program testp implicit double precision (a-h, o-z) external f c lower limit of integration a=0.0d+00 c upper limit of integration b=1.0d+00 do 10 l=1, 3000 call dqk15(f, a, b, result, abserr, resabs, resasc) call dqk21 (f, a, b, result, abserr, resabs, resasc) call dqk31 (f, a, b, result, abserr, resabs, resasc) call dqk41 (f, a, b, result, abserr, resabs, resasc) call dqk51 (f, a, b, result, abserr, resabs, resasc) call dqk61 (f, a, b, result, abserr, resabs, resasc) 10 continue stop end