








if b/2 < -5.149274995892533e+86if -5.149274995892533e+86 < b/2 < 9.946391916507581e-83rm if 9.946391916507581e-83 < b/2 Original test:
(lambda ((a default) (b/2 default) (c default))
#:name "NMSE problem 3.2.1, positive"
(/ (+ (- b/2) (sqrt (- (sqr b/2) (* a c)))) a))