----------------
##1       <== 1  1
##1       ==> 1  1.1

##1       #:2   <== 1
##1       #:2   ==> 1.1
@ Absolute error = 1.0000000000e-1, Relative error = 1.0000000000e-1
----------------
##2       <== 2  4
          ==>

----------------
##3       <== 3  9
##2       ==> 3  9.9

##3       #:2   <== 9
##2       #:2   ==> 9.9
@ Absolute error = 9.0000000000e-1, Relative error = 1.0000000000e-1
----------------
##4       <== 4  16
          ==>

----------------
##5       <== 5  25.01<<*>>
##3       ==> 5  25.25<<*>>

##5       #:2   <== 25.01
##3       #:2   ==> 25.25
@ Absolute error = 2.4000000000e-1, Relative error = 9.5961615354e-3

+++  File "file2" differs from file "file4"
