acc=1E-06 eps=0 tol=1E-06
open4  : 1/sqrt(x): 2.000000 ncalls=98308  ...test passed
open4cc: 1/sqrt(x): 2.000000 ncalls=240  ...test passed
open8cc: 1/sqrt(x): 2.000000 ncalls=24  ...test passed
acc=1E-06 eps=0 tol=1E-06
open4  : Log(x)/sqrt(x): -4.000000 ncalls=996984  ...test passed
open4cc: Log(x)/sqrt(x): -4.000000 ncalls=1668  ...test passed
open8cc: Log(x)/sqrt(x): -4.000000 ncalls=312  ...test passed