lagrange_interp_1d_test, a FORTRAN77 code which calls lagrange_interp_1d(), which defines and evaluates the Lagrange polynomial p(x) which interpolates a set of data, so that p(x(i)) = y(i).
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lagrange_interp_1d, a FORTRAN77 code which defines and evaluates the Lagrange polynomial p(x) which interpolates a set of data, so that p(x(i)) = y(i).