**lagrange_interp_2d_test**,
a C++ code which
calls lagrange_interp_2d(), which
defines and evaluates the Lagrange polynomial p(x,y)
which interpolates a set of data depending on a 2D argument
that was evaluated on a product grid,
so that p(x(i),y(j)) = z(i,j).

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

lagrange_interp_2d, a C++ code which defines and evaluates the Lagrange polynomial p(x,y) which interpolates a set of data depending on a 2D argument that was evaluated on a product grid, so that p(x(i),y(j)) = z(i,j).

- lagrange_interp_2d_test.cpp, a sample calling program.
- lagrange_interp_2d_test.sh, runs all the tests.
- lagrange_interp_2d_test.txt, the output file.