Eliminated a number of minor warnings (all innocuous)
Bug fixes in Ashikhmin-Shirley and code cleanup
Added ashik2 type for anisotropic Ashikhmin-Shirley BRDF model
This form allows you to request diffs between any two revisions of this file. For each of the two "sides" of the diff, select a symbolic revision name using the selection box, or choose 'Use Text Field' and enter a numeric revision.