if x < -0.05989967f0
rm
if -0.05989967f0 < x < 0.2502016f0
if 0.2502016f0 < x
Original test:
(lambda ((x default)) #:name "NMSE section 3.11" (/ (exp x) (- (exp x) 1)) #:target (/ 1 (- 1 (exp (- x)))))