- 40 .gitignore
-rw-r--r-- 35147 COPYING.GPL3
-rw-r--r-- 72287 Doxyfile
-rw-r--r-- 5265 Makefile
drwxr-xr-x - avi
drwxr-xr-x - include
-rw-r--r-- 89914 manual.lyx
drwxr-xr-x - src