ccn_rule_test, a FORTRAN77 code which calls ccn_rule(), which generates a quadrature rule based on a nested set of points inspired by the Clenshaw Curtis quadrature rule.
The computer code and data files made available on this web page are distributed under the GNU LGPL license.
ccn_rule, a FORTRAN77 code which generates a quadrature rule based on a nested set of points inspired by the Clenshaw Curtis quadrature rule.
CCN_09 is a nested Clenshaw Curtis rule of order 9, which will exactly match the standard Clenshaw Curtis rule.