**triangle_symq_rule_test**,
a C++ code which
calls triangle_symq_rule(), which
returns symmetric quadrature rules,
with exactness up to total degree 50,
over the interior of an arbitrary triangle in 2D,
by Hong Xiao and Zydrunas Gimbutas.

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

triangle_symq_rule, a C++ code which returns efficient symmetric quadrature rules, with exactness up to total degree 50, over the interior of an arbitrary triangle in 2D, by Hong Xiao and Zydrunas Gimbutas.

- triangle_symq_rule_test.cpp, a sample calling program.
- triangle_symq_rule_test.sh, runs all the tests.
- triangle_symq_rule_test.txt, the output file.

EQUI08 is a degree 8 rule in an equilateral triangle.

- equi08.txt, the node coordinates and weights.
- equi08_commands.txt, gnuplot commands to create a plot.
- equi08_nodes.txt, the node coordinates.
- equi08_vertices.txt, the triangle vertices.
- equi08.png, the PNG image of the point locations.

SIMP08 is a degree 8 rule in a simplex.

- simp08.txt, the node coordinates and weights.
- simp08_commands.txt, gnuplot commands to create a plot.
- simp08_nodes.txt, the node coordinates.
- simp08_vertices.txt, the triangle vertices.
- simp08.png, the PNG image of the point locations.

USER08 is a degree 8 rule in a user specified triangle at (1,0), (4,4), (0,3).

- user08.txt, the node coordinates and weights.
- user08_commands.txt, gnuplot commands to create a plot.
- user08_nodes.txt, the node coordinates.
- user08_vertices.txt, the triangle vertices.
- simp08.png, the PNG image of the point locations.