===== miser: x%x<R*R =====
npoints=10000
integ=0.60389 sigma=0.00052
exact=0.60344 error=0.00044 = 0.854 sigma

===== plain: x%x<R*R =====
npoints=10000
integ=0.61060 sigma=0.00238
exact=0.60344 error=0.00716 = 3.010 sigma

===== miser: difficult integral =====
npoints=500000
integ=1.39303 sigma=0.00303
exact=1.39320 error=0.00017 = 0.058 sigma

===== plain: difficult integral =====
npoints=500000
integ=1.40183 sigma=0.00529
exact=1.39320 error=0.00862 = 1.630 sigma