comma.osl:29: warning: Comma operator inside parenthesis is probably an error -- it is not a vector/color.
Compiled comma.osl -> comma.oso
for loop: amp = 0.03125, freq = 16, sum = 0
Lo = 0, hi = 1   (expect: 0,1)
z = 5  (expect: 5)
i = 1, j = 4   (expect: 1,4 NOT 3,6)

