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student    : David Wang
graded by  : quark
time       : Sun Oct 25 21:16:15 EST 1998
problem set: assignment 2
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hexcone:
	visible probs?: shifted
	bad pixels (%): 14.349
	ave error: 6.171
	time(ms): 24
teapot:
        visible probs?: thicker, pinholes
        bad pixels (%): 13.079
        ave error: 22.74
        time(ms): 180
cow:
        visible probs?: thicker, pinholes
        bad pixels (%): 21.080
        ave error: 18/049
        time(ms): 263
extra tri file: pairs of triangles

functionality (0-90): 85
extra credit (0-10): 7
total (0-100): 92
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notes: Speed is great, but you're still having problems in the output.
The renderer isn't computing what is inside and outside of a triangle
properly, but I can't figure out where.  Typically this would be a
problem of not using floor/ceiling but you do use those functions.
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