acc,eps:          =  0.0001, 0.0001
exact             =  -4.000000000000
---------------
QAGS:
result            =  -4.000000000000
estimated error   =  0.000000000000
actual error      =  0.000000000000
ncalls            =  168
---------------
adapt24:
result            = -3.999999999987
estimated error   =  0.000000008234
actual error      =  0.000000000013
ncalls            =  944472