Comment # 4 on bug 54767 from madbiologist

(In reply to comment #3)
> r300 cannot pass some of the tests, because the hardware is too limited
> (some features cannot be implemented on r300), while other features may
> produce slightly different results due to precision issues. Some tests are
> simply unfixable.

Does that include atan(vec4, vec4) in fragment shader?  I have a Radeon 9800
Pro 128MB (R350).