tetrahedron_witherden_rule_test, a Fortran90 code which calls tetrahedron_witherden_rule(), which returns a symmetric Witherden quadrature rule for the tetrahedron, with exactness up to total degree 10.
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tetrahedron_witherden_rule, a Fortran90 code which returns a symmetric Witherden quadrature rule for the tetrahedron, with exactness up to total degree 10.