nag_quad_1d_fin_smooth (d01bdc) Example Program Results
(User-supplied callback f, first invocation.)

a      - lower limit of integration =     0.0000
b      - upper limit of integration =     1.0000
epsabs - absolute accuracy requested =  0.00e+00
epsrel - relative accuracy requested =  1.00e-04

result - approximation to the integral =  -0.03183
abserr - estimate to the absolute error =  1.34e-11