triangle_wandzura_rule, a C++ code which can return any of six Wandzura rules for high order quadrature over the interior of a triangle in 2D.
There are six rules, which have polynomial degree of exactness of 5, 10, 15, 20, 25, and 30.
The computer code and data files described and made available on this web page are distributed under the MIT license
triangle_wandzura_rule is available in a C++ version and a FORTRAN90 version and a MATLAB version
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