Squank (Algorithm C379) CACM December, 1972 Hallet, P. Mund, E. numerical integration, integration rule, adaptive integration, automatic integration, Simpson's rule, numerical quadrature, quadrature rule, adaptive quadrature, automatic quadrature, round-off error control 5.16 CA721216 JB January 27, 1978 9:01 AM 2239 5 2239 2239 5 2239 2239 5 2239