VEGAS RESULT:	neval 10000	fail 0
VEGAS RESULT:	0.66481073 +- 0.00049218	p = 0.089
SUAVE RESULT:	nregions 7	neval 7000	fail 0
SUAVE RESULT:	0.66444529 +- 0.00056577	p = 0.210
DIVONNE RESULT:	nregions 14	neval 3052	fail 0
DIVONNE RESULT:	0.66461951 +- 0.00063503	p = 0.000
CUHRE RESULT:	nregions 2	neval 381	fail 0
CUHRE RESULT:	0.66466968 +- 0.00000000	p = 0.000