hexahedron_witherden_rule_test, a C code which calls hexahedron_witherden_rule(), which returns Witherden quadrature rules, with exactness up to total degree 11, over the interior of a hexahedron.
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hexahedron_witherden_rule, a C code which returns Witherden quadrature rules, with exactness up to total degree 11, over the interior of a hexahedron.