Sept. 4, 2010

p. 127: The test cases for `green-function`

have wrong
"right answers":

(check-expect (green-function 10 20 30 40 50)should be`0`

) (check-expect (green-function 1000 100 250 125 0)`0`

)

(check-expect (green-function 10 20 30 40 50)The definition of the function is correct.`40`

) (check-expect (green-function 1000 100 250 125 0)`125`

)