----------------
##3       #:2   <== 1
##3       #:2   ==> 1.1
@ Absolute error = 1.0000000000e-1, Relative error = 1.0000000000e-1
##3       #:4   <== 3
##3       #:4   ==> 3.001
@ Absolute error = 1.0000000000e-3, Relative error = 3.3333333333e-4
----------------
##5       #:2   <== 1.5e9
##5       #:2   ==> 1.50001e9
@ Absolute error = 1.0000000000e+4, Relative error = 6.6666666667e-6
----------------
##9       #:3   <== -2
##9       #:3   ==> -1.99
@ Absolute error = 1.0000000000e-2, Relative error = 5.0251256281e-3
##9       #:5   <== -4
##9       #:5   ==> -3.9999
@ Absolute error = 1.0000000000e-4, Relative error = 2.5000625016e-5
----------------
##17      #:2   <== 3+4i
##17      #:2   ==> 3.01+4.002i
@ Absolute error = 1.0198039027e-2, Relative error = 2.0396078054e-3

+++  File "old" differs from file "new"
