acc=1E-09 eps=0 tol=1E-09
open3cc: 1/sqrt(1-x*x)*2/π: 1.000000000000 ncalls=2169  ...test passed
open3df: 1/sqrt(1-x*x)*2/π: 1.000000000000 ncalls=2949  ...test passed
open4cc: 1/sqrt(1-x*x)*2/π: 1.000000000000 ncalls=3972  ...test passed
open4df: 1/sqrt(1-x*x)*2/π: 1.000000000000 ncalls=3092  ...test passed
open6cc: 1/sqrt(1-x*x)*2/π: 0.999999999860 ncalls=102  ...test passed
open6df: 1/sqrt(1-x*x)*2/π: 0.999999999629 ncalls=78  ...test passed
open8cc: 1/sqrt(1-x*x)*2/π: 0.999999999962 ncalls=56  ...test passed
open8df: 1/sqrt(1-x*x)*2/π: 1.000000000006 ncalls=72  ...test passed
acc=1E-09 eps=0 tol=1E-09
open3df: Log(x)/sqrt(x): -4.000000000000 ncalls=21249  ...test passed
open4df: Log(x)/sqrt(x): -4.000000000000 ncalls=26496  ...test passed
open6df: Log(x)/sqrt(x): -3.999999999891 ncalls=930  ...test passed
open8df: Log(x)/sqrt(x): -3.999999999993 ncalls=832  ...test passed
scipy  : log(x)/sqrt(x): -3.9999999999999827 ncalls=315